standard flange globe valve design specification -凯发彩票

design of all parts of the globe valves
1. valve cover gasket form
class150 globe valve adopts stainless steel graphite composite gasket;
the class300 globe valve adopts stainless steel graphite wound gasket;
the class600 globe valve can be made of stainless steel graphite wound gasket or metal ring gasket.
class900 globe valves with metal ring gaskets;
the class1500 / class2500 globe valves are sealed with self-pressure sealing ring.


2. valve body and bonnet joint form
plug valve cover bb, body cover weld bw, self-pressure sealing valve cover ps


3. spring loaded packing impact system
according to customer's requirement, the durability and reliability of packing seal are improved by spring loaded packing impact system.



4. reverse seal design
rui tong valve globe valve using inverted sealing design of production, under normal circumstances, the carbon steel globe valve seat design uses separate sealing structure, stainless steel valve sealed direct processing or processing after welding.
when the valve is fully open, the sealing cover is very reliable.


5. stem design
rui tong valve globe valve is made from the stem with integral forging process, the valve stem through surface nitriding treatment and conditioning, with good corrosion resistance, abrasion resistance and wear resistance, according to the standard requirements to determine the minimum diameter, stem and disc structure of t connection.