Product Details

Specifications

check valve.
1.Size:1/2"-24"
2.Pressure: 150LB-1500LB
3.Material:WCB, WCC, LCB, LCC, WC6, WC9, C5, C12, CF8, CF8M, CF3, Etc.

1.The code of driving type

Driving type	Code	Driving type	Code
Electromagnetic drive	0	Bevel gear	5
Electromagnetic and hydraulic	1	Pneumatic	6
Electric and hydraulic	2	Hydraulic	7
Worn wheel	3	Pneumatic and hydraulic	8
Spur gear	4	Electric	9

2.Code of connection form

Connection form	Internal thread	External thread	Flange	Welding	Butt clamp	Hoop	Ferrule
Code	1	2	4	6	7	8	9

3.Code of structural form of check valve

check valve	Direct through lifting type	Lifting vertical type	Single-clack swing type		Multi-clack swing type		Double clack swing type
Code	1	2		4		5		6

5.Code of materials for valve body

Materials for valve body	Code	Materials for valve body	Code	Materials for valve body	Code
Gray iron	Z	Copper alloy	T	1Cr18Ni9Ti	P
Malleable cast iron	K	Carbon steel	C	1Cr18Ni12Mo2Ti	R
Ductile iron	Q	Cr5Mo	I	12Cr1MoV	V
Could supply other materials according to client’s requirements

6.Standards

Design and manufacture as BS1868,ANSI B16.34

Face to face dimension as ANSI B16.10

End flange dimension as ANSI B16.5

Pressure temperature rating as ANSI B16.34

Pressure test as API598

7.Test pressure

Test item		Shell test		Seal test		Back seal test		Air seal test
Medium		Water						Air
Unit		MPa	Ibf/in2	MPa	Ibf/in2	MPa	Ibf/in2	MPa	Ibf/in2
Pressure (Class)	150	3.1	450	2.2	315	2.2	315	0.5-0.7	60-100
	300	7.8	1125	5.6	815	5.6	815
	400	10.3	1500	7.6	1100	7.6	1100
	600	15.3	2225	11.2	1630	11.2	1630
	900	23.1	3350	16.8	2440	16.8	2440
	1500	38.4	5575	28.1	4080	28.1	4080

8.Materials for main parts

Name	Material
Body Bonnet Wedge Arm Yoke	A216 WCB	A352 LCB	A217 WC6	A217 WC9	A217 WC5	A351 CF8	A351 CF8M	A351 CF3	A351 CF3M
Arm pin	A182 F6	A182 F304					A182 F316	A182 F304L	A182 F316L
Bonnet bolt	A193-B7 A320-L7 A193-B8
Nut	A194-2H A194-7 A194-8
Could supply other materials according to client’s requirements

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