Spring Low Lift Safety Valve, WCB, PN4.0

Name: Spring Low Lift Safety Valve, WCB, PN4.0
Availability: InStock
Rating: 5 (1 reviews)

Key Specifications / Features

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Detail Information

Spring low lift safety valve is widely used in petroleum, gas, electricity, chemical industry, etc. It is applicable for water, steam, gas, oil or corrosive medium. Working temperature is not higher than350℃. When the pressure in pipes is higher than allowed pressure, safe valve will open to decompress to ensure the safety of pipes. The valve will close to ensure that equipment runs effectively, when the pressure is decreased to allowed value.

Characteristics of spring low lift safety valve

1. The structure is helpful for cooling.

2. Spring is made of high quality spring steel to enhance service life and stability.

3. The structure of disc and base is convenient for maintenance.

Performance

Nominal Diameter DN(mm)	DN20-300
Applicable Temperature	≤350°C
Applicable Medium	Water, steam, oil

Materials

Base	2Cr13, CF8, CF8M, CF3M
Body	WCB, CF8, CF8M, CF3M
Adjusting ring	2Cr13, 304SS, 316SS,316L
Disc holder	2Cr13, 304SS, 316SS,316L
Disc	2Cr13, 304SS, 316SS,316L
Bellows	304SS, 316SS,316L
Guide sleeve	2Cr13, 304SS, 316SS,316L
Bonnet	WCB, CF8, CF8M, CF3M
Spring	50CrVa, 50CrVa+TEFLON
Stem	2Cr13, 316SS,316L
Stretching screw	45#steel, 2Cr13
Cover	ZG200
Seal face	Cemented carbide

Dimensions

Nominal Pressure(MPa)	Nominal Diameter(mm)	do	DN'	L	L1	≈H
4.0	20	15	20	100	85	270
	25	20	25	100	85	270
	32	25	32	115	100	312
	40	32	40	120	110	320
	50	40	50	135	120	390
	65	50	65	140	130	395
	80	65	80	160	135	400
	100	80	100	170	160	600
	125	100	125	190	190	620
	150	125	150	205	195	625
	200	150	200	240	230	798
	250	200	250	350	320	981
	300	250	300	350	320	1005