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Check Valve

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seat: Asia-Pacific China
Validity to: Long-term effective
Last update: 2016-10-05 23:12
Browse the number: 94
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Quick Details

Trademark:CHAODA
Standard:ANSI/API,JIS,DIN,BS, Chinese GB Standards

Specifications

The check valves manufactured by Chaoda Company include swing check valve, lift type check valve, wafer type check valve, forged steel check valve.

Application:
wafer type check valves are suitable for use on various kinds of piprlines of normal pressure Class 150~Class 2500. PN 10~PN420, JIS10K~JIS 20K, of diameters PNS 1/2 ~48, DN 15~1200mm, and of working temperature -196 degree ~540 degree, to prevent the medium from return.

Standards:
1. Design and manufacture: API 594, API 6D
2. Face to face: API 594, API 6D, DIN 3202
3. Pressure-temperature rating: ASME B 16. 34
4. Inspection and test: API 598, API 6D
5, End flange dimension: ASME B16. 5, ASME B16. 47, API 605, MSS SP-44, ISO 7005-1, DIN 2543~2548, JB/T74~90, GB/T9112~9124, HG20592~20635, SH 3406, GB/T 13402

Structure features:
1. It is short in face to face dimensions, being 1/4 ~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 for installation and available 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.

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