The highest service temperature of applicable medium for gray iron valve body and bonnet is 250℃;Malleable iron body, valve cover applicable medium maximum service temperature is 300℃

API Symbol Certification Specification Update, API Std 608 Metal Ball Valves - Flanges, Threads and Welding Ends, 6th Edition was published in January 2020.

Globe valves are designed to be low in and high out in order to reduce flow resistance and save effort in opening valves

Temperature of packing and gasket commonly used in valves

Material comparison of several commonly used rubber sealing rings for valves

Features and selection of various valve actuators

Stainless steel valves have many industry advantages over traditional valves

The valves are indispensable for the conventional water production process in water plant, such as raw water intake

Leakage of valve body and bonnet: Causes: 1. Low casting quality of cast iron, defects of sand eyelet, loose structure and slag inclusion on valve body and bonnet body 2. Freezing cracking within days;

High performance rubber liner butterfly valve is a well-structured butterfly valve, which is especially suitable for regulating or switching the flow and pressure of various tap water...

Heat treatment technology is an important means to obtain good properties of various metal materials.In many practical applications, reasonable selection of materials and various forming processes can not meet the mechanical properties...

ISO 9001 quality system certification, ISO 14001 environmental management system certification, OHSAS 18000 occupational health and safety management system certification, eu CE certification, pressure vessel PED directive, API certification...