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Shut off valve -
Drain valve -
Electro hydraulic valve -
Fire retardant breathable cap -
Ammonia stop valve -
globe valve -
Flame arrester -
Needle valve -
Low temperature valve -
Solenoid valve -
Other valves
Contact Yonglong
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Mobile: 15900658318 -
Fax: 021-57568296 -
Email: 1257073858@qq.com -
Address: Nanting Highway, Fengxian District, Shanghai -
2788
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XD371X-16Q signal butterfly valve XD371X-16Q signal butterfly valve combines the wafer type butterfly valve with the travel switch (signal feedback). Through the signal output of the travel switch, it displays the opening and closing status of the butterfly valve, which is used in the fire protection system, water supply system, sewage system and other pipeline systems that need to display the valve opening and closing status Consult immediately View details -
Skid mounted pull off valve Shanghai pull off valve supplier: skid mounted pull off valve, also known as safety pull off valve, loading arm pull off valve and emergency pull off valve, is a special protection device for loading arm, quantitative loading system and skid mounted hose to prevent leakage due to operation error or sliding Consult immediately View details -
Pneumatic diaphragm single seat regulating valve Pneumatic diaphragm single seat regulating valve is mainly composed of air chamber, diaphragm, thrust disc, spring, push rod, adjusting nut, valve position scale, valve stem, valve core, valve seat, stuffing box, valve body, valve cover, sealing ring, fastener and support, etc Consult immediately View details -
Double eccentric high-performance soft sealing butterfly valve The structure of the wafer type double eccentric high-performance soft sealing butterfly valve is characterized by the deviation of the stem axis from the center of the butterfly plate, so that the upper and lower ends of the butterfly plate no longer become the rotation axis, which disperses and reduces the excessive extrusion between the upper and lower ends of the butterfly plate and the valve seat Consult immediately View details -
Double eccentric pneumatic high-performance butterfly valve Shanghai Yonglong double eccentric pneumatic high-performance butterfly valve and soft seal pneumatic high-performance butterfly valve are specially designed for foreign agent processing business. The valve seat seal has no leakage after 600000 no-load tests. The high-performance butterfly valve has excellent cutting performance and durability. It is small in size, light in weight, wide in manufacturing range, and easy to repair and maintain Consult immediately View details -
Wafer type pneumatic high-performance butterfly valve The double eccentric butterfly plate with spherical sealing surface is adopted for the double clip pneumatic high-performance butterfly valve, which is matched with a single piece of flexible lip RPTFE seal seat. It is suitable for occasions where reliable sealing and good adjustment characteristics are required Consult immediately View details
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