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0537EN November 2022

Boiler room components

MeMbrane safety valves

r140, r140M

Additional information

For additional information please check the website www.giacomini.com or contact the technical service: ' +39 0322 923372 6 +39 0322 923255 * consulenza.prodotti@giacomini.com

This pamphlet is merely for information purposes. Giacomini S.p.A. retains the right to make modifications for technical or commercial reasons, without prior notice, to the items described in

this pamphlet. The information described in this technical pamphlet does not exempt the user from following carefully the existing regulations and norms on good workmanship.

Giacomini S.p.A. Via per Alzo, 39 - 28017 San Maurizio d’Opaglio (NO) Italy

Product specifications

R140

Ordinary membrane safety valve. Female-female connections G 1/2"F, G 3/4"F. G 1"F, G 1-1/4"F. Fluids: hot water, cold water, air. Body: brass UNI EN 12165

CW617N. Membrane: EPDM. Stem: copper. Separator: brass UNI EN 12164 CW617N. Gasket: vegetable fiber. Spring: steel. Spring presser: brass UNI EN 12164

CW617N. Bonnet: brass UNI EN 12165 CW617N. Knob: POM. Min. allowable temperature (Ts min): 5 °C. Max. allowable temperature (Ts max): 110 °C. Max.

allowable pressure (Ps): 10 bar. Open overpressure 20%. Closure range 20%. Compliance with Directive "PED" 2014/68/UE (cat.IV). Factory calibration: 1,5 - 2 -

2,5 - 3 - 3,5 - 4 - 4,5 - 5 - 6 - 7 - 8- 10 bar.

R140M

Ordinary membrane safety valve. Male-female threaded connections of G 1/2"M x G 1/2" F. Fluids: hot water, cold water, air. Body: brass UNI EN 12165 CW617N.

Membrane: EPDM. Stem: copper. Separator: brass UNI EN 12164 CW617N. Gasket: vegetable fiber. Spring: steel. Spring presser: brass UNI EN 12164 CW617N.

Bonnet: brass UNI EN 12165 CW617N. Knob: POM. Min. allowable temperature (Ts min): 5 °C. Max. allowable temperature (Ts max): 110 °C. Max. allowable

pressure (Ps): 10 bar. Open overpressure 20%. Closure range 20%. Compliance with Directive "PED" 2014/68/UE (cat.IV). Factory calibration: 3 bar.