Standard
Seals of Viton (FKM)
Inner parts and vapour channel stainless steel, lever blue rilsan coated, diaphragm PTFE. With seals of Viton (FKM) - resistance see chart catalogue page 524.
Special Type
Seals of EPDM
Inner parts and vapour channel stainless steel, lever blue rilsan coated, diaphragm PTFE. With seals of EPDM - resistance see chart catalogue page 524.
Part Number
ZVA 25 GR 1....