Burkert Type 8750 - Manual (Page 10)

10
Technical data
Typ 8750
7. Technical daTa
7.1. conformity
Type 8750 conforms to the EC directives according to the EC Dec-
laration of Conformity.
7.2. standards
The applied standards which are used to demonstrate compliance with
the EC Directives are listed in the EC type test certificate and/or the
EC Declaration of Conformity.
7.3. operating conditions
Ambient temperature 0 – +55 °C
Degree of protection
IP65 / IP67 according to EN 60529 (only if cables, plugs and
sockets have been connected correctly and in compliance with
the exhaust air concept in Chapter “9.3. Pneumatic connection
of the process controller”)
7.4. mechanical data
Materials
Valve body stainless steel cast 1.4404/316L
Sensor connection 1.4301 or 1.4404
Flange stainless steel 316L
Actuator Polyamide (PA)
Process controller PPS, PC, stainless steel
seals EPDM
Packing gland PTFE rings with silicone grease
Other wetted parts stainless steel 1.4571
Inlet and outlet sections acc. to EN ISO 5167-1
Inlet sections
20 x D
20 x D
18 x D
15 x D
Valve completely open
90° bend or T-piece
Widening
Reduction
Fig. 5: Inlet sections
Outlet sections already integrated in the system (6 x DN)
english