D371X Worm Gear Clamp Check Valve Butterfly Type Simple Compact Structure

Product parameters:

1. Standards and design specifications

Design standard: GB/ t12238-1989,lS0 10631-1994 or BS en593-1998

Flange connection dimensions GB/T17241.6-1998,IS0 7005-2 or BSEN 1092-2002

Structural length: GB/T1 2221-1989,lS0 5752-1988 or BS en558-1

Pressure test: GB/ t13927-1 99,JB/ t9092-1999, lS0 5028-1993 or BS 6755-l-1986

1, simple and compact structure, small and light, easy to disassemble and repair, and can be installed at any location
2, 90 degrees of rotation, open and close quickly
3. The flow characteristics tend to be straight, and the adjustment performance is good
4, choose different parts material, can be applicable to a variety of media
5, there are worm gear transmission, electric, pneumatic, manual and other driving methods
6, 100% no leakage: each butterfly valve is through the front and back of the intelligent pressure testing machine pressure testing pressure is 2.0mpa, the national standard of 1.76mpa, each valve 4 sealing ring +1 o-ring, 5 sealing layers check.
7, a variety of standards for choice: the valve body is solid body, from the weight of the ordinary butterfly valve is 1.5 times the ordinary butterfly valve, the factory has more than 150 kinds of body mold, and with the United States standard, German standard, day standard and other valve mold
8. High strength of the butterfly plate: the butterfly plate is ball grinding nickel-plated butterfly plate, solid, wear-resistant, and can be pressed to 30 Kg without cracking.
9, stem is not easy to rust: stem: cold drawn steel material, galvanized surface, smooth and not easy to rust, effectively reduce friction between the stem and the sealing ring, reduce torque
10. Complete types, giving customers a number of choices: customized valve body and butterfly plate according to different requirements of customers: nodular iron, cast steel, stainless steel 304, 316;Stainless steel 304, 316, 316L valve shaft;Epdm, butadiene rubber and so on