Steam Safety Valve

Steam Safety Valve

Body: Cast Iron, WCB, SS304, SS316, Ductile Iron

Nozzle: SS304, SS316

Adjusting Ring: SS304, SS316

Disc: SS304, SS316

Guide Sleeve: SS304, SS316

Bonnet: Carbon Steel

Spring: Steel

Stem: SS304, SS316

Adjusting Bolt: Stainless Steel

Cap: Carbon Steel

Working Pressure: PN1.6, PN2.5, PN4.0, Class 150 to Class 300

End Connection: NPT, RF, RTJ

Design and Manufacture Standard: ASME 25.3, API 520, API 521, API 526, API 527

Face to Face Dimension: ASME B16.10, EN558-1, DIN 3202

End Connection Dimension: ASME B16.5, DIN 2543, DIN 2545, EN 12627

Test Standards: API 598, DIN 3230

Dimensions

Diameter(in)	d0	D	D1	D2	b	t	Z- Φd	DN'	D'	D1'	D2'	b'	t	Z'-Φd'	L	L1	H
1/2"x3/4"	D	89	60.5	35	12	5	4-15	20	98	70	43	14	1.6	4-15	90	90	290
3/4"x1"4-15	D	98	70	43	14	5	4-15	25	108	79.5	51	15	1.6	4-15	96	92	310
1"x11/2"	D	108	79.5	51	15	5	4-15	40	127	98.5	73	18	1.6	4-15	115	105	320
1"x2"	D	108	79.5	51	15	5	4-15	50	152	120.5	92	18	1.6	4-19	115	105	320
11/2"x2"	G	127	98.5	73	18	5	4-15	50	152	120.5	92	18	1.6	4-19	121	124	350
11/2"x21/2"	G	127	98.5	73	18	5	4-15	65	178	139.5	105	20	1.6	4-19	121	124	360
11/2"x3"	G	127	98.5	73	18	5	4-15	80	190	152.5	127	22	1.6	4-19	124	130	360
2"x21/2"	H	152	120.5	92	18	5	4-19	65	178	139.5	105	20	1.6	4-19	124	130	380
2"x3"	J	152	120.5	92	18	5	4-19	80	190	152.5	127	22	1.6	4-19	124	130	380
21/2"x4"	J	178	139.5	105	20	5	4-19	100	229	190.5	157	24	1.6	8-19	143	137	380
3"x4"	L	190	152.5	127	22	5	4-19	100	229	190.5	157	24	1.6	8-19	162	156	480
4"x6"	N	229	190.5	157	24	10	8-19	150	279	241.5	216	26	1.6	8-22	210	197	540
6"x8"	P	279	241.5	216	26	10	8-22	200	343	298.5	270	29	1.6	8-22	241	240	760
8"x10"	R	343	298.5	270	29	10	8-22	250	406	362	324	31	1.6	12-25	279	276	830
12"x14"	T	483	432	381	32	10	12-25	350	533	476	413	35	1.6	12-29	370	360	890