Product Description Model NO.: H44 Connection Form: Wafer Pressure: Low Pressure Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 594, API 6D, Asme B16.34 Face to Face: API 594 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 Iron Structure: Tilting Function: Ddcv Double Lobe, Nrvr Silence, Nrvz Silence Standard: ANSI Characteristic: Tilting Disc Check Valve Pre-Temp. Rating: Asme B16.34 Ends Connection: Asme B16.5/16.47 Certificate 1: Dnv CE 0575 Certificate 3: API 600 Trademark: VATAC Origin: China
Ductile Iron/Cast Iron PN16 Tilting Disc Check Valve

Conform to API 6D, and ASME B16.34.  They are tested according to API 598, and marked as per MSS SP-25
 
Construction is as follows:  

- Tilting Disc

- With Spring

- Small Flow Resistance

- Soft or Metal Seated

- Retainer or Retainer Less Design

- Wafer Ends to Suit for Flanged Ends(ASME B16.5 and B16.47 A/B)

 
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
Seat/Seat Ring	13%Cr	SS304	13%Cr	SS304	SS316	SS304L	SS316L	C83600/C95800
	PTFE/NBR/EPDM/VITON
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
DN40~DN1000, 1 1/2"~40" 

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