Product Description Model NO.: HQ44X Connection Form: Flange Pressure: Pn10 Pn16 Class125lb Class150lb Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 594, API 6D, Asme B16.34 Face to Face: Asme B16.10 Inspect & Test: API 598 Certificate 2: ISO9001:2008 Certificate 4: API 600 Specification: API, ANSI, ASME, BS, DIN, JIS, GB etc. HS Code: 84818010 Material: Stainless Steel Structure: Tubular 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: RF,FF, Rtj Certificate 1: Dnv CE 0575 Certificate 3: API 6D Trademark: Vatac Origin: China Flanged Cast Steel Nozzle Check Valve Manufacturer Conform to API 6D, and ASME B16.34.  They are tested according to API 598, and marked as per MSS SP-25  1. Construction is as follows:  

- Axial Flow

- With Spring

- One Piece Body

- Soft or Metal Seated

- Nozzle Type

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

  2. Main Part & Materials   

Part Names	Part Materials
Body	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	C83600/C95800
Bonnet	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	C83600/C95800
Disc/Ball/Wedge	WCB/A105	LCB/LF2	WC6/F22	CF8/F304	CF8M/F316	CF3/F304L	CF3M/F316L	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

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

4. Normal Size Range
DN40~DN1000, 1 1/2"~40" 

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