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You are here: Home / Products / Thermostatic control / Thermostatic heads and radiator valves / Thermostatic Radiator Valves

V-exact II

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Thermostatic valve body with stepless precision presetting V-exact II thermostatic valve bodies are used in two-pipe warm water pump heating systems with normal to high temperature spread. The integrated stepless precision presetting makes precise hydraulic balancing possible with the aim of providing all heat consumers with hot water according to their heat requirements. The valve has a large flow range and is characterized by an optimized noise performance and very low flow tolerances.

Features & Benefits

Optimised noise behaviour

Through specially designed setting

High flow range

For various applications

Double O-ring seal

For durable and maintenance free operation

Valve body in gunmetal

Corrosion-resistant and safe

Technical Information

Technical description

Applications:

Heating and cooling systems.

Function:

Control
Stepless presetting
Shut-off

Dimensions:

DN 10-20

Pressure class:

PN 10

Temperature:

Max. working temperature: 120°C, with protection cap or actuator 100°C, with press connection 110°C.
Min. working temperature: -10°C.

Materials:

Valve body: Corrosion resistant Gunmetal.
O-rings: EPDM rubber
Valve disc: EPDM rubber
Return spring: Stainless steel
Valve insert: Brass, PPS (polyphenylsulphide)
The complete thermostatic insert can be replaced using the HEIMEIER fitting tool without draining the system.
Spindle: Niro-steel spindle with double O-ring sealing.

Surface treatment:

Valve body and fittings are nickel-plated.

Marking:

THE, country code, flow direction arrow, DN and KEYMARK-Designation. II+ - Designation.
White protection cap.

Standards:

V-exact II valves meet the following requirements:
– KEYMARK certified and tested to DIN EN 215.
– the “highly expanded version” and the “standard version” of the specification FW 507 drawn up by the Arbeitsgemeinschaft Fernwärme (AGFW) (Working Group for District Heating).

Pipe connection:

The female-threaded version is designed for connection to threaded pipe, or in conjunction with compression fittings, to copper precision steel or multi-layer pipe (only DN 15). The male-threaded version, in conjunction with the appropriate compression fittings, permits connection to plastic pipe. Versions with Viega press connection (15 mm) with SC-Contur are suitable for copper, Viega Sanpress stainless-steel, and Prestabo steel pipe.

Connection to thermostatic head and actuator:

HEIMEIER M30x1,5

Articles

Angle
SHOW HIDE Download

V-exact II

V-exact II thermostatic valve bodies are used in two-pipe warm water pump heating systems with normal to high temperature spread. The integrated stepless precision presetting makes precise hydraulic balancing possible with the aim of providing all heat consumers with hot water according to their heat requirements. The valve has a large flow range and is characterized by an optimized noise performance and very low flow tolerances.

Angle

DN	D	d2	l3	l4	l5	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	23,5	23,5	0,025 – 0,670	0,86	4024052838318	3711-01.000
15	Rp1/2	R1/2	29	58	27	23,5	0,025 – 0,670	0,86	4024052838417	3711-02.000
20	Rp3/4	R3/4	34	66	29	21,5	0,025 – 0,670	0,86	4024052838516	3711-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle

DN	D	d2	l3	l4	l5	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	23,5	23,5	0,025 – 0,670	0,86	4024052838318	3711-01.000
15	Rp1/2	R1/2	29	58	27	23,5	0,025 – 0,670	0,86	4024052838417	3711-02.000
20	Rp3/4	R3/4	34	66	29	21,5	0,025 – 0,670	0,86	4024052838516	3711-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle
with reduced lengths. Brass. Not suitable for compression fitting for multi layer pipes. SHOW HIDE Download

V-exact II

Angle

with reduced lengths.
Brass. Not suitable for compression fitting for multi layer pipes.

DN	D	d2	l3	l4	l5	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	24	49	20	24	0,025 - 0,670	0,86	4024052923014	3451-01.000
15	Rp1/2	R1/2	26	53	23	23,5	0,025 - 0,670	0,86	4024052922918	3451-02.000
20	Rp3/4	R3/4	30	63	26	21,5	0,025 - 0,670	0,86	4024052927814	3451-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle

with reduced lengths.
Brass. Not suitable for compression fitting for multi layer pipes.

DN	D	d2	l3	l4	l5	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	24	49	20	24	0,025 - 0,670	0,86	4024052923014	3451-01.000
15	Rp1/2	R1/2	26	53	23	23,5	0,025 - 0,670	0,86	4024052922918	3451-02.000
20	Rp3/4	R3/4	30	63	26	21,5	0,025 - 0,670	0,86	4024052927814	3451-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle
with Viega press connection 15 mm SHOW HIDE Download

V-exact II

Angle

with Viega press connection 15 mm

DN	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	R1/2	29	58	23,5	0,025 – 0,670	0,86	4024052840014	3717-15.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle

with Viega press connection 15 mm

DN	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	R1/2	29	58	23,5	0,025 – 0,670	0,86	4024052840014	3717-15.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle
with male thread G 3/4 SHOW HIDE Download

V-exact II

Angle

with male thread G 3/4

DN	d1	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	21,5	0,025 – 0,670	0,86	4024052840212	3719-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Angle

with male thread G 3/4

DN	d1	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	21,5	0,025 – 0,670	0,86	4024052840212	3719-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight
SHOW HIDE Download

V-exact II

Straight

DN	D	d2	l1	l2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	59	85	21,5	0,025 – 0,670	0,86	4024052838615	3712-01.000
15	Rp1/2	R1/2	66	95	21,5	0,025 – 0,670	0,86	4024052838714	3712-02.000
20	Rp3/4	R3/4	74	106	23,5	0,025 – 0,670	0,86	4024052838912	3712-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight

DN	D	d2	l1	l2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	59	85	21,5	0,025 – 0,670	0,86	4024052838615	3712-01.000
15	Rp1/2	R1/2	66	95	21,5	0,025 – 0,670	0,86	4024052838714	3712-02.000
20	Rp3/4	R3/4	74	106	23,5	0,025 – 0,670	0,86	4024052838912	3712-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight
with reduced lengths. Brass. Not suitable for compression fitting for multi layer pipes. SHOW HIDE Download

V-exact II

Straight

with reduced lengths.
Brass. Not suitable for compression fitting for multi layer pipes.

DN	D	d2	l1	l2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	50	76	22,5	0,025 - 0,670	0,86	4024052926817	3452-01.000
15	Rp1/2	R1/2	55	83	22,5	0,025 - 0,670	0,86	4024052926916	3452-02.000
20	Rp3/4	R3/4	65	97	22,5	0,025 - 0,670	0,86	4024052927913	3452-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight

with reduced lengths.
Brass. Not suitable for compression fitting for multi layer pipes.

DN	D	d2	l1	l2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	50	76	22,5	0,025 - 0,670	0,86	4024052926817	3452-01.000
15	Rp1/2	R1/2	55	83	22,5	0,025 - 0,670	0,86	4024052926916	3452-02.000
20	Rp3/4	R3/4	65	97	22,5	0,025 - 0,670	0,86	4024052927913	3452-03.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight
with Viega press connection 15 mm SHOW HIDE Download

V-exact II

Straight

with Viega press connection 15 mm

DN	d2	l1	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	R1/2	66	21,5	0,025 – 0,670	0,86	4024052840113	3718-15.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight

with Viega press connection 15 mm

DN	d2	l1	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	R1/2	66	21,5	0,025 – 0,670	0,86	4024052840113	3718-15.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight
with male thread G3/4 SHOW HIDE Download

V-exact II

Straight

with male thread G3/4

DN	d1	d2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	21,5	0,025 – 0,670	0,86	4024052840311	3720-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight

with male thread G3/4

DN	d1	d2	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	21,5	0,025 – 0,670	0,86	4024052840311	3720-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight
with bended nipple SHOW HIDE Download

V-exact II

Straight

with bended nipple

DN	D	d2	l1	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	Rp1/2	R1/2	66	21,5	0,025 – 0,670	0,86	4024052840717	3756-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Straight

with bended nipple

DN	D	d2	l1	H2	Kv p-band max. 2 K	Kvs	EAN	Article No
15	Rp1/2	R1/2	66	21,5	0,025 – 0,670	0,86	4024052840717	3756-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Axial
SHOW HIDE Download

V-exact II

Axial

DN	D	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	31,5	0,025 – 0,670	0,86	4024052838011	3710-01.000
15	Rp1/2	R1/2	29	58	31,5	0,025 – 0,670	0,86	4024052838110	3710-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Axial

DN	D	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	31,5	0,025 – 0,670	0,86	4024052838011	3710-01.000
15	Rp1/2	R1/2	29	58	31,5	0,025 – 0,670	0,86	4024052838110	3710-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Axial
with male thread G3/4 SHOW HIDE Download

V-exact II

Axial

with male thread G3/4

DN	d1	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	31,5	0,025 – 0,670	0,86	4024052840410	3730-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Axial

with male thread G3/4

DN	d1	d2	l3	l4	H1	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	31,5	0,025 – 0,670	0,86	4024052840410	3730-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle
Connection to radiator left SHOW HIDE Download

V-exact II

Double angle

Connection to radiator left

DN	D	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	0,025 – 0,670	0,86	4024052839018	3713-01.000
15	Rp1/2	R1/2	29	58	0,025 – 0,670	0,86	4024052839117	3713-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle

Connection to radiator left

DN	D	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	0,025 – 0,670	0,86	4024052839018	3713-01.000
15	Rp1/2	R1/2	29	58	0,025 – 0,670	0,86	4024052839117	3713-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle
with male thread G 3/4Connection to radiator left SHOW HIDE Download

V-exact II

Double angle

with male thread G 3/4
Connection to radiator left

DN	d1	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	0,025 – 0,670	0,86	4024052840519	3733-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle

with male thread G 3/4
Connection to radiator left

DN	d1	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	0,025 – 0,670	0,86	4024052840519	3733-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle
Connection to radiator right SHOW HIDE Download

V-exact II

Double angle

Connection to radiator right

DN	D	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	0,025 – 0,670	0,86	4024052839315	3714-01.000
15	Rp1/2	R1/2	29	58	0,025 – 0,670	0,86	4024052839414	3714-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle

Connection to radiator right

DN	D	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
10	Rp3/8	R3/8	26	52	0,025 – 0,670	0,86	4024052839315	3714-01.000
15	Rp1/2	R1/2	29	58	0,025 – 0,670	0,86	4024052839414	3714-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle
with male thread G 3/4Connection to radiator right SHOW HIDE Download

V-exact II

Double angle

with male thread G 3/4
Connection to radiator right

DN	d1	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	0,025 – 0,670	0,86	4024052840618	3734-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Double angle

with male thread G 3/4
Connection to radiator right

DN	d1	d2	l3	l4	Kv p-band max. 2 K	Kvs	EAN	Article No
15	G3/4	R1/2	29	58	0,025 – 0,670	0,86	4024052840618	3734-02.000

*) SW1: DN 10 = 22 mm, DN 15 = 27 mm, DN 20 = 32 mm
SW2: DN 10 = 27 mm, DN 15 = 30 mm, DN 20 = 37 mm

Values H1 and H2 are at the bearing surface thermostatic head or actuator.

Kvs = m³/h at a pressure drop of 1 bar and fully open valve.

Kv [xp] max. 2 K = m³/h at a pressure drop of 1 bar with thermostatic head.

Accessories

Setting key
For V-exact II from 2012, Calypso exact, Calypso TRV-3 and Vekolux.Color grey. SHOW HIDE Download

V-exact II

Setting key

For V-exact II from 2012, Calypso exact, Calypso TRV-3 and Vekolux.
Color grey.

EAN	Article No
4024052035823	3670-01.142

Setting key

For V-exact II from 2012, Calypso exact, Calypso TRV-3 and Vekolux.
Color grey.

EAN	Article No
4024052035823	3670-01.142

Compression fitting
for copper or precision steel pipe according to DIN EN 1057/10305-1/2.Female thread connection Rp3/8 – Rp3/4.Metal-to-metal joint. Brass nickel-plated.Support sleeves should be used for a pipe wall thickness of 0.8 – 1 mm. Follow the specifications of the pipe manufacturer. SHOW HIDE Download

V-exact II

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
Female thread connection Rp3/8 – Rp3/4.
Metal-to-metal joint.
Brass nickel-plated.
Support sleeves should be used for a pipe wall thickness of 0.8 – 1 mm. Follow the specifications of the pipe manufacturer.

Ø Pipe	DN	EAN	Article No
12	10 (3/8")	4024052174614	2201-12.351
14	15 (1/2")	4024052174713	2201-14.351
15	15 (1/2")	4024052175017	2201-15.351
16	15 (1/2")	4024052175116	2201-16.351
18	20 (3/4")	4024052175215	2201-18.351

Compression fitting

Ø Pipe	DN	EAN	Article No
12	10 (3/8")	4024052174614	2201-12.351
14	15 (1/2")	4024052174713	2201-14.351
15	15 (1/2")	4024052175017	2201-15.351
16	15 (1/2")	4024052175116	2201-16.351
18	20 (3/4")	4024052175215	2201-18.351

Support sleeve
for copper or precision steel pipe with a 1 mm wall thickness. Brass. SHOW HIDE Download

V-exact II

Support sleeve

for copper or precision steel pipe with a 1 mm wall thickness.
Brass.

Ø Pipe	L	EAN	Article No
12	25,0	4024052127016	1300-12.170
15	26,0	4024052127917	1300-15.170
16	26,3	4024052128419	1300-16.170
18	26,8	4024052128815	1300-18.170

Support sleeve

for copper or precision steel pipe with a 1 mm wall thickness.
Brass.

Ø Pipe	L	EAN	Article No
12	25,0	4024052127016	1300-12.170
15	26,0	4024052127917	1300-15.170
16	26,3	4024052128419	1300-16.170
18	26,8	4024052128815	1300-18.170

Compression fitting
for Alu/PEX multi-layer pipe according to DIN 16836. Female thread connection Rp1/2.Nickel-plated brass. SHOW HIDE Download

V-exact II

Compression fitting

for Alu/PEX multi-layer pipe according to DIN 16836.
Female thread connection Rp1/2.
Nickel-plated brass.

Ø Pipe	EAN	Article No
16 x 2	4024052138616	1335-16.351

Compression fitting

for Alu/PEX multi-layer pipe according to DIN 16836.
Female thread connection Rp1/2.
Nickel-plated brass.

Ø Pipe	EAN	Article No
16 x 2	4024052138616	1335-16.351

Double connection fitting
For clamping plastic, copper, precision steel or multi-layer pipes.Nickel-plated brass. SHOW HIDE Download

V-exact II

Double connection fitting

For clamping plastic, copper, precision steel or multi-layer pipes.
Nickel-plated brass.

	L	EAN	Article No
G3/4 x R1/2	26	4024052308415	1321-12.083

Double connection fitting

For clamping plastic, copper, precision steel or multi-layer pipes.
Nickel-plated brass.

	L	EAN	Article No
G3/4 x R1/2	26	4024052308415	1321-12.083

Compression fitting
for copper or precision steel pipe according to DIN EN 1057/10305-1/2. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Metal-to-metal joint. Nickel-plated brass. With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice. SHOW HIDE Download

V-exact II

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Metal-to-metal joint.
Nickel-plated brass.
With a pipe wall thickness of 0.8-1 mm insert supporting sleeves. Heed pipe manufacturer’s technical advice.

Ø Pipe	EAN	Article No
12	4024052214211	3831-12.351
14	4024052214310	3831-14.351
15	4024052214617	3831-15.351
16	4024052214914	3831-16.351
18	4024052215218	3831-18.351

Compression fitting

Ø Pipe	EAN	Article No
12	4024052214211	3831-12.351
14	4024052214310	3831-14.351
15	4024052214617	3831-15.351
16	4024052214914	3831-16.351
18	4024052215218	3831-18.351

Compression fitting
for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Soft sealed, max. 95°C. Nickel-plated brass. SHOW HIDE Download

V-exact II

Compression fitting

for copper or precision steel pipe according to DIN EN 1057/10305-1/2 and stainless steel pipe.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Soft sealed, max. 95°C.
Nickel-plated brass.

Ø Pipe	EAN	Article No
15	4024052515851	1313-15.351
18	4024052516056	1313-18.351

Compression fitting

Ø Pipe	EAN	Article No
15	4024052515851	1313-15.351
18	4024052516056	1313-18.351

Compression fitting
for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969. Connection male thread G3/4 according to DIN EN 16313 (Eurocone). Nickel-plated brass. SHOW HIDE Download

V-exact II

Compression fitting

for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe	EAN	Article No
12x1,1	4024052136018	1315-12.351
14x2	4024052134618	1311-14.351
16x1,5	4024052136117	1315-16.351
16x2	4024052134816	1311-16.351
17x2	4024052134915	1311-17.351
18x2	4024052135110	1311-18.351
20x2	4024052135318	1311-20.351

Compression fitting

for plastic pipe according to DIN 4726, ISO 10508. PE-X: DIN 16892/16893, EN ISO 15875; PB: DIN 16968/16969.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe	EAN	Article No
12x1,1	4024052136018	1315-12.351
14x2	4024052134618	1311-14.351
16x1,5	4024052136117	1315-16.351
16x2	4024052134816	1311-16.351
17x2	4024052134915	1311-17.351
18x2	4024052135110	1311-18.351
20x2	4024052135318	1311-20.351

Compression fitting
for Alu/PEX multi-layer pipe according to DIN 16836. Connection male thread G3/4 according to DIN EN 16313 (Eurocone).Nickel-plated brass. SHOW HIDE Download

V-exact II

Compression fitting

for Alu/PEX multi-layer pipe according to DIN 16836.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe	EAN	Article No
16x2	4024052137312	1331-16.351
18x2	4024052137411	1331-18.351

Compression fitting

for Alu/PEX multi-layer pipe according to DIN 16836.
Connection male thread G3/4 according to DIN EN 16313 (Eurocone).
Nickel-plated brass.

Ø Pipe	EAN	Article No
16x2	4024052137312	1331-16.351
18x2	4024052137411	1331-18.351

Fitting tool
complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20). SHOW HIDE Download

V-exact II

Fitting tool

complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20).

	EAN	Article No
Fitting tool	4024052298914	9721-00.000

Other accessories, see catalogue leaflet "Accessories and spare parts for thermostatic radiator valves".

Fitting tool

complete with case, box spanner and replacement seals, for replacing thermostatic inserts without draining off the heating system (for DN 10 to DN 20).

	EAN	Article No
Fitting tool	4024052298914	9721-00.000

Other accessories, see catalogue leaflet "Accessories and spare parts for thermostatic radiator valves".

Images

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Documentation

		Name	Document Type	Download All
		V-exact_II_EN_low.pdf	Technical Specifications
		Accessories_spare_parts_TRVs_EN_lq.pdf	Related Products
		3700-00-480 V-exact II_low.pdf	Installation Instructions
		V-exact-II-Oberteil-Insert.pdf	Installation Instructions
		Info_V-exakt_vs_V-exact_insert.pdf	Installation Instructions
		Conformity_Declaration_V_exact_II.pdf	Legal Documents

Drawings (2D/3D)

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V-exact II

Optimised noise behaviour

High flow range

Double O-ring seal

Valve body in gunmetal

Technical description

Applications:

Function:

Dimensions:

Pressure class:

Temperature:

Materials:

Surface treatment:

Marking:

Standards:

Pipe connection:

Connection to thermostatic head and actuator:

Angle

Angle

Angle

Angle

Straight

Straight

Straight

Straight

Straight

Axial

Axial

Double angle

Double angle

Double angle

Double angle

Setting key

Compression fitting

Support sleeve

Compression fitting

Double connection fitting

Compression fitting

Compression fitting

Compression fitting

Compression fitting

Fitting tool

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