Specification and standard of eccentric hemisphere valve

Product selection

Due to the choice of different alloy (or combination ball) bimetallic sealing pairs for surfacing, they can be used in the working conditions of wear resistance, corrosion resistance, high temperature resistance and strict sealing.
1. Universal valve: specification: DN40-1600. Suitable for sewage treatment, paper pulp, urban heating and other places with strict requirements;  
2. Special valve for petrochemical industry: specification DN40-1600. It is suitable for crude oil, heavy oil and other oil products, weak corrosion and two-phase mixed flow media in chemical industry;  
3. Gas special valve: specification DN40-1600. It is applicable to the transmission control of coal gas and liquefied gas;  
4. Slurry special valve: specification DN40 － 1600. It is suitable for industrial pipeline transportation of liquid, solid two-phase mixed flow or chemical reaction with crystallization or scaling in liquid transportation;  
5. Special valve for pulverized coal ash: specification DN40-1600. It is applicable to the control of power plant, hydraulic slag removal or gas transmission pipeline.
 

Executive standards

Design: GB12237 － 89
Flange connection: GB/T17241.6-1998, GB/T9115 (steel)
Structure length: GB12221-89
 

performance parameter

Connection size