Low Lift Pressure Safety Valve

Low Lift Pressure Safety Valve

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

Nozzle: 2Cr13, SS304, SS316

Adjusting Ring: 2Cr13, SS304, SS316

Disc: 2Cr13, SS304, SS316

Guide Sleeve: 2Cr13, SS304, SS316

Bonnet: Carbon Steel

Spring: Steel

Stem: 2Cr13, SS304, SS316

Adjusting Bolt: 2Cr13

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

Class150

Nominal Diameter(in)	d0	D	D1	D2	b	t	Z-?d	DN’	D’	D1′	D2′	b	t	z’-?d	L	L1	H
1/2″x1/2″	D	89	60.5	35	12	5	4-15	15	69	60.5	35	12	1.6	4-15	90	90	260
3/4″x1″	D	98	70	43	14	5	4-15	25	108	79.5	51	15	1.6	4-15	96	92	280
1″x1″	D	108	79.5	51	15	5	4-15	25	108	79.5	51	15	1.6	4-15	100	100	290
1″x2″	E	108	19.5	51	15	5	4-15	50	152	120.5	92	18	1.6	4-19	115	105	290
11/2″x11/2″	G	127	98.5	73	18	5	4-15	40	127	98.5	73	18	1.6	4-15	121	124	330
11/2:x2″	G	127	98.5	73	18	5	4-15	50	152	120.5	92	18	1.6	4-19	121	124	330
2″x3″	J	152	120.5	92	18	5	4-19	80	190	152.5	127	22	1.6	4-19	124	136	350