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PSG • Safety groups

  • Hydraulic accessories
  • Safety groups

Safety group (SFR 1852550) with shut-off valve and check valve for hot water installations to protect the water heater. According to current legislation it is mandatory to install a safety group for each appliance that heats water.

Brand

Watts

Installation

The safety group should be connected directly to the cold water inlet of the hot water heater. The outlet side of the group should face down and should be connected to the drain pipe through the siphon (SSG). To prevent leaks from the safety group due to expansion when the water heats up, an expansion vessel should be installed. If the pressure of the water at the inlet exceeds 3 bar, it is advisable to install a pressure regulator (PRV).

Function

  • To protect the hot water storage heater from pressure excess: As the water temperature increases, the pressure also increases inside the hot water storage heater (dilation of the water).
  • To isolate the hot water storage heater from the cold water supply: This function is carried out by the shut-off valve (also part of the safety group).
  • To prevent a backflow of hot water into the cold water piping system : The internal check valve prevents any backflow of hot water.

Specifications

  • Connection: G 3/4" M/F
  • Opening pressure: 7 bar
  • Maximum operating pressure: 10 bar
  • Replenishment flow rate: > 4000 liters/hour
  • Maximum discharge capacity: 10kW
  • Conforming to EN 1487
  • Accreditations: Belgaqua, NF, ACS

Accessories

Siphon for pressure safety group, type: SSG

Artikelen

Artikelselectie-assistent
Type
Diameter [mm]
Artikelnummer Type Diameter [mm] E-shop
E010180100000 CR60+BFLT24 100 100
E010180125000 CR60+BFLT24 125 125
E010180150000 CR60+BFLT24 150 150
E010180160000 CR60+BFLT24 160 160
E010180180000 CR60+BFLT24 180 180
E010180200000 CR60+BFLT24 200 200
E010180250000 CR60+BFLT24 250 250
E010180315000 CR60+BFLT24 315 315
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