Product Description Model NO.: H91 Connection Form: Flange Pressure: Ordinary Pressure Flow Direction: Bidirectional Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 6D, Asme B16.34, DIN 3202 Face to Face: Asme B16.10 Inspect & Test: API 598 Certificate 2: ISO 9001: 2008 Certificate 4: API 6D Specification: API, ANSI, ASME, DIN, JIS, GB etc. HS Code: 84818010 Material: Cast Steel Structure: Non Slam Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Standard: ANSI Characteristic: Nozzle Check Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Asme B16.25, Asme B16.5/16.47 Certificate 1: Dnv CE 0575 Certificate 3: API 600 Trademark: VATAC/VANGO or OEM Origin: China Cast Steel Flanged ends Non-slam Check Valve  Conform to API 6D, ASME B16.34 and DIN 3202.
They are tested according to API 598, and marked as per MSS SP-25.

1. Construction is as follows:

- Non Slam

- With Spring

- With or Without Guide

- Axial Flow

- One Piece Body

- Butt Weld Ends to ASME B16.25

- Flanged Ends to ASME B16.5 and B16.47 A/B

2. Main Part & Materials

Part Names	Part Materials
Body	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Bonnet	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Disc/Ball/Wedge	WCB	LCB	WC6	CF8	CF8M	CF3	CF3M	C83600/C95800
Stem	F6a	F304	F6a	F304	F316	F304L	F316L	C83600/C95800
Seat/Seat Ring	13%Cr	SS304	13%Cr	SS304	SS316	SS304L	SS316L	C83600/C95800
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
DN50~D1500, 2"~60"

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Product Categories : Check Valve > Non-slam & Axial Flow Check Valve