GEMÜ Type 639 Electrically Actuated Diaphragm Valve
Nominal Size: DN 4 – DN 40
Operating Pressure: 0–6 bar
Operating Temperature: -10°C to +80°C
Application Area: Shut-off valve for aseptic fluids
Body Materials:
– Stainless steel 1.4408
– PFA-lined 1.4408
– Stainless steel 1.4435
– Stainless steel 1.4539 (904L)
– Brass CW614N / CW617N
– Grey cast iron EN-GJL-250
– Ductile iron EN-GJS-400-18-LT
– Ductile iron with hard rubber lining
– Ductile iron EN-GJS-400-18-LT with PFA or PP lining
Diaphragm Materials: CR / EPDM / FKM / NBR / PTFE-EPDM
Connections: Weld ends / Tri-Clamp / Threaded / Flanged
Actuation: Electric actuator – 24V DC
Body Configuration: 2/2-way
The STRING team offers specialized after-sales consulting
STRING, founded in 2000, is a Romanian company specializing in industrial fluid control solutions. We are the exclusive representative in Romania and Moldova for leading brands such as GEMÜ, BERNARD CONTROLS DEUFRA, WEY SISTAG, BRAY, STRAUB, and DOCKWEILER, and we offer ISO-, SRAC-, and IQNet-certified products and services.