Piston Check Valve-Check Valve-Lift Check Valve

• Customization: Available
• Material: Cast Steel
• Connection Form: Flange
• Model NO.: Piston Check Valve
• Structure: Swing
• Function: Ddcv Double Lobe, Nrvr Silence, Sfcv Rubber Lobe, Nrvz Silence, Nrvg Silence
• Flow Direction: Unidirection
• Standard: NPT,Sw,RF,Rtj,Bw etc
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Structure.: Check
• Materials: Forged
• Medial: Oil,Ext
• Pressure..: Medium Pressure
• Origion: Tianjin
• Transport Package: Standard Plywooden Cases
• Specification: ANSI JIN GB
• Trademark: U-ideal
• Origin: China
• HS Code: 84813000
• Production Capacity: 2000PCS
• Package Size: 40.00cm * 30.00cm * 30.00cm
• Package Gross Weight: 10.000kg

Product Description

Product Description

Piston Check Valve-Check Valve-Lift Check Valve

 DIN/EN Piston Check Valve
Piston check valves are also called lift check valves. They are essentially globe valves without the stem and top works, allowing the disc to respond to flow rates and direction. The disc has linear movement and is typically body-guided with conical seating surfaces. Springs can be added above the disc to provide more closure force when the disc returns to its closed position. Some manufacturers include externally attached equalizer piping to increase the disc opening with lower flows. The equalizer pipe is an open-pressure communication device that maintains equal pressure above the disc and in the piping downstream of the disc.
 
Depending on the valve body configuration (Y-pattern, angle, or T-pattern), the pressure drop could be close to that of a tilting disc check valve or much higher. The disc of this check valve design is stable in any open position and can be used with a wide range of flow rates.
 
 
Features of DIN/EN Piston Check Valves:
Lift Spring Loaded Disc Design
Bolted Cover
Internal Hinge Pin Design Standard
Through-body Hinge Pin Design Available
Renewable Seat
Flanged or Butt-welding Ends
One-way flow Control

Applicable Standards of DIN/EN Piston Check Valves:
a) Design&Manufacture:BS 1868, ASME B16.34
b) Face to Face: EN 558, ASME B16.10
c) Connection End:  EN 1092, ASME B16.5, ASME B16.25
d) Test and Inspection: EN 12266, API 598, BS 6755

Sizes: 2" - 36" or DN50 - DN900
Pressure Rating: Class150 - Class2500 or PN16 - PN420
Material of Valve Body: WCB, LCB, WC6, WC9, C12, C5, CF8, CF3, CF3M, CF8M, etc.
 
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Related products : Gate Valve | Ball Valve | Check Valve | Globe Valve | Butterfly Valve | Knife Gate Valve
 

Size	1/2"~2"		Body material	Carbon steel,Forged, Stainless steel, brass, Alloy steel, etc
Rating	150lb-1500lb		Trim	Per API600
Pressure	Medium		End connection	NPT, SW, RF, RTJ, BW etc.
Temperature	Medium		Operation	Handwheel, Gear, Electric, Manual, Pneumatic, Hydraulic
Media	water/oil/steam/gas, etc.		Remark	Accept Customize, OEM

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