Description; Function; Product Label; Gemü Conexo - GEM 658 Operating Instructions Manual

Item Name
11 Pneumatic connec-
tions
* Body material 1.4408, investment casting – without chip

3.2 Description

The GEMÜ 658 2/2-way diaphragm valve has a two-stage ac-
tuator. In addition to full stroke, a partial stroke can be set via
two pistons working independently of each other. (see "Pneu-
matic connections", page 30)
All actuator parts including closing springs (except seals) are
made from stainless steel. The valve is available with a Nor-
mally Closed control function.
A opening stroke limiter for setting the partial stroke is integ-
rated as standard.

3.3 Function

The product is designed for use in piping. It controls a flowing
medium by being closed or opened by a control medium.

3.4 Product label

Design in accordance with order data
- XXXXXXXX|YYYY
Item number Traceability number Consecutive number
The product label is located on the actuator. Product label
data (example):
The month of manufacture is encoded in the traceability num-
ber and can be obtained from GEMÜ. The product was manu-
factured in Germany.
The operating pressure stated on the product label applies to
a media temperature of 20 °C. The product can be used up to
the maximum stated media temperature. You can find the
pressure/temperature correlation in the technical data.
www.gemu-group.com
Materials
Device-specific data
Year of manufacture
43 / 76
4 GEMÜ CONEXO
For electronic identification purposes, each replaceable com-
ponent contained in the product you have purchased is
equipped with an RFID chip (1). Where you can find the RFID
chip differs from product to product.
Fig. 1: Actuator RFID chip
Fig. 2: Diaphragm RFID chip
Fig. 3: Valve body RFID chip
The CONEXO pen helps read out information stored in these
RFID chips. The CONEXO app or CONEXO portal is required to
view this information.
4 GEMÜ CONEXO
1
1
1
GEMÜ 658