Model: Servo-assisted 2/2-way diaphragm valve

• Servo-assisted diaphragm valve up to DN 50
• Vibration-resistant, centrally screwed coil system
• Damped design for quiet closing
• Energy-saving double coil technology with kick and drop variant
• Explosion-proof variants

General technical data

Material

Seal                                        NBR, EPDM, FKM

Body                                 Brass acc. to DIN EN 50930 - 6, stainless steel

(dezincification resistant on request)

Inner valve parts                             Stainless steel, brass, plastic (PPS)

Orifice                                      DN 10…DN 50

Thermal insulation class of                     Polyamide coil class B

solenoid coil                                 Epoxy coil class H

Performance data

Duty cycle                                  100 % continuous operation

Switching time                                  Opening: 0.1…1.5 s

Closing: 0.2…4 s

Electrical data

Operating voltage              24 V/DC, 24 V/UC, 24 V/50…60 Hz, 230 V/UC, 230 V/50…60 Hz

Voltage tolerance                              ± 10 %

Medium data

Operating medium           Medium that does not attack the housing and sealing materials

Medium temperature

NBR                                  - 10 °C…+ 80 °C

EPDM                                - 30 °C…+ 90 °C (with epoxy coil to + 100 °C)

0 °C…+ 60 °C (with drinking water approval according to UBA (PF36))

FKM                                    0 °C…+ 90 °C (with epoxy coil to + 120 °C)

Process/Port connection & communication

Electrical connection         • Cable plug Type 2518, form A according to DIN EN 175301 - 803

• Cable plug Type 2509, form A according to DIN EN 175301 - 803

Approvals

Directives                                 CE, EAC

Degree of protection                IP65 with cable plug, cable connection and terminal box

Environment and installation

Installation                               As required, preferably with actuator upright

Ambient temperature

Standard version Max. + 55 °C

Version with kick and drop coil               Max. + 70 °C (max. 30 switching operations/min)

Max. + 85 °C (max. 1 switching operation/min)

Max. + 55 °C (for versions with UR/UL approval)