STAF-SG

Features & Benefits

Handwheel

Equipped with a digital read-out, the handwheel ensures accurate and straightforward balancing.

Self-sealing measuring points

For simple, accurate balancing.

Positive shut-off function

For easy maintenance.

Technical Information

Technical description

Application:

Heating (not steam) and cooling systems

Functions:

Balancing
Pre-setting
Measuring
Shut-off (The restriction cone for valve sizes 2 1/2" - 16" is pressure released).

Dimensions:

3/4" - 16"

Pressure class:

Class 150

Temperature / Max. pressure:
14 to 100 °F / 250 psi
200 °F / 235 psi
248 °F / 225 psi

Temperature:

Max. working temperature: 248°F
Min. working temperature: 14°F

Media:

Water or neutral fluids, water-glycol mixtures (0-57%).

Material:

Body: Ductile iron, EN-GJS-400-15 (~ ASTM A536 Grade 60-40-18. ISO 1083 Grade 400-15).

Size 3/4" - 6":
Bonnet, cone and spindle of AMETAL®.
Size 8" - 12":
Bonnet and cone of ductile iron EN-GJS-400-15, and spindle of AMETAL®.
Size 14" - 16":
Bonnet of ductile iron EN-GJS-400-15, cone of silicon brass CuZn16Si4-C (EN 1982) and gunmetal CuSn5Zn5Pb5 (EN 1982), and spindle of AMETAL®.

Cone sizes 2 1/2” - 16”: PTFE coated.

Seals: EPDM.
Slip washer: PTFE.
Bonnet bolts: Surface treated steel.
Measuring points: AMETAL® and EPDM.
Handwheel: Size 3/4"-2" polyamide and TPE, size 2 1/2"-6" polyamide, size 8"-16" aluminium.

AMETAL® is the dezincification resistant alloy of IMI Hydronic Engineering.

Surface treatment:

Size 3/4" - 8": Epoxy painting.
Size 10" - 16": Duasolid painting.

Marking:

Size 3/4" - 2": TA, PN, DN (mm), 400-15 (material) and flow direction arrow.
Size 2 1/2" - 16": TA, Class 150, size (inch), 60-40-18 (material), casting date and flow direction arrow.
CE-marking:
CE: STAF-SG (Class 150) size 2 1/2" - 6".
CE 0409*: STAF-SG (Class 150) size 8" - 12".
*) Notified body.

Flanges:

Size 3/4" - 2": ISO 7005-2 and EN 1092-2. Bolt circle according to Class 150 ASME/ANSI B16.42.
Size 2 1/2" - 16": Class 150 ASME/ANSI B16.42 (~ PN 20 according to ISO 7005-2).

Face to face:

According to ISO 5752 series 1 and EN 558-1 series 1.

Articles

Measuring points on body

Bolted bonnet

Measuring points on body

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
8"	8	23.62	16.93	13.58	887	167.5	52 167-993	52 182-993
10"	12	28.74	16.54	15.98	1375	269.0	52 167-994	52 182-994
12"	12	33.46	18.90	19.02	1682	359.4	52 167-995	52 182-995
14" *	12	38.58	23.03	20.98	2552	654.8	52 182-996 *	52 182-996 *
16" *	16	43.31	25.20	23.50	3225	895.1	52 182-997 *	52 182-997 *

→ = Flow direction

Cvs = gpm at a pressure drop of 1 psi and fully open valve.

*) NOTE: Not CE marked products. Not allowed to be installed in EU or EFTA countries.

**) Distributed by Victaulic.

Bolted bonnet

Measuring points on body

Bolted bonnet

Measuring points on body

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
8"	8	23.62	16.93	13.58	887	167.5	52 167-993	52 182-993
10"	12	28.74	16.54	15.98	1375	269.0	52 167-994	52 182-994
12"	12	33.46	18.90	19.02	1682	359.4	52 167-995	52 182-995
14" *	12	38.58	23.03	20.98	2552	654.8	52 182-996 *	52 182-996 *
16" *	16	43.31	25.20	23.50	3225	895.1	52 182-997 *	52 182-997 *

→ = Flow direction

Cvs = gpm at a pressure drop of 1 psi and fully open valve.

*) NOTE: Not CE marked products. Not allowed to be installed in EU or EFTA countries.

**) Distributed by Victaulic.

Threaded bonnet

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
3/4"	4	5.91	3.94	4.13	6.61	5.1	-	52 182-920
1"	4	6.30	4.29	4.53	10.1	6.4	-	52 182-925
1 1/4"	4	7.09	4.37	5.51	16.5	9.5	-	52 182-932
1 1/2"	4	7.87	4.80	5.91	22.3	11.5	-	52 182-940
2"	4	9.06	4.80	6.50	38.3	15	-	52 182-950

Threaded bonnet

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
3/4"	4	5.91	3.94	4.13	6.61	5.1	-	52 182-920
1"	4	6.30	4.29	4.53	10.1	6.4	-	52 182-925
1 1/4"	4	7.09	4.37	5.51	16.5	9.5	-	52 182-932
1 1/2"	4	7.87	4.80	5.91	22.3	11.5	-	52 182-940
2"	4	9.06	4.80	6.50	38.3	15	-	52 182-950

Bolted bonnet

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
2 1/2"	4	11.42	8.07	7.09	98.6	24.3	52 167-965	52 182-965
3"	4	12.20	8.66	7.48	139	30.9	52 167-980	52 182-980
4"	8	13.78	9.45	9.06	220	43.2	52 167-990	52 182-990
5"	8	15.75	10.83	10.04	348	61.9	52 167-991	52 182-991
6"	8	18.90	11.22	11.02	487	81.8	52 167-992	52 182-992

Bolted bonnet

Size	Number of bolt holes	L [in]	H [in]	D [in]	Cvs	lb	Article No ** North America	Article No International
2 1/2"	4	11.42	8.07	7.09	98.6	24.3	52 167-965	52 182-965
3"	4	12.20	8.66	7.48	139	30.9	52 167-980	52 182-980
4"	8	13.78	9.45	9.06	220	43.2	52 167-990	52 182-990
5"	8	15.75	10.83	10.04	348	61.9	52 167-991	52 182-991
6"	8	18.90	11.22	11.02	487	81.8	52 167-992	52 182-992

Accessories

Handwheel

Size	EAN	Article No
3/4" - 2"	7318794043503	52 186-007
2 1/2" - 6"	5902276808968	52 186-010
8" - 16"	7318792835001	52 186-004

Handwheel

Size	EAN	Article No
3/4" - 2"	7318794043503	52 186-007
2 1/2" - 6"	5902276808968	52 186-010
8" - 16"	7318792835001	52 186-004

Identification tag

EAN	Article No
7318792779206	52 161-990

EAN	Article No
7318792779206	52 161-990

Allen key

For locking of setting.

[mm]	For size	EAN	Article No
3	3/4" - 6"	7318792836008	52 187-103
5	8 "- 16"	7318792836107	52 187-105

Allen key

For locking of setting.

[mm]	For size	EAN	Article No
3	3/4" - 6"	7318792836008	52 187-103
5	8 "- 16"	7318792836107	52 187-105

(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM

Measuring point, extension 2.36 in.

(not for 52 179-000/-601)
Can be installed without draining of the system.
AMETAL^®/Stainless steel/EPDM

EAN	Article No
7318792812804	52 179-006

Measuring point, extension 2.36 in.

(not for 52 179-000/-601)Can be installed without draining of the system.AMETAL®/Stainless steel/EPDM

Measuring point, extension 2.36 in.

(not for 52 179-000/-601)
Can be installed without draining of the system.
AMETAL^®/Stainless steel/EPDM

EAN	Article No
7318792812804	52 179-006

For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.

Insulation

For heating/cooling
CFC-free polyurethane. Covered with grey PVC.
See catalogue leaflet "Prefab insulations" for complete details.

For size	L [in]	D [in]	C [in]	EAN	Article No
2"	15.4	9.84	9.91	7318792840708	52 189-850
2 1/2"	17.7	10.6	10.7	7318792840807	52 189-865
3"	18.9	11.4	11.5	7318792840906	52 189-880
4"	20.5	12.6	12.7	7318792841002	52 189-890
5"	22.4	13.8	13.9	7318792841101	52 189-891
6"	26.0	15.0	15.0	7318792841200	52 189-892

Insulation

For heating/coolingCFC-free polyurethane. Covered with grey PVC.See catalogue leaflet "Prefab insulations" for complete details.

Insulation

For heating/cooling
CFC-free polyurethane. Covered with grey PVC.
See catalogue leaflet "Prefab insulations" for complete details.

For size	L [in]	D [in]	C [in]	EAN	Article No
2"	15.4	9.84	9.91	7318792840708	52 189-850
2 1/2"	17.7	10.6	10.7	7318792840807	52 189-865
3"	18.9	11.4	11.5	7318792840906	52 189-880
4"	20.5	12.6	12.7	7318792841002	52 189-890
5"	22.4	13.8	13.9	7318792841101	52 189-891
6"	26.0	15.0	15.0	7318792841200	52 189-892

AMETAL®/EPDM

Measuring point

AMETAL^®/EPDM

d	L [in]	EAN	Article No
Size 3/4" - 2"
R1/4	1.535	7318792813108	52 179-009
R1/4	4.055	7318792814600	52 179-609
Size 2 1/2" - 16"
R3/8	1.772	7318792813009	52 179-008
R3/8	3.976	7318792814501	52 179-608

Measuring point

AMETAL®/EPDM

Measuring point

AMETAL^®/EPDM

d	L [in]	EAN	Article No
Size 3/4" - 2"
R1/4	1.535	7318792813108	52 179-009
R1/4	4.055	7318792814600	52 179-609
Size 2 1/2" - 16"
R3/8	1.772	7318792813009	52 179-008
R3/8	3.976	7318792814501	52 179-608