China API 6D Fully Welded Trunnion Ball Valve

Ball Valves: API 6D Trunnion Ball Valve

Main Feature:
The fully-welded ball valve adopts forged material, welded body, instead of bolts and nuts, to aviod any potential leakage from body.

The forged body with regular structure and even thickness can avoid shrinkage cavities, pin holes, cracks, sand holes and other defects occurring to casting body valves.

Fully-welded ball valves can be spherical and cylindrical type. Usually the spherical type has only one welding seam on the body, the cylindrical type has two welding seam on the body.


Standard for gate valves:
The ball valve are designed in accordance with ISO14313,API 6D;
Simple structure with good tightness and small torque;
With a fully-welded valve body, full bore and the minimum flow resistance (zero actually);
Emergency sealant injection;
Cavity pressure self relief;
Low emission packing;
Fire safe, anti-static and anti-blowout stem design;
Valve seat function DBB, DIB-1, DIB-2;
Optional extended bonnet;
Optional overlay stainless steel on body to seat surface and/or gasket container surface;
Be able to be used for underground installation without corrosion of interior parts, therefore, it is the best application for petroleum and natural gas line systems;
Service life up to 30 years.


Our Advantages:
1.We Are Factory: FYV has 3 production bases and 1 foundry which located in Wenzhou, Shanghai and Lishui city of China. The Factory Size in Square Meters : 110,000. FYV has over 600 staff members, more than 60 technical engineers, a digital process center and more than 350 sets of various middle and large equipments. The annual sales revenue reaches above $80 million US Dollars.
2. Regional Sales: We provide specialized sales service refers to different kind of region all over the world. Each sales team member is good at the local language and well experienced to the responsible market. For example: Russian, German, Spanish, Japanese, etc.
3. Low MOQ: Our factory owns the casting company by itself. We are always ready for providing the sample and producing some small orders, in order to meet the business well.
4. OEM Accepted: We can make the products with the client's demand standard or the custom requirement.
5. Complete Service: We are always ready to hear from you, be responding to your enquiry immediately. Our trade manager is always online for you.
6. Good Quality: We have strict quality control system and amounts of testing equipments for different kind of valve, such as size, pressure, working environment etc. We are winning the market reputation with the time goes by.
7. Quick Delivery: We have the large stock for some hot products.
8. Competitive Prices: We are the manufacturing company which not only has our own manufacturing workshop, but the casting company as well. We provide the straight factory price and service to our customer.

We are the professional manufacturer of Ball Valve.



Fangyuan Valve Group has a series of quality control system.