Burkert 6126 Manuel D'utilisation page 6

Identification of the valve connections on the body:
NC
Normally Closed
NO
Normally Open
for pressure connection (distributor) or
IN/OUT
working connection (mixer), for CFT
* see also the description of the circuit functions in the chapter
entitled "7.4. Pneumatic data"
english
20
Valve with flange connection:
Screws for attaching
coil
Coil
Body
Flange plate
note!
Malfunction / damage to device when detaching the
flange plate!
The valve features a pressed-in membrane which may be
damaged when the flange plate is detached.
• Do not loosen the flange plate!
→
Loosen the screws which attach the coil and remove
the coil from the body.
english
22
Circuit function (CF)*
A
T
B
Connection normally
closed, for CFA
Connection normally open,
for CFB
The valve body must not be twisted by the fastening
screws or by screwing in the connecting nipples too
far!
The bodies with threaded or hose connection have fixing
eyelets for the screw connection from above with M3 and from
below with self-tapping screws BZ 3.9 x ... DIN 7971.
Body with threaded connection:
→
Use PTFE tape as sealing material
→
Screw in the connecting thread by hand only
Body with hose connection:
→
Use flexible silicone or FKM hose with 1.6 – 2 mm inner
diameter
To ensure functional reliability, operate the valve with
the coil installed ex works only!
Warning!
Danger - escaping medium!
Leaking connections if seals not fitted properly, if manifold
uneven or if surface quality of the manifold inadequate.
• Make certain the seals included with delivery are
properly fitted in the valve.
• Ensure that the manifold is even.
• Ensure that the surface quality of the manifold is
adequate.
Screws for manifold
Tightening torque:
0.3 ± 0.05 Nm
Seal
Manifold
→
Insert the seal into the valve.
Type 6126 / 6606
english
21 21
english
23 23