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AFV • Flow valve check valves
  • Hydraulic accessories
  • Flow-valve check valves

Flow valve check valve (RDF 25 0262125) with shut-off valve for hydraulic systems with forced circulation. The check valve prevents natural circulation of water in systems with a circulating pump. The check valve ensures that there is circulation to the dispensing system only when the pump is running.

Brand

Watts

Installation

The check valve should be installed in accordance with the flow direction indicated by the arrow on the check valve body. The check valve may be placed vertically or horizontally.

Specifications

  • Connection: G 1" F
  • Maximum pressure: 10 bar
  • Opening pressure: 25 - 26 mbar.
  • Maximum operating temperature: 105 °C
  • Maximum temperature: 130 °C

Articles

Article selection assistant
Type
U [V]
Integrated auxiliary switch
Article number Type U [V] Integrated auxiliary switch E-shop
J120521024001 EF 24A 24 No
J120521024021 EF 24A-S2 24 Yes
J120521230001 EF 230A 230 No
J120521230021 EF 230A-S2 230 Yes

Notes

Rotary knob with 3 positions:
N = normal (closure of valve when circulation pump stops)
A = permanently open
F = permanently closed
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