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 Connexion RET & REF Series Direct Acting Stainless 316 Pressure Reducing Valve Connexion BSP Range of 316 Stainlesss Steel Valve Body is suitable for Fluid, Air, Liquid and Steam. The valve is specially designed to operate in an open condition which will not be influenced by the water supply function under unstable inlet pressure condition. When the outlet pressure responds directly to the pressure control chamber and adjusts the setting pressure, it responds quickly and adjusts the pressure accurately. Special piston and diaphragm design improves the ability of sustaining pressure and reducing leakage. Pressure Adjusting Range : 1 to 6 Bar 4 to 10 Bar 8 to 13 Bar (other options upon request) Pressure needed from fully-closed gate to full-opened gate :1.5 Bar (1 Bar = 14.5 psi) Applied Temperature : -15C to +100C or -15C to +200C (For Steam) Sizes 1/2 to 2" BSP / NPT or DN15 to DN150 mm PN16 Flange 
Applied condition of Direct-activated Pressure Reducing Valve: Installing pressure reducing valve directly in sub-pipe can reduce fluid pressure inside the pipe. Installing a filter in the inlet of pressure reducing valve can prevent block of valve gate caused by impurities and limescale. Installing pressure relief valve downstream pressure reducing vale can protect the system. While using screws to connect pressure reducing valve, joints should be installed in the inlet and outlet to make maintenance easy.
Pressure Setting and Flow Rate of Direct-activated Pressure Reducing Valve: Direct-activated pressure reducing valve directly opens and closed the valve gate by the outlet pressure. When outlet pressure is under setting pressure, valve gate automatically opens. To make valve gate fully open, adjustable pressure range and setting pressure are relative points. A : Pressure drop needed for fully-opened valve gate = B/4 , B-Adjustable Pressure Range Maximum-Minimum B : Adjustable Pressure Range (-Maximum Minimum Adjustable Pressure Range) C : Setting Pressure of Outlet P : Pressure of fully-opened outlet valve gate, P-C-A Example:   
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