Non return valves is often used in hydraulic systems, allow fluid(all oil, water, gas) to flow in one direction, prevent them from flowing in the other. Hydraulic check valves, are flow control devices, to eliminate potential damage caused by fluid back pressure.
Hydraulic non-return valves is available in straight, a variety size, pressure ratings, flow capacities and crack pressures.
Jiayuan non-return valves with nominal pressure ratings up to PN 420 bar, offer a wide range of DIN 24°cone types, making them very flexible.
The variety of types including:
DIN tube 24°cone connection both ends
DIN tube 24°cone connection to male stud
Female thread Port both ends
Features/ benefits of non-return valves:
The precise functioning of non-return valves has been proven for the reliability.
Combined soft and metal sealing.
sealing at cone extends the safety of the product and the entire hydraulic application.
The usage of non-return valves is flexible due to the wide range of items.
For yet more applications, internal parts in stainless steel with FPM are also available.
Non-return valves are all packed against contamination.
The non return valves are available in steel with Cr(VI)free surface, stainless steel and brass. Seals in NBR or FKM are available on request.
The non return valve assembly diagram as follows:
1 is poppet, 2 is sealing disc, 3 is cover disc, 4 is spring, 5 is passage disc, 6 is eolastic sealing 7 is o-ring.
Drawing sizes as follow:
CONNECTION STYLE: 24°Cone end, Female BSPP thread (ISO 1179-1).
CONNECTION 1 TUBE O.D. (MM): 06 to 38.
FLOW DIRECTION: Port to Tube, Tube to Port
FITTING MATERIAL: Steel, Chromium-6 Free, Stainless steel.
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