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Nozzle Check Valve

Nozzle Check Valve

Main Feature It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect. The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise. It...
Product Details

Product introduction 

Nozzle Check Valve are designed and manufactured strictly to International Standards API 594 or Equivalent, reduce the flow resistance and pressure drop to the minimum possible extend, which is suitable to be mounted in horizontal position only, lapped and screwed in seat ring ensures tight shut of and long duration service. Valve’s disc is perfectly designed, accurately machined and guided for efficient automatic shut off at zero pressure, with a feature of compact structure & Low emission service.

Product Range

Nominal Diameter: 1/2" - 48"(DN15 - DN1200)

Pressure Range: Class 150 - 2500(PN16 - PN420)

Working Temperature: -29℃ - +425℃

Body Material: Carbon Steel, Stainless Steel, Alloy Steel, Bronze

Standards Compliance

- Design & Manufactured to API 6D

  P.T Ratings to ASME B16.34

- Face to Face Dimensions to API 594

- Flanged Ends to ASME B16.5

- Butt-weld Ends to ASME B16.25

Threaded Ends to ASME B1.20.1

- Socket-weld Ends to ASME B16.11

Valves Marking to MSS SP-25

- Inspect & Tested to API 598

Structured in Bolted Cover

Pressure Ratings from Class 150 to Class 1500, PN16 to PN260

Ends Connections in Flanged R.F or RTJ, Butt-welded and Grooved

Sizes Ranges from 1/2” thru 2” for Forged Items, and 1 1/2” to 60” for Casted.

Body Materials available in Carbon Steel A216 WCB, WCC, Low Carbon Steel LCB, LCC, Alloy Steel A217 WC6, WC9, Stainless Steel A351 CF3, CF8, CF3M, CF8M, Duplex & Super Duplex Steel A890 GR. 4A, GR. 5A, Special Materials in Monel, Alu. Bronze C95800, 95600 etc.

Trim Materials available in 13%Cr, F11, F22, SS304, SS304L, SS316, SS316L and other specials

Optional Bypass system & Counter-weight Assembly.

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