API 6D / BS 1868 Industrial Check Valve Absolute Bonnet Joint Leak Proof

High Pressure Seal Check Valve, Inch 1/2"～48" , Class900～Class 2500

Zaval high pressure seal check valve is suggested for better closure in high pressure condition, while bolted bonnet is still available for customer's option. The pressure seal design incorporates a metal-to-metal seal that becomes tighter as the pressure increases. The pressure seal valves are widely used in fossil fuel power plant. Compared with bolted bonnet valves, it provides absolute reliable sealing of the bonnet joint, so that the pressure seal valves are more compact and rigid as well as maintenance cost-effective at high temperature and high pressure service.

Design Features

1. Only one sealing face is designed on the valve body and valve disc,
2. Full stellite overlay seat sealing surface
3. Absolute bonnet joint leak proof.
4. Optional by-pass design.
5. Pressure Seal Cover
6. Internal Hinge Pin Design Standard
7. Through-body Hinge Pin Design Available
8. Extra Lever, Counter Weight and Damper Available

     Zaval is a professional manufacture & exporter of industrial valves which was founded in 2007. The factory located in Sanqiao Industrial Zone, Dongou Street, Yongjia city. The professional sales and service team started the business in valves from then on and has expanded the markets to many countries of the world. The products are of assured good quality and sensible price. Zaval’s commitment is to find the most suitable and economical products for customers. We take the quality and customer needs on the utmost position and strive to better serve for our valued customers. We conform to the latest standards and emphasize on managerial, technical and technological innovation. With an extensive network of sales, service and distribution, Zaval always respond to customer requests faster and more efficiently, offers an on-time delivery of various requirements for our customers.

     Zaval’s success is driven by: purchasing power, reliable partners, established engineering facilities and an advanced distribution system for guaranteed availability. Our in-house engineering, test and automation facility ensures that our clients have access to quality technical and customer support.