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YF-B32H1 African  Relief Valves

YF-B32H1 African  Relief Valves

YF Series Relief Valves Instructions for use Pressure adjustment, loosen...
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Product Description

YF Series Relief Valves Instructions for use Pressure adjustment, loosen lock nut, hand wheel clockwise to boost, counterclockwise rotation for the buck. Pressure setting should tighten the lock nut. When using a remote control, control the tube inner cavity too prone to vibration. So the pipe diameter should be as small as possible ( below 4mm). Oil return pipe and other valve oil return pipe is connected, directly back to the tank. If not to join back pressure cannot be greater than 0.15MPa. Threaded connection form of the valve with two oil inlet. When for use, can be any mouth as an oil inlet, another is as the oil outlet pipe of the valve receives, also plays a role in the three joint. It also can take an entrance, connected to the bypass. YF Series Relief Valves Model Code:PS: YF-L10H1-S (S means Shanghai Type) YF Series Relief Valves Working Pressure Range:

YF Series Relief Valves Model List:


RELIEF VALVESYF-B32H1 Relief Valves
Parker pressure relief valves are designed such that when upstream pressure exceeds the closing force exerted by the spring, the lower stem opens, permitting flow through the valve.
Constant pressure overflow function: In the quantitative pump throttling system, the quantitative pump provides a constant flow. When the system pressure increases, the flow demand will be reduced. At this point the relief valve open, so that excess flow back to the tank, to ensure that the relief valve inlet pressure, the pump outlet pressure is constant (the valve port often with pressure fluctuations open).
Regulating effect: the relief valve in series on the return line, the relief valve to produce back pressure, moving parts increased stability.
System unloading effect: In the remote control port of the relief valve series of small flow of the solenoid valve, when the electromagnet power, the relief valve remote control port fuel tank, hydraulic pump unloading. The relief valve is used as an unloading valve at this time.
Safety protection: When the system is working properly, the valve closes. Only when the load exceeds the specified limit (the system pressure exceeds the set pressure) to open the overflow, overload protection, the system pressure is no longer increased (usually the relief valve set the pressure than the system maximum working pressure 10% to 20% ).
Practical applications are generally: for unloading valve, for remote pressure regulator, for high and low pressure multi-stage control valve, for the sequence of valves, used to produce back pressure (string in the oil on the road).
Relief valve generally has two kinds of structure: 1, direct-acting relief valve. 2, the pilot relief valve.
The main requirements of the relief valve: large voltage range, voltage deviation is small, the pressure vibration small, sensitive action, overload capacity, noise.
YF-B10H1
YF-B10H1-S
YF-B10H2
YF-B10H2-S
YF-B10H3
YF-B10H3-S
YF-B10H4
YF-B10H4-S
YF-B20H1
YF-B20H1-S
YF-B20H2
YF-B20H2-S
YF-B20H3
YF-B20H3-S
YF-B20H4
YF-B20H4-S
YF-B32H1
YF-B32H1-S
YF-B32H2
YF-B32H2-S
YF-B32H3
YF-B32H3-S
YF-B32H4
YF-B32H4-S
YF-L10H1-S
YF-L10H2
YF-L10H2-S
YF-L10H3
YF-L10H3-S
YF-L10H4
YF-L10H4-S
YF-L20H1
YF-L20H2
YF-L20H3
YF-L20H4
YF-L32H1
YF-L32H2
YF-L32H3
YF-L32H4

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