Heating Systems

SAFETY VALVES MADE IN ITALY



PRESSURE REDUCER VALVE: UNITOY

Description Model Max. inlet Pressure (Bar) Field of action (outlet Pressure) (Bar) Max. Temp. of use Threading of connection Suitable Fluids Size Best flow m3/h
body: Brass alloy CW 617N - UNI EN 12164 UNITOY Art.600 15 1 - 4 80˚C ISO 228/1 Water / compressed Air 1/2" - 3/4" 0.6 - 0.8


PRESSURE REDUCER VALVE: UNIMAX

Description Model Max. inlet Pressure (Bar) Field of action (outlet Pressure) (Bar) Max. Temp. of use Threading of connection Suitable Fluids Size Best flow m3/h
body: Brass alloy CW 617N - UNI EN 12165, CB753S EN 1984 UNIMAX Art.615 25 0.5 - 6 80˚C ISO 228/1 Water / compressed Air 1/2" - 4" 1.2 - 15.6


SAFETY VALVE

Description Model Size Medium Max. Temp. of use Working Pressure (Bar) PED Category Diaphragm safety valve for boiler less to 30000 Kcal/h
body: Brass alloy CW 617N - UNI EN 12165 Art.200 1/2"M 1/2"F Water 90 ˚C 3 IV Comply
Internal Stem: Nylon 30% fiber glass Art.200 1/2"M 1/2"F Water 90 ˚C 4 IV Comply
Obtur. And diaphr.: EPDM Art.200 1/2"M 1/2"F Water 90 ˚C 6 IV Comply
Spring: Steel UNI 3823 and Control knob: ABS Art.200 1/2"M 1/2"F Water 90 ˚C 10 IV Comply


BIMETAL THERMOMETER

Description Model Size Scale
Body: DN 63/80 galvanized steel Transparent: plexiglass with chromium plated strip Dial: alluminum white backround Accuracy: +/- 2˚C Art.474 1/4" 0 - 120 ˚C


MANOMETER

Description Model Size Scale
Body: DN 40 abs black, painted steel, S/S Transparent: plexiglass with chromium plated strip Dial: alluminum white backround Accuracy: cl. 1.6 welding: tin alloy Sn97/Cu3 Art.484 1/4" 0 - 6 Bar


GAS MANOMETER

Description Model Size Scale
Body: DN 63 nickel plated steel Transparent: plexiglass with chromium plated strip Membrane copper alloy Accuracy: cl. 2.5 Dial: alluminum white backround Art.478 1/4" 0 - 6 mbar 0 - 1000 mm H2O


AUTOMATIC AIR VENT

Description Model Size Medium Max. Temp. of use Max. working Pressure (Bar) Max. discharge Pressure (Bar)
Body and Cap: Brass alloy CW 617N - UNI EN 12165 Float: PP Obturator Stem: Brass UNI EN 12165 CW617N Spring: Stainless steel Seals: EPDM Art.400 1/2" Water & Glycol (Glycol 30% Max.) 110 - 120 ˚C 10 2.5 - 4


AUTOMATIC AIR VENT - HIGH TEMPERATURE

Description Model Size Medium Max. Temp. of use Max. working Pressure (Bar) Max. discharge Pressure (Bar)
Body and Cap: Dezincification-resistant alloy EN 12165 CW602N Float: PP Spring: steel EN 10270-1SH Obturator Stem: Brass UNI EN 12164 CW614N Art.705 1/2" Water & Glycol (Glycol 30% Max.) 120 - 140 ˚C 10 2.5 - 4