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Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type-RD-31NW-F (nominal diameter 15)
Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type-Ben Co., Ltd.

Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type
Ben Co., Ltd.


About This Product

This series uses chlorine water resistant EPDM for the disk and diaphragm material of Heisei RD-31N~34FN type pressure reducing valves. Controllability, reliability, and ease of use remain unchanged.

■Place of use

・Architectural equipment ・Factory equipment

■Main features

- Adopts chlorine water resistant EPDM. ・Countermeasures against red water in calm flow: Prevents red water with bronze main body + tube end core. ・Water will not leak to the outside even if the diaphragm is damaged. - Built-in strainer. (Nominal diameter 50 or less)

  • Product

    Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type

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1 Models of Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type

Image Part Number Price (excluding tax) Strainer Valve type Primary side applicable pressure Secondary side adjustment pressure range (set pressure) Mounting position Nominal diameter Minimum differential pressure before and after the valve Maximum decompression ratio Material (diaphragm) Material (disc) Material (spring case) Material (main body) Material (main parts) Fluid temperature Kinds End connection Allowable leakage amount Applicable fluid
Pressure reducing valve (for water/liquid/household water supply), constant flow valve, water hammer preventer Pressure reducing valve RD-31NW type-Part Number-RD-31NW-F (nominal diameter 15)

RD-31NW-F (nominal diameter 15)

$ 550.55〜

Equivalent to 40 mesh (nominal diameter 50 or less)

Pressure reducing valve

1.0MPa or less

・L:0.05~0.35MPa
・H: Nominal diameter 100 or less: 0.3~0.7MPa, Nominal diameter 125,150: 0.3~0.5MPa

Horizontal/Vertical (excluding upward strainer cap)

15~50 (1/2~2)

0.05MPa

10:1

Chlorinated water resistant EPDM

Chlorinated water resistant EPDM

・Nominal diameter 15~50: ADC
・Nominal diameter 65~150:FC

CAC406

CAC406

5~90℃ (5~40℃ when using tube end core)

For 1.0MPa or less

JIS Rc screw

None (visual pressure gauge)

·water
・Hot water

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