Burkert Type 2037 - Manual (Page 20)

20
Installation
stainless steel Insert (only for units without diaphragm and
casing)
If you have ordered and received a unit without diaphragm and casing,
a stainless steel insert (Id.-Nr. 648 864) will have been included with it.
use of an EpdM / fkM diaphragm:
→
When assembling a unit with an
elastomer diaphragm (EPDM/FKM),
lay the stainless steel insert into the
groove in the pressure component.
use of a ptfE - diaphragm:
→
When using a PTFE diaphragm, the
insert is not required.
Insert
8.3.2 connection of the control medium
control function a:
→
Connect control medium to lower connection.
control function B:
→
Connect control medium to upper connection.
control function I:
→
Connect control medium to upper and lower connections.
(see “Fig. 18”)
→
Pressure on the upper connection closes the valve.
→
Pressure on the lower connection opens the valve.
Upper control air connection
(for CFB and CFI)
Lower control air connection
(for CFA and CFI)
Fig. 18: Pneumatic connection
control air hose:
Control air hoses of sizes 6/4 mm or 1/4“ can be used.
8.4 Disassembly
Danger!
risk of injury from discharge of medium (acid, alkali, hot
media)!
It is dangerous to remove the device under pressure due to the
sudden release of pressure or discharge of medium.
▶ Before removing a device, switch off the pressure and vent the
lines.
▶ Completely drain the lines.
Replacement of the diaphragm is described in the chapter
entitled “11 Repairs”.
english
Type 2030, 2031, 2031 K, 2032,
2033, 2037