Pressure Sustaining Valve 1.5" to 8" R-20 PS/PS3W
ARI
5C-S-20-R-02-NT-PR_3W
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1.5" to 8" R-20 Eliptix Pressure Sustaining Valve for agriculture with 2 way or 3 way pilot. Also as a pressure relief valve.

r20 eliptix pressure sustain valves 1.5" to 8"
Maintains a constant downstream pressure regardless of upstream pressure or flow rate fluctuations. The set point of reduced pressure is adjustable by a 2-way or 3-way plastic pilot valve. A spring-loaded diaphragm inside the pilot reacts according to the downstream pressure changes. The pressure fluctuations are compensated by gradual opening and closing of the valve. Includes Plastic Tubing & Fittings and 3 way valve. Working Pressure Range: 0.4 - 10 Bar [6 - 150 PSI]Flow Rate Range: 5 - 220 m3/h [20 - 1000 gpm] KV 40 - 607.  All flanged valves from 3" to 8" equipped with universal flanges (multi standards)  
 Valve Size  Max. continuous flow rate
1 1/2'' 15 m3/h [66 gpm]
2'' 24 m3/h [106 gpm]
2''S 63 m3/h [252 gpm]
2 1/2 '' 63 m3/h [277 gpm]
3'' 63 m3/h [277 gpm]
3''S 98 m3/h [431 gpm]
4'' 98 m3/h [431 gpm]
6'' 220 m3/h [970 gpm]
8'' 394 m3/h [1735 gpm]
Maintains a constant downstream pressure regardless of upstream pressure or flow rate fluctuations. The set point of reduced pressure is adjustable by a 2-way or 3-way plastic pilot valve. 
A spring-loaded diaphragm inside the pilot reacts according to the downstream pressure changes. The pressure fluctuations are compensated by gradual opening and closing of the valve. 
Includes Plastic Tubing & Fittings and 3 way valve. Working Pressure Range: 0.4 - 10 Bar [6 - 150 PSI]
Flow Rate Range: 5 - 220 m3/h [22 - 970 gpm] 
KV 40 - 607 




 Valve Size  Max. continuous flow rate
1 1/2'' 24 m3/h [63 gpm]
2'' 24 m3/h [112 gpm]
2''S 63 m3/h [252 gpm]
2 1/2 '' 63 m3/h [175 gpm]
3'' 63 m3/h [252 gpm]
3''S 98 m3/h [448 gpm]
4'' 98 m3/h [448 gpm]
6'' 220 m3/h [1005 gpm]
8'' 394 m3/h [1790 gpm]

AGRICULTURE, Landscape and Industrial Pressure Reducing Valve DIAPHRAGM VALVES [ PN10]
The R-20 PR/PR3W series is a line of composite material, diaphragmoperated
hydraulic control valves with a working pressure up
to 10 bar. [150 PSI]
The valves are suitable for installation on water transmission,
landscape and irrigation systems.
The R-20 series has an innovative elliptic shaped diaphragm
that integrates well with a wide variety of regulating control
pilots, solenoids and control accessories.
Unique in the R-20 Series
Available in sizes up to 8”
Separate double chamber for 6”-8” valves.
Maintains a constant downstream pressure regardless of upstream
pressure or flow rate fluctuations. The set point of reduced pressure is
adjustable by a 2-way or 3-way pilot valve.
A spring-loaded diaphragm inside the pilot reacts according to
the downstream pressure changes. The pressure fluctuations are
compensated by gradual opening and closing of the valve.

Please add dimensions weight ? size maximum flow rate etc..