Product discription: Size: 2"--32" or DN50--800mm Pressure: PN1.0--2.5MPa or Class 150--300lbs Material: Cast iron, cast steel, carbon steel, stainless steel. Technical standard: APT 6D, APT 598, ANSI B 16.10, ANSI B 16.5 Applicable Medium: Oil, water, etc. 1. Use of double-chamber diaphragm drive mechanism instead of piston type, which is featured by no moving abrasion, no water leakage resulted from sundries, not sensitive to sludge deposition, no need of lubrication and no mechanical abrasion. 2. Outstanding performance, rubber lined disc, inclined placket of valve seat, and no deposition of sludge and sundries. 3. Low drive medium pressure, no need of a pressurizing pump or air compressor, use of liquid control selector valve, hand-operated 4-way selector valve or electric 4-way selector valve under integrated control, and easy control and operation. Note: We accept design and manufacture of various non-standard valves and arrange production according to users' supplied drawings and samples.
