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Best Price for Valve Doctor - Dual Wafer Check Valves – 3E

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Using a complete scientific high quality management program, superior high quality and superior faith, we acquire great reputation and occupied this industry for Italian Ball Valve , Heavy duty valve , valve x ray , We put honest and health as the primary responsibility. We have a professional international trade team which graduated from America. We are your next business partner.
Best Price for Valve Doctor - Dual Wafer Check Valves – 3E Detail:

Product Description

Product description

Double-clack check valve

Model

Hn76H-double-clack check valve

Nominal diameter

NPS 2”~60”(DN50~DN1500)

Operating temperature

-29℃~593℃(the range of service temperature may vary for different materials)

Nominal pressure

CLASS 150~2500 (PN20~PN420)

Material

Main material: A890 4A(CD3MN)、A216 WCB、WCC; A217 WC6、WC9

;B 148 C95800、C95500, A351 CF8、CF8M、CF3、CF3M,etc.

Design standard

API 6D、API 594、ASME B16.34

Structural length

API 6D、API 594

Connecting end

ASME B16.47、ASME B16.5

Test standard

API 598、ISO 5208

Operation method

The valve clack is automatically opened and closed under the medium force to prevent flowing to another direction.

Application fields

For application fileds- petroleum refining, petrochemical engineering ,electric power industry , offshore oil, chemical engineering, etc.

Other remarks 1

Short closing travel of valve clack, and small impact at valve closing; short structural length, most suitable for positions with limited mounting space

Other remarks 2

Due to loading of spring, the valve clack can move flexibly without jamming, and has a good sealing performance.

Other remarks 3

Suitable for medium backflow prevention in pipeline or device

Other remarks 4

Built-in pin roll, without external leakage point

Available retainer type and retainerless type

Testing is available including

All bodies and plates certified to EN 10204 3.1 as a minimum

Surface finish to MSS SP-55 on cast components

All valves are hydrostatically tested as per API 598

Hydrostatic pressure testing up to 15,000psig

Tensile/Bend/Impact/Hardness testing

Magnetic particle test

Dye Penetrant test

Ultrasonic examination

Chemical analysis

Positive material identification(PMI)

Ferrite content verification


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We continuously execute our spirit of ''Innovation bringing development, Highly-quality ensuring subsistence, Management advertising and marketing gain, Credit history attracting buyers for Best Price for Valve Doctor - Dual Wafer Check Valves – 3E, The product will supply to all over the world, such as: Portugal, Luxembourg, Sweden, So far our merchandise have been exported to east Europe, the Middle East, Southeast, Africa and South America etc. We have now 13years experienced sales and purchase in Isuzu parts at home and abroad and the ownership of the modernized electronic Isuzu parts checking systems. We honor our core principal of Honesty in business, priority in service and will do our best to provide our customers with high quality items and excellent service.
  • In China, we have purchased many times, this time is the most successful and most satisfactory, a sincere and realiable Chinese manufacturer!
    5 StarsBy Brook from Albania - 2017.04.08 14:55
    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 StarsBy Hazel from Colombia - 2018.11.04 10:32

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