Product Description Model NO.: H61Y Connection Form: RF, Bw,Sw,Thread, NPT Pressure: Ordinary Pressure Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: Asme B16.34, Mss-Sp-118 Face to Face: Asme B16.10 Inspect & Test: API 598 Certificate 2: ISO9001:2008 Certificate 4: API 600 Specification: API, ANSI, ASME, DIN, JIS, GB etc. HS Code: 84818010 Material: Cast Steel Structure: Swing Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Standard: ANSI Characteristic: Forged Swing Check Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Sw, Bw, NPT, RF, Rtj Certificate 1: Dnv CE 0575 Certificate 3: API 6D Trademark: VATAC or OEM Origin: China A105N Class800lbs Forged Swing Check Valve with Flange Conform to BS1868, API 6D, ASME B16.34,  They are tested according to API 598, and marked as per MSS SP-25.
 
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

 
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

 
Normal Pressure Rating
PN10~PN420, CLASS150~2500 

Normal Size Range
DN15~D50, 1/2"~2" 

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