Forged Steel Check Valve

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Design of Forged Steel Check Valve

Remark:1.Type of end connection referred to Appendix

2.Type of body and bonnet connection referred to Appendix

Material List For Main Parts

No.	Part Name	ASTM
		Carbon Steel		Stainless Steel	Alloy Steel
1	Body	A105	LF2/LF3	A182 F304	A182F11/F22
2	Seat	A182F6a	A182F6a	A182 F304	A182F11/F22
3	Disc/Ball	A182F6a	A182F6a	A182 F304	A182F6a
4	Pin	A276-410	A276-410	A276-304	A276-410
5	Spring	Si.Mn Alloy Steel		Stainless Steel	Cr.v Alloy Steel
6	Gasket	Graphite+304
7	Bonnet	A105	LF2/LF3	A182 F304	A182 F11/F22
8	Bolt	A193 B7	A320 L7	A193 B8	A193 B16

Forged Steel Check Valve Product Line

Ends

Port

Structure

Pressure

8

10

15

20

25

32

40

50

65

PN

Class

1/4

3/8

1/2

3/4

1

11/4

11/2

2

21/2

Flange,Buttweld

FP

BS/BL/WS/WL

1.6-10.0

150

*

*

*

*

*

*

*

300

*

*

*

*

*

*

*

600

*

*

*

*

*

*

*

Flange,Buttweld

FP

PL

16.0-42.0

900

*

*

*

*

*

*

*

1500

*

*

*

*

*

*

*

2500

*

*

*

*

*

*

*

Threaded,Socket

RP

BS/BL/WS/WL

1.6-10.0

150

*

*

*

*

*

*

*

*

*

300

*

*

*

*

*

*

*

*

*

600

*

*

*

*

*

*

*

*

*

800

*

*

*

*

*

*

*

*

*

Threaded,Socket

FP

BS/BL/WS/WL

1.6-10.0

150

*

*

*

*

*

*

*

*

*

300

*

*

*

*

*

*

*

*

*

600

*

*

*

*

*

*

*

*

*

800

*

*

*

*

*

*

*

*

*

Threaded,Socket

FP

BS/BL/WS/WL

16.0-26.0

900

*

*

*

*

*

*

*

1500

*

*

*

*

*

*

*

Threaded,Socket

FP

Y-BL/WL

-

800

*

*

*

*

*

*

*

*

*

1500

*

*

*

*

*

*

*

*

*

Performance Specification

Norminal Pressure		Class
		150	300	600	800	900	1500	2500
(MPa) Test Pressure	Shell Test	2.93	7.55	10.0	20.1	15.0	37.5	63.0
	High Pressure Seal Test	2.07	5.52	7.31	14.7	11.03	27.5	16.2
	Low Pressure Seal Test	0.6
Applicable Temperature		=425?
Applicable Medium		Water,oil & gas

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