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Ceramic Knife Gate Valves solve abrasion problem in Power & Mining
Corrosion Resistant Valves

Weir Type Rubber Lined Diaphragm Valves

YFL Weir type rubber lined diaphragm valves adopt rubber materials for body lining and diaphragm to suit medium without  strong corrosiveness in different working temperature.
  • Size:

    DN15-DN400, 1/2''-16''
  • Pressure:

    PN6, PN10, PN16, 150lbs
  • Body:

    GG25, GGG40, WCB, CF8
  • Operation:

    Manual, Diaphragm Pneumatic, Electric
  • Test:

    BS6755, Spark test
  • Design standards:

    BS5156
  • Lining:

    NR, BR, CR, IIR
  • Diaphragm:

    IIR, NR, EPDM, NBR, CSPE, FKM, SI
  • products details

YFL rubber lined diaphragm valves have body lined with different rubber materials to be applied in different working temperature as follows:

1. Hard rubber/Ebonite/NR: -10℃—85℃
2. Soft rubber/BR: -10℃-85℃
3. Butyl rubber/IIR: -10℃-120℃
4. Neoprene rubber/CR: -10℃-105℃

Different rubber materials are also used to produce diaphragms of rubber lined diaphragm valves for different working temperature as follows:


1. Nature rubber/NR ≤ 85℃
2. EPDM ≤ 120℃
3. Nitrile/Buna-N/NBR ≤ 85℃
4. Hypalon/CSPE ≤ 120℃
5. Fluoroelastomer/VITON/FKM ≤ 150℃
6. Silicone rubber/SI ≤ 200℃

YFL rubber lined diaphragm valves features:

1. As open and close component, the resilient rubber diaphragm makes sure the sealing with zero leakage.
2. Weir type and straight type body are available.
3. Stream type flow passageway reduces the pressure loss.
4. The diaphragm protects the bonnet and stem from corrosion caused by medium.
5. Body is lined with rubber materials to be suit general corrosive medium without very strong corrosiveness.
6. Diaphragm can be replaced easily.
7. Various accessories are optional for pneumatic operation to realize different function and meet different requirements: signal feedback, limit switch, positioner, air filter and regulator and solenoid valve etc.


Rubber lined diaphragm valves


Pneumatic rubber lined diaphragm valves


Why Choose YFL?

1. Experienced in providing best solutions according to various sever working conditions to solve problems
2. Strict quality control from raw materials, 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. Customizable, Flexible,  Short delivery time

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. "  

YFL for 誉丰利 means benefiting from reputation.

We cast brand and forge reputation by quality and service.

We focus on your satisfaction and our responsibility.

Let‘s solve problems and create values for your projects.

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Let's solve problems and create values for your projects.
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