ANSI Class800# Forged Steel Check Valve Manufacturer

• Material: Stainless Steel
• Connection Form: Flange, Thread, Bw, Sw
• Structure: Swing
• Pressure: High Pressure
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Flow Direction: Unidirection
• Model NO.: J41Y
• Standard: ANSI
• Application: Industrial Usage, Water Industrial Usage
• Characteristic: Forged Steel Check Valve
• Design & Manufacture: ASME B16.34, Mss-Sp-118
• Pre-Temp. Rating: ASME B16.34
• Face to Face: ASME B16.10
• Ends Connection: Sw, Bw, NPT, RF, Rtj
• Inspect & Test: API 598
• Certificate 1: Dnv CE 0575
• Certificate 2: ISO9001:2008
• Transport Package: Sea Worthy or Air Worthy
• Specification: API, ANSI, AEME, BS, DIN, JIS, GB etc
• Trademark: VATAC/OEM
• Origin: China
• HS Code: 848180490
• Production Capacity: 500ton Per Year

Product Description

ANSI Class800# Forged Steel Check Valve Manufacturer Conform to BS1868, API 6D, ASME B16.34,  They are tested according to API 598, and marked as per MSS SP-25.
 
1. Construction is as follows:  

- Full Port or Standard Port

- Piston Check

- Ball Check

- Swing Check

- Bolted Bonnet with spiral-would gasket, threaded and seal welded bonnet and threaded and pressure seal bonnet

- Spring available on request

- RF Ends to ASME B16.5 or B 16.47 A/B

- Butt Weld Ends to ASME B16.25

- Socket Weld Ends to ASME B16.11

-Screwed Ends to ASME/ANSI B1.20.1

 
2. Main Part & Materials

Part Names	Part Materials
Body	A105	LF2	F22	F304	F316	F304L	F316L	B62
Bonnet	A105	LF2	F22	F304	F316	F304L	F316L	B62
Disc/Ball/Wedge	A105	SS304	F22	F304	F316	F304L	F316L	B62
Stem	A105	F304	F6a	F304	F316	F304L	F316L	B62
Seat/Seat Ring	13%Cr	SS304	13%Cr	F304	F316	F304L	F316L	B62
Packing	Graphite/PTFE
Gasket	SS304+Graphite/SS304+Graphite
Bolts/Nuts	B7/2H	L7/4	B16/4	B8/8	B8M/8M	B8/8	B8M/8M	B8M/8M
Suitable Medium	W.O.G etc.			HNO3, CH3OOH etc.				Sea Water etc.
Suitable Temperature	-29~425 °C	-46~340 °C	-46~340 °C	-196~427 °C	-196~427 °C	-196~427 °C	-196~427 °C	-29~220 °C

 
3. Normal Pressure Rating
PN10~PN420, CLASS150~2500 

4. Normal Size Range
DN15~D50, 1/2"~2"