Supplier of Wafer Check Valve from Wenzhou, China by YongjiaKolinkValveCo.Ltd.

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Wafer Check Valve

Manufacturer of Wafer Check Valve offering High Quality Dual-plate Wafer Check Valve Supplier, Single-plate Wafer Check Valve, Non-return Valve, Double Check Valve, Swing Check Valve, etc.

Dual-plate Wafer Check Valve

Wafer Check Valve -> Dual-plate Wafer Check Valve Dual-plate check valves are are bonnetless and mounted between pipe flanges (wafer style). In this case, the valve includes two spring loaded half-moon shaped discs that rotate about their shaft. The actual designs of these valves vary between design models and manufacturers. Most have multiple flat seats. The dual-plate check valve disc has short rotational disc travel and responds quickly to flow stoppage or reversal, thus the potential for moderate water hammer does exist. It is somewhat better than the swing check valve at minimizing potential water hammer, but with a much higher pressure drop. Depending on the design, maintenance effort ranges from relatively simple to difficult. All dual-plate check valves must be removed from the line to perform maintenance due to the bonnetless design. The dual-plate check valve also results in a higher pressure drop when compared to a tilting disc check valve of the same size. Features ofDual-plate Wafer Check Valves: One Piece Body DesignShort Face-to-faceInline Double PlateSpring-loaded Disc for Quick ClosureWafer End Standard, Flanged Ends Available Applicable Standards ofDual-plate Wafer Check Valves:a) Design&Manufacture: API 6D, API 594b) Face to Face: API 6D, ASME B16.10, EN 558c) Connection End: ASME B16.5, EN 1092, JIS B2220d) Test and Inspection: API 6D, EN 12266, API 598 Sizes: 2" - 48" or DN50 - DN1200Pressure Rating: Class150 - Class1500 or PN16

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Thin Type Single-Plate Wafer Check Valve

Wafer Check Valve -> Thin TypeSingle-plate Wafer Check Valve This thin type of single-plate wafer check valves are swing type, that performs the same with swing check valve with much less cost. The disadvantage of this single-plate wafer check valves is, the inside diameters of the valves can only meet 60-80% of Norminal Pipe Size(NPS), which limits the flow coefficient. Features of Thin TypeSingle-plate Wafer Check Valves:One Piece Forged Steel BodyShort Face-to-face (Thin Type)Reduced Bore, Swing PlateDisc Spring AvailableO-ring on Body AvailableApplicable Standards of Thin TypeSingle-plate Wafer Check Valves:a) Design&Manufacture:API 6D, API 594b) Face to Face: API 6D, ASME B16.10, EN 558c) Connection End: ASME B16.5, EN 1092, JIS B2220d) Test and Inspection: API 6D, EN 12266, API 598Sizes: 2" - 36" or DN50 - DN900Pressure Rating: Class150 - Class600 or PN16 - PN100Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc. Would you like to get more products information or order it, please call me, or click Inquiry Now to fill in the Form. It helps you get more informations you need to trade confidently with suppliers. Related products : Gate Valve Ball Valve Check Valve Globe Valve Butterfly Valve Knife Gate Valve.

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Flanged Dual-plate Wafer Check Valve

Wafer Check Valve-> FlangedDual-plate Wafer Check Valve Dual-plate check valves are are bonnetless and mounted between pipe flanges (wafer style). In this case, the valve includes two spring loaded half-moon shaped discs that rotate about their shaft. The actual designs of these valves vary between design models and manufacturers. Most have multiple flat seats. The dual-plate check valve disc has short rotational disc travel and responds quickly to flow stoppage or reversal, thus the potential for moderate water hammer does exist. It is somewhat better than the swing check valve at minimizing potential water hammer, but with a much higher pressure drop. Depending on the design, maintenance effort ranges from relatively simple to difficult. All dual-plate check valves must be removed from the line to perform maintenance due to the bonnetless design. The dual-plate check valve also results in a higher pressure drop when compared to a tilting disc check valve of the same size. Although most of the wafer check valves are installed between two flanges, and no need to be flanged type, some other applications may need flanged type wafer check valve for better alignment of valves. The flanged valve body could be cast or forged upon customer's requirement. Features ofFlangedDual-plate Wafer Check Valves: One Piece Body DesignShort Face-to-faceInline Double PlateSpring-loaded Disc for Quick ClosureFlanged Wafer End Applicable Standards ofFlanged

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Lift-plate Wafer Check Valve

Wafer Check Valve -> Lift-plate Wafer Check Valve Single-plate wafer check valves prevent reverse flow with disc movement that is parallel with the flow. With this design, the disc is always in the flow path. Discs are spring-loaded to assist in seating. These wafer type check valves are bonnetless and are installed between flanges. The type of check valve disc has very short disc travel and responds very quickly to flow stoppage or reversal, thus minimizing the potential for water hammer. It is somewhat better than the tilting disc check valve at minimizing potential water hammer, but with a higher pressure drop. Depending on the design, all wafer check valves must be removed from the line to perform maintenance due to the bonnetless design. The in-line disc design produces the most pressure drop when compared to other check valves of the same size. Features of Lift-plate Wafer Check Valves: One Piecel Body DesignShort Face-to-faceInline Lift Type PlateDisc Spring Available Applicable Standards of Lift-plate Wafer Check Valves:a) Design&Manufacture:API 6D, API 594b) Face to Face: API 6D, ASME B16.10, EN 558c) Connection End: ASME B16.5, EN 1092, JIS B2220d) Test and Inspection: API 6D, EN 12266, API 598Sizes: 2" - 36" or DN50 - DN900Pressure Rating: Class150 - Class600 or PN16 - PN100Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc. Would you like to get more products information or order it.

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Single-Plate Wafer Check Valve

Wafer Check Valve -> Single-plate Wafer Check Valve The single-plate wafer check valves are swing type, that performs the same with swing check valve with much less cost. The disadvantage of this single-plate wafer check valves is, the inside diameters of the valves can only meet 60-80% of Norminal Pipe Size(NPS), which limits the flow coefficient. Features of Single-plate Wafer Check Valves:One Piece Cast Steel BodyShort Face-to-faceReduced Bore, Swing Type Single PlateDisc Spring Available Applicable Standards of Single-plate Wafer Check Valves:a) Design&Manufacture:API 6D, API 594b) Face to Face: API 6D, ASME B16.10, EN 558c) Connection End: ASME B16.5, EN 1092, JIS B2220d) Test and Inspection: API 6D, EN 12266, API 598 Sizes: 2" - 36" or DN50 - DN900Pressure Rating: Class150 - Class600 or PN16 - PN100Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc. Would you like to get more products information or order it, please call me, or click Inquiry Now to fill in the Form. It helps you get more informations you need to trade confidently with suppliers. Related products : Gate Valve Ball Valve Check Valve Globe Valve Butterfly Valve Knife Gate Valve.

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