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Stainless Steel Safety Relief Valve, Closed

Technical Data

Stainless Steel Safety Relief Valves, Closed

Normal Pressure	Class	150	300	600	900	1500
Body strength	Ps (MPa)	3.0	7.5	15	22.5	38
Set pressure	Pk (MPa)	0.1~2	1.6~5	3.2~10	8~15	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		Air, Oil, Steam, Water, Corrosive medium

Dimensions (mm)

Type	DN	do	d	M	D	K	Z-∮d	b	d1	M1	D1	K1	Z1-∮d1	b1	L	L1	~H
A41Y-160	15	8	20	M24×2	95	60	3-18	20	/	M33×2	36	/	/	/	50	80	85
	20	10	25	M27×2	95	60	3-18	20	/	M33×2	48	/	/	/	50	80	85
	25	12	28	M33×2	105	68	3-18	20	/	M33×2	48	/	/	/	50	80	85
A41Y-160	10	8	18	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	15	8	20	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	20	10	27	M33×2	105	68	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	25	12	28	M42×2	105	68	3-18	20	50	M64×3	165	115	6-26	32	130	135	285
	32	12.14.16	37	M52×2	115	80	4-18	22	50	M64×3	165	115	6-26	32	130	135	285
	40	20	47	M64×2	165	115	6-26	28	65	M80×3	200	145	6-29	40	165	165	350
	50	25	58	M26×2	165	115	6-26	32	80	M100×3	225	170	6-33	80	165	165	380
A41Y-320	10	8	18	M24×2	95	60	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	15	8	27	M33×2	105	68	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	20	10	30	M36×2	110	75	3-18	20	29	M42×2	115	80	4-18	22	95	100	261
	25	12	35	M42×2	115	80	4-18	22	50	M64×3	165	115	6-26	32	130	135	285
	32	12.14.16	41	M48×2	135	95	4-22	25	50	M64×3	165	115	6-26	32	130	135	285
	40	20	58	M64×3	165	115	6-26	32	65	M80×3	200	145	6-29	40	165	115	350
	50	25	70	M80×3	200	145	6-29	40	80	M100×3	225	170	6-33	50	165	165	380

A41C150, A41C150P, A41C150R
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	260
3/4"×1"	D	98	70	43	14	6	4-15	25	108	79.5	51	1.6	15	4-15	96	92	280
1"×1"	D	108	79.5	51	15	9	4-15	25	108	79.5	51	1.6	15	4-15	100	100	290
1"×2"	E	108	79.5	51	15	9	4-15	50	152	120.5	92	1.6	18	4-19	114	105	290
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	330
1 1/2"×2"	G	127	98.5	73	18	10	4-15	50	152	120.5	98	1.6	18	4-19	110	115	330
2"×3"	J	152	120.5	92	18	10	4-19	80	190	152.5	127	1.6	22	4-19	124	130	350

A41C300, A41C300P, A41C300R
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	89	60.5	35	1.6	12	4-15	90	90	260
3/4''×1''	D	117	85.5	43	16	10	4-19	25	108	79.5	51	1.6	15	4-15	96	92	280
1''×1''	D	124	90	51	18	6	4-19	25	108	79.5	51	1.6	15	4-15	100	100	290
1''×2''	E	124	90	51	18	6	4-19	50	152	120.5	92	1.6	18	4-19	114	105	290
1 1/2''×1 1/2''	G	156	114.5	73	20	9	4-22	40	127	98.5	73	1.6	18	4-15	110	115	330
1 1/2''×2''	G	156	114.5	73	20	9	4-22	50	152	120.5	92	1.6	18	4-19	110	115	330
2"×3"	J	165	127	92	22	8	8-19	80	190	152.5	127	1.6	22	4-19	124	130	350

A41C600, A41C600P, A41C600R
Normal Diameter DN (in)	Dimension (mm)
Normal Diameter DN (in)	do	D	D1	D2	b	t	z-¢d	DN'	D'	D1'	D2'	b'	t'	z-¢d'	L	L1	H
3/4''×1''	D	117	82.5	43	16	6	4-15	25	108	79.5	51	15	1.6	4-15	105	110	280
1'' ×2''	D	124	90	51	20	9	4-19	50	152	120.5	92	18	1.6	4-19	115	105	290
1 1/2'' ×1 1/2''	F	156	114.5	73	22	10	4-22	40	127	98.5	73	18	1.6	4-15	147	165	330
1 1/2'' ×2''	F	156	114.5	73	22	10	4-22	50	152	120.5	92	18	1.6	4-19	147	165	350

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

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