Valve with universal actuator for open/close or control applications
Product information
The GEMÜ 639 eSyStep 2/2-way diaphragm valve is electrically operated. The eSyStep actuator is available as an On/Off actuator or with an integrated positioner. An optical and electrical position indicator is integrated as standard. The self-locking actuator holds its position in a stable manner when idle and in the event of a power supply failure.
Key features
CIP/SIP capable
Open/close function or with integrated positioner
Parameterisable and controllable via IO-Link
On-site or remote end position programming via programming input
Various functions integrated (e.g. feedback, stroke limiter, etc.)
Technical features
Parameters
Value
Media temperature
-10 to 100 °C
Sterilization temperature
max. 150 °C
Ambient temperature
0 Up to 60 °C
Operating pressure
0 Up to 10 bar
Nominal sizes
DN 4 to 40
Body configurations
2/2-way body
i-body
Multi-port body
Tank valve body
T-body
Welding configuration
Connection types
Clamp
Flange
Spigot
Threaded connection
Connection standards
ANSI
ASME
BS
DIN
EN
ISO
JIS
SMS
Body materials
1.4408, investment casting material
1.4408, investment casting material, PFA lined
1.4435 (316L), forged material
1.4435 (BN2), forged material
1.4435, investment casting material
1.4539 (904L), forged material
CW614N, brass
CW617N, brass
EN-GJS-400-18-LT, SG iron material
EN-GJS-400-18-LT, SG iron material with hard rubber lining
EN-GJS-400-18-LT, SG iron material, PFA lined
EN-GJS-400-18-LT, SG iron material, PP lined
Body lining
Hard rubber
PFA
PP
Diaphragm materials
CR
EPDM
FKM
NBR
PTFE/EPDM
Supply voltage
24 V DC
Actuating speed
max. 3 mm/s
Protection class
IP 65
Conformities
Belgaqua
BSE/TSE
EAC
EHEDG
FDA
Oxygen
Reg. (EU) No. 10/2011
Regulation (EC) No. 1935/2004
Regulation (EC) No. 2023/2006
TA Luft (German Clean Air Act)
USP
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