Swing Check Valve
Swing Check Valve
Swing check valve is a kind of one-way valve, suitable for preventing backflow of fluid. Its valve flap rotates around the hinge to open or close. When the fluid flows in the positive direction, the valve flap opens; when the fluid flows backwards, the valve flap closes automatically to prevent backflow.
Technical Specifications
Materials:
Body:
Cast Steel：
ASTM A216 WCB, WCC | ASTM A352 Gr. LC3, LCB | ASTM A217 gr.B, C5, C12, WC6, WC9, WC12
Stainless Steel:
ASTM A351 CF8, CF3, CF8M, CF3M, CK20, CG8M, A351 CK3MCuN etc.
Duplex:
A890 Gr.4A, Gr. 6A (SAF2205, 2507 etc.)
Nickel Alloy:
Monel 400 | Inconel 600, 625 | Hastelloy C27, C22, B2 | Incoloy 800/800HT, 825 etc.
Ball:
ASTM A105 w/ENP | ASTM A350 Gr. LF2 w/ENP | ASTM A182 Gr. F316 | ASTM A182 Gr. F316 w/ENP
Stainless Steel | Duplex SS | Nickel Alloy etc.
Seat:
RPTFE | Nylon | Davilon | PEEK | Tek-Fil® | TFM
Stem:
ASTM A479 Type 410 | 17-4PH | XM-19 | ASTM A182 F316 | Stainless Steel | Duplex SS | Nickel Alloy etc.
Caliber Range
1/2“ to 60” | DN15 to DN1500
Pressure Range
Class150 to 2500 | PN10 to PN420
Operating Temperature
-196℃ to 560℃ | -320.8℉ to 1040℉
Connection
RF | RTJ | BW
Design Standard
BS1868 | ASME B16.34 | GB/T 12236
Design Standard
-60℃ to 200℃ | -76℉ to 392℉
Features And Benefits
This kind of valve is through the valve plate around the valve seat above a pivot rotation to control the valve open and close.This is a kind of automatic valve, is through the pipeline medium flow by itself to produce the thrust to open and close the valve.The main function of this kind of valve is to prevent the pipeline medium backflow.
Excellent Sealing Performance
Reliable sealing performance, effectively preventing leakage and adapting to a variety of working conditions.
Small Flow Channel And Low Fluid Resistance
The design of smaller fluid passages reduces fluid resistance and improves the efficiency of media passage.
Swing-open Gate
Equipped with a rotary gate structure to ensure smooth flow control and simple operation.
Shock Absorbing Cylinder Design
With shock absorbing cylinder, effectively reduce vibration and noise, enhance the operating comfort.
Quick-closing Valve Plate
The valve plate can be closed quickly, reducing the closing time and improving operation efficiency.
Low Shock Closing
Designed to minimize shock during closure, protecting the piping system and extending equipment life.
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