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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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Internal thread ammonia stop valve Shanghai ammonia valve manufacturers have long supplied internal thread ammonia stop valves, threaded ammonia stop valves, welded liquid ammonia stop valves, flange ammonia stop valves. Long accumulated experience enables us to quickly handle and solve more technical difficulties Consult immediately View details -
Bellows ammonia stop valve The corrugated pipe ammonia stop valve is also called the corrugated pipe ammonia stop valve. If the corrugated pipe fails, the PTFE sealing packing of the valve stem will also avoid leakage, ensure zero leakage of the valve stem, and provide conditions without maintenance. ..... Consult immediately View details -
Bellows stop valve for ammonia The corrugated pipe stop valve for ammonia is also called the corrugated pipe ammonia stop valve. It is made of foreign metal corrugated pipe sealing technology, high performance elastic metal corrugated pipe, and has a very long telescopic fatigue life; It completely eliminates the disadvantage of aging and quick leakage of ordinary valve stem packing seal Consult immediately View details -
Stop valve for method blue ammonia Yonglong ammonia valve has realized the integration of R&D, design, process and application technology support business. The special method for refrigeration and cold storage, blue ammonia stop valve, is widely used in chemical industry, power, environmental protection, fertilizer, food, cooling system, industrial refrigeration and heating, commercial refrigeration and cold storage Consult immediately View details -
Ammonia stop valve Shanghai ammonia stop valve manufacturer once again proposed new product series: zero leakage ammonia stop valve, self sealing ammonia stop valve, and reverse sealing ammonia stop valve. The products can meet the zero leakage standard to ensure the stability of the daily operation of the enterprise's ammonia station Consult immediately View details -
Stainless steel stop valve for ammonia Shanghai Yonglong stainless steel ammonia stop valve adopts non rising stem structure design, with reverse sealing function and zero leakage quality. The packing is V-shaped and double 0-shaped seal ring design, and sealing PTFE replaces Hastelloy (tin base bearing alloy), extending service life Consult immediately View details
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