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Hydraulic slow closing LLDPT Lined check valves
Oil & Gas

BW Ends Large Size Fully Welded Ball Valves

YFL BW Ends large size fully welded ball valves with fully welded body are normally installed above ground in long distance pipeline for Oil & Gas transportation.
  • Size:

    2''-48'', DN50-DN1200
  • Pressure:

    150lbs-2500lbs, PN10-PN420
  • Body:

    A105, LF2, F304, F316
  • Operation:

    Manual, Elecltric , Pneumatic, Gas over oil
  • Face to Face:

    ASME B16.10
  • Test:

    ISO 5208, API 6D, API 598
  • Connection Ends:

    BW Ends
  • Design standards:

    API 6D, ISO 14313, ASME B16.34
  • products details

YFL BW ends large size fully welded ball valves are welded to the pipeline to ensure there is no any leakage point between connection valves and pipes. And the valve body and cover are also connected by welded not bolted, so that the fully welded ball valve doesn't have any leakage point. The size of the fully welded ball valves can be up to 48''(DN1200).

YFL fully welded ball valves technical features:

1. Forged body without casting defect
2. Cylindrical body with two welding seams or spherical body with single welding seams available
3. Extended stem for underground installation avaliable
4. Flanged ends and BW ends available
5. Manual, Pneumatic, Electric, Electro-hydraulic available
6. Bare stem with ISO 5211 mounting flange as request


BW ends fully welded ball valves production


BW ends fully welded ball valves with welded pipes


DN1200 Large size fully welded ball valves


LF2 BW ends fully welded ball valves


Pneumatic-hydraulic fully welded ball 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 improve process for your projects.

For more solutions, please visit www.YFLvalve.com and contact YFL at sales@YFLvalve.com.

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