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Product Description
Model NO.: H44H Connection Form: Flange Pressure: 1.0-2.5MPa Sealing Form: Metal Standard: ANSI Characteristic: Non Slam
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 or OEM Origin: China Material: Cast Steel Structure: Nozzle Check Valve Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence Flow Direction: Unidirection Application: Industrial Usage, Water Industrial Usage, Household Usage Design & Manufacture: API 6D, Asme B16.34, DIN 3202 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 RF Flange Cast Steel 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~DN1500, 2"~60"
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Product Categories : Check Valve > Non-slam & Axial Flow Check Valve
