R153P Piston pressure reducer, PN25

CATEGORY: WATER MANAGEMENT

Pressure reducing valves DescriptionThe piston-type pressure reducing valve R153P is an automatic valve thatreduces and stabilizes the pressure of a fluid in a water distribution conduitaccording to a preset value. The use of this hydraulic device is necessary ifthe maximum possible pressure at any point in the water distribution systemcan reach or exceed the relative maximum allowable working pressure, or ifconnectable to apparatus and equipment that function exclusively at lowerlevels of pr...

Pressure reducing valves

Description
The piston-type pressure reducing valve R153P is an automatic valve that
reduces and stabilizes the pressure of a fluid in a water distribution conduit
according to a preset value. The use of this hydraulic device is necessary if
the maximum possible pressure at any point in the water distribution system
can reach or exceed the relative maximum allowable working pressure, or if
connectable to apparatus and equipment that function exclusively at lower
levels of pressure. The piston-type pressure reducing valve is designed for
use in either internal or external water distribution systems, where the water
main pressure values do not surpass 25 bar. The thermoplastic material of
the internal piston structure guarantees rigidity, strength and an enhanced
regulation precision thanks to the compensated seat. The O-rings, in EPDM
peroxide elastomer with a low coefficient of friction, are durable and require
only limited maintenance interventions. The internal finish of the body and
the broader dimensions of the passage allow an elevated flow even with a
minimal water draw. The R153P piston-type pressure reducing valve (PN 25) is
used in air conditioning plants, sanitary installations for water supply, irrigation
systems, compressed air (not oil mist) distribution systems, fire suppression
piping (it should be borne in mind that local government standards for fire
protection must always be observed), and sanitary installations for water
supply in buildings (according to EN 806-2 and EN 805). This product adheres
to the standards set forth by the European health authorities for the transport
of alimentary fluids and potable water.
 
Technical data
• Max. working pressure (PN): 25 bar
• Outlet pressure regulation range: from 1 to 5,5 bar
• Outlet pressure factory set: 3 bar
• Working temperature range: 0 °C (no freezing) to 130 °C
• Compatible fluids: water, glycol solutions (with 50 % max. concentration of
glycol), compressed air (except 2”)
• Compliant with Standard EN 1567
• Sound class II - Lap [dB (A)] < 30

Materials
• Body: CW617N (UNI EN 12165) nickel plated brass
• Piston: technopolymer reinforced with glass fibre
• Gaskets: EPDM peroxide
• Seat: EN 10088 - 1.4305 stainless steel (AISI 303)
• Spring: EN10270-1 SM zinc plated steel

Flow rate diagrams
Rated water flow rate, relative to a speed of 2 m/s, for each diameter according
to requirements of standard EN 1567.
 

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