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Wenzhou Goldtop Valve Co.LTD
Gold top valve located in Oubei Town, Wenzhou, China,where can make all kinds of precision balls,including top entry,metal seat and V type balls.On this base,our products range of floating,trunnion
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10 Inch API 594 Swing Wafer Check Valve CF3 BODY With Less Flow Resistance

Wenzhou Goldtop Valve Co.LTD

10 Inch API 594 Swing Wafer Check Valve CF3 BODY With Less Flow Resistance

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Brand Name : GOLD TOP

Certification : API 594, API 6D

Place of Origin : 中国

MOQ : 1pcs

Price : Price to be negotiated in person.

Supply Ability : 100+pcs+30days

Delivery Time : 30days

Packaging Details : Package: Plywood Case

Material : cf3

Nominal diameter : 10"

End connection : WAFER

Working temperature : -196℃~+560℃

Pressure range : 150lb

Type : wafer dual plate

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Connection StandardASME B 16.47A MSS SP-44
Test StandardAPI 598 API 6D
Design StandardAPI 594 API 6D
Face to FaceAPI 594 API 6D DIN 3202

Structure features
1. It is short in face to face dimensions,being1/4~1/8 times that of traditional flange type check valve.
2. It is impact in volume size and light in weight of about 1/4~1/20 times that of traditional flange type check valve.
3. The disc closes quickly with less water hammer pressure.
4. It is convenient in installation ,being availabe for use on level or vertical pipelines.
5. Flow passage is fluent with less flow resistance.
6. It acts sensitively with good sealing effect.
7. Disc travel is short with less impact force caused by valve closing.
8. It is impact in integral structure with nice outline view.
9. It is longer in service life with high reliability.

Dual Plate Check Valve


  • Sizes NPS 2 to NPS 48
  • Class 150 to Class 2500


  • Dual Plate or Single Plate
  • Wafer, Lug and Flanged


  • Available in Casting (A216 WCB, WC6, WC9, A350 LCB, A351 CF8, CF8M, CF3, CF3M, A995 4A, A995 5A, A995 6A), Alloy 20, Monel, Inconel, Hastelloy


  • Design & manufacture according to API 594
  • Face-to-face according to API 594, ASME B16.10
  • End Connection according to ASME B16.5
  • Test & inspection according to API 598
  • Also available per NACE MR-0175, NACE MR-0103

Technical parameters and characteristics:

Product typeSwitch valve
Product descriptionDouble-clack check valve
ModelHn46H-double-clack check valve
Nominal diameterNPS 2”~48”(DN50~DN1200)
Operating temperature-29℃~593℃(the range of service temperature may vary for different materials)
Nominal pressureCLASS 150~2500 (PN20~PN420)
MaterialMain material: A216 WCB,WCC; A217 WC6,WC9,C5,C12,C12A,CA15; A351 CF8,CF8M,CF3,CF3M,CF8C,CN3MN,CK3MCUN,CN7M; A352 LCB,LCC; A494 CW-6MC,CU5MCuC,M35-1;A890 4A(CD3MN),5A(CE3MN),6A(CD3MWCuN); ASME B 148 C95800,C95500, etc.
Design standardAPI 6D,API 594,ASME B16.34
Structural lengthAPI 6D,API 594
Connecting endASME B16.5,ASME B16.47,GB/T 9113
Test standardAPI 598,ISO 5208,GB/T 26480,GB/T 13927
Operation methodThe valve clack is automatically opened and closed under the medium force to prevent flowing to another direction.
Application fieldsFor application in fields such as electric power industry, petroleum refining, petrochemical engineering, offshore oil, tap water engineering in urban construction, chemical engineering, etc.
Other remarks 1The sealing faces of valve seat and valve clack are build-up welded with hard alloy to improve the erosion resistance and extend the service life of valve.
Other remarks 2Short closing travel of valve clack, and small impact at valve closing; short structural length, most suitable for positions with limited mounting space
Other remarks 3Suitable for medium backflow prevention in pipeline or device
Other remarks 4Built-in pin roll, without external leakage point
Other remarks 5Due to loading of spring, the valve clack can move flexibly without jamming, and has a good sealing performance.

Product Tags:

wafer lug type check valve


wafer type swing check valve

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