Piston Valves By Materials

SQK ASTM A351 gr CN7M Alloy 20 Valves are made up of an austenitic stainless steel grade that is often used as equivalent to Monel 400 grade in making valves. The material has 19% chromium minimum with cobalt, carbon, copper, manganese, molybdenum, 32% nickel phosphorus, sulfur, silicon and tantalum in the composition.

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SQK A216 WCB Cast Carbon Steel Piston Valve is carbon steel castings for valves, flanges, fittings, or other pressure-containing parts for high-temperature service and of quality suitable for assembly with other castings or wrought-steel parts by fusion welding.

SQK A217 WC6 Cast Alloy Steel Piston Valve are made up of the WC6 material. The specification ASTM A217 includes a low alloy steel group of molybdenum and chromium molybdenum steels. The WC6 material is 1 ¼ chromium ½ molybdenum steel.

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SQK A217 WC9 Cast Alloy Steel Piston Valve are made under ASTM A217 specification which covers low alloy valves that can operate under high temperatures and pressures. The alloy group can be made up of carbon, manganese, phosphorus, sulfur, silicon, chromium and molybdenum in the composition.

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SQK A351 CF8 Stainless Steel Piston Valve are made up of a material that has carbon, manganese, silicon, sulfur phosphorus, 18% chromium, 8% nickel and molybdenum in the composition. The material has high strength, pressure capacities and high operating temperatures.

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SQK A351 CF8M Cast Stainless Steel Piston Valve Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800A F/427A C.

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SQK A351 CF3 Cast Stainless Steel Piston Valve Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800F/427C. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life. Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

SQK A351 CF3M Cast Stainless Steel Piston Valve Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800F/427C. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life. Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

SQK A105 Forged Carbon Steel Piston Valve Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800F/427C. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life. Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

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SQK A182 F304L Stainless Steel Piston Valve are Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800oF/427oC. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life.Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

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SQK A182 FSS16 Stainless Steel Piston Valve are Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800F/427C. The burnished piston and metal reinforced graphite rings provide leak-proof shut off and allow Piston Valves to be operated at higher temperatures, while also extending operating life. Piston Valves are available in Socket Weld, BSPT, and NPT end connections. Flanged ends can be supplied upon request. Piston Valves are ideal for saturated and superheated steam, and hot water applications.

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SQK A182 F304L Stainless Steel Piston Valve are Compatible with ASME; Resistant to cavitation; All sealing valve components may be easily replaced in-line; Long-term operation

SQK A182 F316L Stainless Steel Piston Valve Full port forged steel isolation valves with a maximum operating pressure of 1973 psig/136 Barg and a maximum operating temperature of 800F/427C.

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SQKL A182 F51 Duplex Stainless Steel Plug Valve pressure balance lubricated plug valves are metal seated valves providing a tight shut off