Constant Pressure Valve
Donjoy Constant Pressure Valve assures a highly stable pressure at both inlet and the outlet. This is mostly used in heat exchangers, separators, tank systems, and other equipment. Also, it comes with a maximum supercharger which is rated at 174psi (12 bars). Hygienic stainless steel design, used in the dairy, food, beverage, pharmaceutical and fine chemical industries.
Details about Constant Pressure Valve
Specification
| Size | 1"-3",DN25-DN65 |
|---|---|
| Body Material | AISI 304 or AISI 316L |
| Temperature | 14°F to 302°F (-10℃ to 150℃) |
| Max working pressure | 116 psi (8 bar), according to the air supply pressure |
| Max. working pressure (option) | 174 psi (12 bar) with Supercharger |
| Seal | EPDM+PTFE(FDA177.2600), FDA approved |
| Operation | compressed air |
| End connection | butt-welded, tri-clamp, threaded |
Constant Pressure Valve
Donjoy Constant Pressure Valve assures a highly stable pressure at both inlet and the outlet. This is mostly used in heat exchangers, separators, tank systems, and other equipment. Also, it comes with a maximum supercharger which is rated at 174psi (12 bars). Hygienic stainless steel design, used in the dairy, food, beverage, pharmaceutical and fine chemical industries.
Donjoy Constant Pressure Valve with two types
● V type (inlet constant pressure): This is meant to maintain constant pressure on the valve inlet. This kind of design is mostly applied to the back of heat exchanger.
● A type (outlet constant pressure): This maintains constant pressure on the outlet. This type of design is mostly used as the front of a filling machine.
Constant Pressure Valve Working Principle
Constant pressure valve operated by compressed air, automatically run without a sensor on piping system, only by compressed air pressure regulating valve that maintains pressure stability can be realized the normal work of the valve.
The membrane and valve rod can be fit to any pressure changes to make a quick response, and the corresponding change the valve stem position,in order to continue to keep the preset pressure value.
The constant pressure valve- V type: inlet pressure constant, in transporting medium pressure higher than the set pressure under the condition of the valve opens, the transmission medium pressure decrease flow has become, transporting medium pressure is insufficient valve closed.
The Constant Pressure Valve- A type: outlet pressure constant, when transporting medium pressure higher than the set pressure under the condition of the valve will be closed, transporting medium pressure decreases flow changes, transporting medium pressure is insufficient valve opens.
Constant Pressure Valve kV Chart
Constant Pressure Valve Dimension
Mini Constant Pressure Valve
Mini Constant Pressure Valve Dimension
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Delivery time depends on quantity and type of products,for valve and pipe fittings regular is about 7-20days. For pump regular is about 15-25days.
For small amount we require 100% before production.For big amount,regularly T/T 30% deposit, 70% before shipment.
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