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Technical Data

Balanced Bellows Safety Relief Valvess, Closed

Pressure	Class	150	300	1500
Body strength	Ps (MPa)	3.0	7.5	37.5
Set pressure	Pk (MPa)	0.1~2	1.6~5	10~25
Seal pressure	Pm	90Pk
Reseating pressure	Ph	=90Pk
Relieving pressure	Pp	=1.1Pk
Lift	H (mm)	=1/20 do
Appropriate temperature		C	=300°C
Appropriate temperature		P,R	=200°C
Appropriate medium		C	Gas, liquid
Appropriate medium		P,R	Nitric Acid, Acetic Acid, Gas, Liquid

Dimensions (mm)

WA41C150, A41C150P, WA41C150R
Normal Diameter DN (in)	Dimension (mm)
Normal Diameter DN (in)	do	D	D1	D2	b	t	z-¢d	DN'	D'	D1'	D2'	t'	b'	z-¢d'	L	L1	H
1/2''×1/2''	D	89	60.5	35	12	6	4-15	15	89	60.5	35	1.6	12	4-15	90	90	320
3/4''×1''	D	98	70	43	14	6	4-15	25	108	79.5	51	1.6	15	4-15	96	92	330
1''×1''	D	108	79.5	51	15	9	4-15	25	108	79.5	51	1.6	15	4-15	100	100	350
1''×2''	E	108	79.5	51	15	9	4-15	50	152	120.5	92	1.6	18	4-19	114	105	350
1 1/2''×1 1/2''	G	127	98.5	73	18	10	4-15	40	127	98.5	73	1.6	18	4-15	110	115	370
1 1/2''×2''	G	127	98.5	73	18	10	4-15	50	152	120.5	92	1.6	18	4-19	110	115	370
2''×3"	J	152	120.5	92	18	10	4-19	80	190	152.5	127	1.6	22	4-19	124	130	390

WA41C300, A41C300P, WA41C300R
Normal Diameter DN (in)	Dimension (mm)
Normal Diameter DN (in)	do	D	D1	D2	B	T	z-¢d	DN'	D'	D1'	D2'	T'	B'	z-¢d'	L	L1	H
1/2''×1/2''	D	95	66.5	35	15	6	4-15	15	15	89	60.5	1.6	12	4-15	90	90	320
3/4''×1''	D	117	85.5	43	16	10	4-19	25	25	108	79.5	1.6	15	4-15	96	92	330
1''×1''	D	124	90	51	18	6	4-19	25	25	108	79.5	1.6	15	4-15	100	100	350
1''×2''	E	124	90	51	18	6	4-19	50	50	154	120.5	1.6	18	4-19	114	105	350
1 1/2''×1 1/2''	G	156	114.5	73	20	9	4-22	40	40	127	98.5	1.6	18	4-15	110	115	370
1 1/2''×2''	G	156	114.5	73	20	9	4-22	50	50	152	120.5	1.6	18	4-19	110	115	370
2''×3"	J	165	127	92	22	8	8-19	80	80	190	152.5	1.6	22	4-19	124	130	390

WA41C1500
Normal Demeter DN (in)	Dimension (mm)
Normal Demeter DN (in)	Do	D	D1	D2	b	t	z-¢d	DN'	D'	D1'	D2'	b'	t'	z-¢d'	L	L1	H
1''×1''	D	150	101.6	51	29	10	4-25	25	125	90	51	1.6	18	4-19	125	125	360

Supplier: Saitai Valve, China
Manufacturer: Shop in Shanghai Qingpu Industrial Park

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