Fully Metal Seated Bidirectional Butterfly Valves

YFL Fully Metal Seated Bidirectional Butterfly Valve have metal to metal seal to suit the high temperature in district heating system.


  • Design standardsAPI609
  • Connection EndsWafer, Lug, Flange, BW
  • TestAPI 598
  • SeatSS304, SS316, Stellited
  • Ball / DiscWCB, CF8, CF8M, 4A
  • BodyA105, WCB, F304, CF8, F316, CF8M
  • PressurePN6-PN260, 150lbs-1500lbs
  • SizeDN50-DN1400, 2''-56''

YFL Fully Metal Seated Bidirectional Butterfly Valves are widely used to overcome the high temperature in the applications as follows:


1. Thermal power plant
2. Heat exchange station
3. Regional boiler room
4. Hot water pipe network
5. Steam pipeline 
6. Cooling water system


YFL Fully Metal Seated Bidirectional Butterfly Valves Features:

1. The disc seal ring is fully metal without flexible graphite;
2. Fully metal disc seal ring and metal body seat achieve fully metal to metal seal structure to avoid leakage in high temperature;
3. The body seats tighten by bolts can be replaced easily;
4. Bidirectionl seal suitable for applications where the medium will flow in two directions;
5. Triple offset disc structure avoids friction between disc seal ring and body seat during operation to prolong the working life;
6. Wafer ends, lug ends, Butt-welded ends, flange ends are available.


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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Product Tags high temperature valve          high temperature solenoid valve          high temperature gate valves          high temperature butterfly valves          high temperature ball valves          high temperature check valve          high temperature gas valves          high temperature rotary valves          high temperature relief valve         

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