Features & Benefits
Pressure relief cone
Ensures accurate differential pressure control.
Adjustable set-point and shut-off function
Delivers desired differential pressure ensuring accurate balancing. Shut-off function makes maintenance easy and straightforward.
Measuring point with drain option
Simplifies the balancing procedure, and increases its accuracy.
Technical Information
Application:
Heating (not steam) and cooling systems.
Functions:
Differential pressure control
Adjustable Δp
Measuring point
Shut-off
Draining (accessory)
Dimensions:
DN 15-50
Pressure class:
PN 16
Max. differential pressure (ΔpV):
250 kPa (84 ft H2O/37 PSI)
Setting range:
DN 15-25: 10*-60 kPa (3.34-20.1 ft H2O/1.45-8.70 PSI)
DN 32-50: 20*-80 kPa (6.69-26.8 ft H2O/2.90-11.6 PSI)
*) Delivery setting
Temperature:
Max. working temperature: 120°C
Min. working temperature: -20°C
Media:
Water or neutral fluids, water-glycol mixtures (0-57%).
Material:
Valve body: AMETAL®
Bonnet: AMETAL®
Cone: AMETAL®
Spindles: AMETAL®
O-rings: EPDM rubber
Membrane: HNBR rubber
Spring: Stainless steel
Spring support: AMETAL® and reinforced PPS
Handwheel: Polyamide
AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.
Marking:
Body: IMI or TA, PN 16/150, DN, inch size and flow direction arrow.
Bonnet: STAP, ΔpL range in Ft H2O and PSI.
Connection:
Pipe threads NPT according to ANSI/ASME B1.20.1-1983.
Complete thread according to ANSI B16.15-1985.
Articles
1 m capillary pipe and transition nipples UNS 1 1/16"x11,5 are included.
Female NPT threads
1 m capillary pipe and transition nipples UNS 1 1/16"x11,5 are included.

DN | (Size) | D | L | H | B | Kvm | qmax [m3/h] | Kg | EAN | Article No |
10-60 kPa | ||||||||||
15 | 1/2" | 1/2-14 NPT | 84 | 137 | 72 | 1,4 | 1,0 | 1,1 | 7318793957603 | 52 266-015 |
20 | 3/4" | 3/4-14 NPT | 91 | 139 | 72 | 3,1 | 2,2 | 1,2 | 7318793957702 | 52 266-020 |
25 | 1" | 1-11.5 NPT | 93 | 141 | 72 | 5,5 | 3,9 | 1,3 | 7318793957801 | 52 266-025 |
20-80 kPa | ||||||||||
32 | 1 1/4" | 1 1/4-11.5 NPT | 133 | 179 | 110 | 8,5 | 6,0 | 2,6 | 7318793957900 | 52 266-032 |
40 | 1 1/2" | 1 1/2-11.5 NPT | 135 | 181 | 110 | 12,8 | 9,1 | 2,9 | 7318793958006 | 52 266-040 |
50 | 2" | 2-11.5 NPT | 137 | 187 | 110 | 24,4 | 17,3 | 3,5 | 7318793958105 | 52 266-050 |
→ = Flow direction
Kvm = m3/h at a pressure drop of 1 bar and opening corresponding to the p-band.
For heating/cooling
Insulation STAP
For heating/cooling

For DN | L | H | B | EAN | Article No |
15-25 | 145 | 172 | 116 | 7318793658906 | 52 265-225 |
32-50 | 191 | 234 | 154 | 7318793659002 | 52 265-250 |
Draining kit STAP

d | EAN | Article No |
G1/2 | 7318793660404 | 52 265-201 |
G3/4 | 7318793660503 | 52 265-202 |
UNS 1 1/16"x11.5 | 7318793959102 | 52 266-202 |
For connection of capillary pipe while permitting simultaneous use of our balancing instrument.
Measuring point, two-way
For connection of capillary pipe while permitting simultaneous use of our balancing instrument.

EAN | Article No |
7318793784100 | 52 179-200 |
Measuring point STAP

EAN | Article No |
7318793660602 | 52 265-205 |
Complete with connections for 6 mm pipe.
Extension kit for capillary pipe
Complete with connections for 6 mm pipe.

EAN | Article No | |
6 mm | 7318793781505 | 52 265-212 |
For use on STAD or STS. Replacement of existing draining.
Connection sleeve kit for capillary pipe
For use on STAD or STS. Replacement of existing draining.

EAN | Article No |
7318794027800 | 52 265-216 |
Venting
Plug
Venting

EAN | Article No |
7318793661609 | 52 265-302 |
Capillary pipe

L | EAN | Article No |
1 m | 7318793661500 | 52 265-301 |
For capillary pipe with G1/16 connection.
Transition nipple
For capillary pipe with G1/16 connection.

d | EAN | Article No |
G1/2 | 7318793660206 | 52 179-981 |
G3/4 | 7318793660305 | 52 179-986 |
d | EAN | Article No |
UNS 1 1/16x11.5 | 7318793959300 | 52 179-987 |
Images

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