Overflow valve, red brass, type 631

With flange connection, body: red brass, PN 40, manometer connection G 1/4"

Type 631 mGFO EPDM: seat EPDM, temperature: max. 95°C

Type 631 mGFO FKM: seat FKM, temperature: max. 200°C

Ranges of adjustment: 0,5 - 2 bar / 1,5 - 6 bar / 5,5 – 10 bar, DN 65-80: 1-6 bar