Caleffi 535141 1/2" Pressure reducing valve with inspection filter and gaugeCaleffi 535141 pressure reducing valve, 1 2", with self contained replaceable cartridge, stainless steel strainer (transparent housing), and stainless steel pressure gauge 010 bar. Brass body with pressure regulating scale. Male union connections. Certified to EN 1567. WRAS and ACS approved. Product No: 535141 Size: 1 2" Max. upstream pressure: 25 bar Downstream setting pressure range: 16 bar Max. working temperature: 40C Strainer mesh: 0. 28mm

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The Watts 0216115 is a diaphragm-type safety relief valve for sealed heating and pressurised systems

Inner Container: Heavy gauge copper

Part Number: 91440

Cartridge: ID8112

Flow rate: 7 litres/min (constant

Suitable for unbalanced pressures

Projection: 300mm

Chrome body

G3 and G4 generations

Temperature stability: ±2°C

It maintains a constant flow rate to taps