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Spirax Sarco Carbon Steel Safety Valve Dimensions

Safety Valve Dimensions Featured

Safety Valve dimensions are manufacturer specific. Following dimensions are taken from Spirax Sarco catalog for carbon steel safety valves. These should be used for preliminary work only till project specific vendor catalog arrives.

Metric Dimensions | Inch Dimensions

Metric Dimensions

Orifice	Inlet NPS	Outlet NPS	Rating Inlet	Rating Outlet	A1 mm Outlet Dimension	B mm Inlet Dimension	C mm Total Height	KG Weight
F	1-1/2″	2″	300	150	108	114	399	14
G	1-1/2″	2″	300	150	108	114	399	14
H	1-1/2″	2-1/2″	300	150	124	122	426	21
J	1-1/2″	2-1/2″	300	150	124	122	426	21
K	2″	3″	300	150	142	133	480	28
L	2-1/2″	4″	300	150	162	156	523	41
M	3″	4″	300	150	165	165	640	53
N	4″	6″	300	150	191	184	682	90
P	4″	6″	300	150	210	181	736	96
Q	6″	8″	300	150	238	251	905	174
R	6″	8″	300	150	254	276	1040	287
Orifice	Inlet NPS	Outlet NPS	Rating Inlet	Rating Outlet	A1 mm Outlet Dimension	B mm Inlet Dimension	C mm Total Height	KG Weight

Metric Dimensions | Inch Dimensions

Inch Dimensions

Safety Valves Spirax Sarco Carbon Steel Dimensions Header

Orifice	Inlet NPS	Outlet NPS	Rating Inlet	Rating Outlet	A1 inch Outlet Dimension	B inch Inlet Dimension	C inch Total Height	Lbs Weight
F	1-1/2″	2″	300	150	4.25	4.49	15.71	31
G	1-1/2″	2″	300	150	4.25	4.49	15.71	31
H	1-1/2″	2-1/2″	300	150	4.88	4.80	16.77	46
J	1-1/2″	2-1/2″	300	150	4.88	4.80	16.77	46
K	2″	3″	300	150	5.59	5.25	18.90	62
L	2-1/2″	4″	300	150	6.38	6.14	20.59	90
M	3″	4″	300	150	6.50	6.50	25.20	117
N	4″	6″	300	150	7.52	7.25	26.85	198
P	4″	6″	300	150	8.27	7.13	28.98	212
Q	6″	8″	300	150	9.37	9.88	35.63	383
R	6″	8″	300	150	10.0	10.87	40.94	632
Orifice	Inlet NPS	Outlet NPS	Rating Inlet	Rating Outlet	A1 inch Outlet Dimension	B inch Inlet Dimension	C inch Total Height	Lbs Weight

Metric Dimensions | Inch Dimensions

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