High Flow Single Stage Diaphragm High Pressure Reducing Valve
High Pressure Reducing Valve Introduce
The pressure-reducing valve is designed to be healthy and safe, to prevent danger and equipment failure caused by pressure. The external design has transparent windows to observe the overflow, and the pressure setting can be achieved through the upper handwheel. Debugging can be seen clearly through an external pressure gauge.
The pressure-reducing valve is a valve that reduces the inlet pressure to a certain required outlet pressure through adjustment and relies on the energy of the medium itself to keep the outlet pressure automatically stable. From the point of view of fluid mechanics, the pressure-reducing valve is a throttling element whose local resistance can be changed, that is, by changing the throttling area, the flow velocity and the kinetic energy of the fluid are changed, resulting in different pressure losses, so as to achieve the purpose of decompression. Then rely on the adjustment of the control and regulation system to balance the fluctuation of the post-valve pressure with the spring force, so that the post-valve pressure remains constant within a certain error range.
Stainless steel pressure-reducing valve adopts a single-stage diaphragm structure, stainless steel diaphragm pressure transmission, stable output pressure, small installation space, suitable for pure water, ultrapure water, corrosive liquid, gas, natural gas, etc.
Can be panel mounted,
Scope of application: laboratories, petrochemical industry, testing equipment, etc.
High Pressure Reducing Valve Performance
(1) Pressure regulation range: It refers to the adjustable range of the output pressure P2 of the pressure-reducing valve, and the specified accuracy is required to be achieved within this range. The pressure-regulating range is mainly related to the stiffness of the pressure-regulating spring.
(2) Pressure characteristics: It refers to the characteristics of output pressure fluctuations caused by input pressure fluctuations when the flow rate g is a constant value. The smaller the output pressure fluctuation, the better the characteristics of the pressure-reducing valve. The output pressure must be lower than the input pressure—a fixed value basically does not change with the input pressure.
(3) Flow characteristics: It refers to the persistence of the input pressure-timing and the output pressure changes with the change of the output flow g. When the flow rate g changes, the smaller the output pressure change, the better. Generally, the lower the output pressure, the smaller its fluctuation with the output flow.
High Pressure Reducing Valve Main Technical Specification
| Maximum input pressure: | 500, 1500, 3000psi |
| Output pressure: | 0-15,0-25,0-50,0-100,0-250psi |
| Safety test pressure: | 1.5 times the maximum input pressure |
| Applicable temperature: | -40℃ ~ + 230℃ |
| Leak rate: | 2x10-8 atm.cclsec He |
| Cv value: | 1.4 |
| Female thread: | 1/4”NPT (F) |
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Stainless Steel High Flow Pressure Reducing Valve Single Stage DN25-DN50 Images
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