Forged Steel Swing Check Valve, Piston Check Valve for Flow Control

Product Description

Main Parts Materials
NO	Part Name	ASTM Material
		Carbon Steel	Stainless Steel	Alloy Steel
1	Body	A105	A182 F316	A182 F11
2	Bonnet	A105	A182 F316	A182 F11
3	Disc	A182 F6a	A182 F316	A182 F6a+HF
4	Hinge	A276 410	A276 316	A276 410
5	Seat	A276 410	A182 F316+HF	A276 410+HF
6	Bonnet Gasket	Graphite+304	Graphite+316	Graphite+304
7	Bonnet Stud	A193 B7	A193 B8M	A193 B16

Note:lift type check valve seat ring integral with body.
Forged Steel piston Check Valve Specification: 1. Size:3/8"~3",DN 10~DN 80
2. Pressure:Class 150~Class 2500
3. End connection:RF,RTJ,BW,SW,NPT

Main Materials Forged Steel:A105,F11,F22,LF2,F304,F304L,F316,F316L,F321,Alloy 20,N06625,F5,F9,F51,F53,F55
Special Alloy Steel:Inconel,Hastelloy,Monel,Incoloy 825

Forged Steel piston Check Valve Standard And Features Std:
1.Design & manufacture:API 602,ASME B16.34
2.Pressure-temperature Rating:ASME B16.34
3.FACE TO FACE:ASME B16.10/Manufacturer STD
4.Flanged End:ASME B16.5
5.Butt Welded End:ASME B16.25
6.Socket Welded End:ASME B16.11
7.Threaded End:ASME B1.20.1
8.Inspection & Test:API 598

Features:
1.BC,Bolted Cover
2.Welded Cover,Bolted Cover or pressure seal Cover
3.Lift or Swing Type
4.Seat Ring Integral with Body of Lift
5.Horizontal or Vertical Service
6.SW,Screwed Welded End
7.NPT,Threaded End
8.Flanged End
9.When the swing check valve is fully opened, the fluid pressure is almost unimpeded, so the pressure drop through the valve is relatively small
10.The disc seat of the lift check valve is located on the sealing surface of the valve seat on the valve body
11.The function of this type of valve is to allow the medium to flow in only one direction and to prevent the flow in one direction

Welded Flange Swing Check Valve Specification: 1. Size:3/8"~3",DN 10~DN 80
2. Pressure:Class 150~Class 2500
3. End connection:Welded

Main Materials Forged Steel:A105,F11,F22,LF2,F304,F304L,F316,F316L,F321,Alloy 20,N06625,F5,F9,F51,F53,F55
Special Alloy Steel:Inconel,Hastelloy,Monel,Incoloy 825

Welded Flange Swing Check Valve Standard And Features Std:
1.Design & manufacture:API 602,ASME B16.34,BS 5352,API 594
2.Pressure-temperature Rating:ASME B16.34
3.FACE TO FACE:ASME B16.10/Manufacturer STD
4.Flanged End:ASME B16.5
5.Inspection & Test:API 598

Features:
1.Bolted Cover or Pressure seal Cover
2.Full bore or reduced bore
3.Swing Type
4.Welded End
5.Low temperature design is selected

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