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Fig. M525 Pressure Reducing Valve

Verified by manufacturer 13 days ago

DN65: Fig. M525

Hattersley Variant:

Bronze pressure reducing valves, PN25.

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Application

Suitable for drinking water applications only (medium use), up to 85°C.

Description

Bronze pressure reducing valves, PN25.


Features and benefits:

  • PRVs enable control of pressure from boosted cold water supplies to match site requirements.
  • Simple to install.
  • Features an integral strainer preventing debris from affecting valve performance.
  • WRAS Approved.
  • Adjustable outlet pressure from 1–8 bar.
  • Conforms to BS EN 1567.

General information

Color

Yellow

Guidance for specification option:

Body.

Material

Brass

Guidance for specification option:

Internal parts.

Spring steel

Guidance for specification option:

Spring.

Steel

Rubber

Guidance for specification option:

EPDM seal.

Stainless steel

Guidance for specification option:

Internal parts.

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Product range

Public Health

Specification data - Pressure-regulating valves

Standard

General conformity to BS EN 1567.

Third-party certification

Water Regulations Advisory Scheme-approved, DVGW and PED 97/23/EC..

Form

Water pressure reducing.

Adjustment

Adjustable.

Operating conditions

-

Temperature (maximum)

85°C.

Maximum working pressure

25 bar.

Connections

Flanged to BS EN 1092-3.

Accessories

Not required.

Pressure gauge.

Guidance for specification option:

Two pressure gauges to measure inlet and outlet pressure available with axial or vertical threaded connection and should be ordered separately.

Inlets/outlets diameter

DN65.

Manufacturer guidance

Nominal.

Dimensions

185 x 290 x 235 x 93 x 145 mm.

Manufacturer guidance

Nominal A x B x C x D x E.

Weight

20 kg.

Material (all components)

Body and internal parts: Bronze CC499K, Internal parts: Brass CW614N and stainless steel grade 316, Spring: Spring steel, Strainer screen: Stainless steel grade 304, Seal: EPDM.

Manufacturer guidance

  • CC499K bronze to BS EN 1982.
  • CW614N brass to BS EN 12164.
  • Grade 316 stainless steel to SS 316 Ti.
  • Grade 304 stainless steel to SS 304.
  • Spring steel to DIN 17223 1.200.
  • EPDM: WRAS Approved Ethylene propylene diene monomer.

Integral accessories

Strainer.

PressureRange

Temperature: -10 to +85°C: 25 bar.

Manufacturer guidance

Shell tested up to PN40.

DownstreamPressure

1–6 bar.

Guidance for specification option:

Outlet pressure range.

Manufacturer guidance

Preset outlet pressure: 3 bar.

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