OHSAS 18001 certificate of occupational health and safety management system certification

Relevant certification of valves.

Relevant certification of valves. 1. ISO 9001 quality system certification. The role of the certification is to establish a quality […]

Triple Offset Butterfly Valves

National standard of butterfly valves

Butterfly valve national standard refers to the standard approved and issued by the national standardization authority and unified nationwide. The […]

National standard of butterfly valves

How to classify butterfly valves?

1. According to the driving mode: (1) Electric butterfly valve. (2) Pneumatic butterfly valve. (3) Hydraulic butterfly valve. (4) Manual […]

butterfly valve

The features of butterfly valve.

  1. Butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, […]