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Hydraulic slow closing LLDPT Lined check valves
Mining

Balanced Bellows Safety Valves for Corrosive Mining Slurry

YFL Balanced bellows safety valves are designed to be suitable for poisonous, flammable or corrosive medium. It is also used for pressure equipments with unstable back pressure.
  • Size:

    3/4''-16''
  • Pressure:

    150lbs-2500lbs
  • Body:

    WCB, WC6, WC9, LCB, CF8M, CF3M, Monel
  • Test:

    API 527
  • Design standards:

    API 520, API 526
  • Nozzle:

    304, 316, Monel
  • Spring:

    Alloy steel, Stainless steel
  • Bellows:

    316L
  • products details

YFL Balanced bellows safety valves have closed type bonnet and bellows above the disc to be secondary seal so that there won't be outside leakage of the poisonous, flammable or corrosive medium from the safety valves.

When the back pressure of the safety valve is in the rang of 10% to 50% of the setting pressure, the balanced bellows safety valve should be used to make sure there won't be open problems caused by back pressure.

When the back pressure is variable, the opening pressure of common safety valve will also be variable. To solve the problem, balanced bellows safety valve is highly suggested. The effective area of the bellow is almost the same as the seating area of the disc above the nozzle. The opening pressure of the balanced bellows safety valve doesn't depend on the the back pressure.


Balanced bellows safety valves for mining slurry


Why Choose YFL?

1. Experienced in providing best solutions according to various sever working conditions to solve problems
2. Strict quality control from ceramic raw materials production, ceramic parts machining to pressure test and function test
3. Professional technical support and fast response trouble shooting
4. Approved & Registered vendor of Glencore & Umicore
5. Successful cases and reference list available
6. Short delivery time, no min. order request

Testimonials from Glencore in Mining industry

"We are very happy with the results so far, and the valves seem to be top quality.
You must understand that this factory has some of the world's toughest conditions with regards to abrasive and corrosive solutions. We dissolve metals and most products and suppliers we tested in our applications failed. "  


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We cast brand and forge reputation by quality and service.

We focus on your satisfaction and our responsibility.

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