¡@

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¡EValve Body is made by Stainless Steel #316, suitable for fluid, Air and Vapor.

¡EThe gate is designed for opening status, which will not influence the water supply function under unstable inlet pressure condition.

¡EWhen the outlet pressure responds directly to the pressure control chamber and adjusts the setting pressure, it responds quickly and adjusts the pressure accurately.

¡EDesign of piston and diaphragm improves the inability of sustaining pressure and leakage.

¡EPressure Adjusting Range :
¡@1¡ã6kgf / cm2
¡@4¡ã10kgf / cm2
¡@8¡ã13kgf / cm2

¡EPressure needed from fully-closed gate to full-opened gate :1.5 kgf/cm2
¡@ (1 kgf/cm2 = 14.2 psi)

¡EApplied Temperature : -15¢J~100¢J
¡@¡@¡@¡@¡@¡@¡@¡@¡@¡@     -15¢J~200¢J (For Steam)

No
Part Name
Material
1
Gauage
Upon request
2
Cover
316 Stainless Steel
3
O-ring
Viton
4
Piston
316 Stainless Steel
5
Sealing spacer
Viton
6
Shaft
316 Stainless Steel
7
Main body
316 Stainless Steel
8
Diaphragm
Viton
9
O-ring
Viton
10
Spring
Spring Steel
11
Spring cover
316 Stainless Steel
12
Washer
Brass
13
Adjusting stem
316 Stainless Steel

Item No Size H(mm) L(mm) CV
RET15-S 1/2" 80 70 2.4
RET20-S 3/4" 105 85 9.0
RET25-S 1" 105 92 11.0
RET40-S 1 1/2" 130 115 21.0
RET50-S 2" 130 120 25.0
¡·Special order is needed for size over 14" or particular fluid.

Applied condition of Direct-activated Pressure Reducing Valve:

¡E Installing pressure reducing valve directly in sub-pipe can reduce fluid pressure inside the pipe.

¡E Installing a filter in the inlet of pressure reducing valve can prevent block of valve gate caused by impurities and limescale.

¡E Installing pressure relief valve downstream pressure reducing vale can protect the system.

¡E 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:

¡E 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.

¡@

¡E  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:
Pressure drop need for fully-opened valve gate for adjusting pressure range 3~9 kgf/cm2 of direct-activated pressure reducing valve.
If the setting pressure of outlet is 6 kgf/cm2, pressure of fully-opened valve gate will be P=6-1.5=4.5 kgf/cm2




6F, No.59, Changjiang St., Chianjen Chiu,
 Kaohsiung 806, Taiwan , R.O.C

TEL : +886-7-331-1060

FAX : +886-7-331-0100

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■ About Us

■ Download

■ Photo

 ■ Pressure Reducing Valve Set

■ Full Open Style Silent Check Valve

 ■ Water Piping Illustration

■MULTI-FUNCTION AUTO-CONTROL VALVES
 ●Pressure Reducing Valve
●Pressure Sustaining Valve
 ●Pressure Relief Valve
●Solenoid Control Valve
●Float Valve
 ●Direct-Activated Pressure Reducing Valve

●Direct-Activated Pressure reducing Valve (Stainless Steel 316)

●Direct-Activated Back Pressure  Valve (Stainless Steel 316)

■WATER HAMMER ARRESTERS
 ●L style water hammer arrester
 ●I style water hammer arrester  (Thread End)
 ●I style water hammer arrester  (Flange End)
 ●Angle valve style water hammer arrester

■ Requirement

 ■ sales@watervalve.com.tw

¡@

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