B-505-UK-11-2013 REV. B
An
Company
Type 505 Double Acting, Type 505 Spring Return
Indicator
Position indicator with VDI / VDE 3845 is con-
venient for mounting accessories such as Limit
Switch boxes, positioners etc.
Travel adjustment
The two independent external travel stop adjust-
ment bolts can easily and precise adjust +/- 5°
at both open and close directions.
Actuator body
As standard hard anodized (40 µ) but can be
supplied PTFE coated or all stainless.
Pistons
The twin rack piston are made from
die-cast aluminium hard anodized or
from galvanized cast steel. Reversing
rotation possible by simply inverting
the pistons. Symmetric mounting po-
sition gives a long life cycle and fast
operation.
Pinion
The pinion is high-precision and integrative, made
form nickel-plated carbon steel.
High performance springs
Pre loaded coated springs are made from
high quality material for corrosion resis-
tance and long life cycle.
* Only in type 505 Spring Return.
End caps
As standard die-cast aluminium pow-
der polyester painted black. Can be
supplied in different colours, PTFE
coated or nickel plated
O-rings
NBR O-rings provide trouble-free operation at
standard temperature ranges. For high and low
temperature Viton or Silicone is used.
Bearings and guides
Made from low friction, long life compound mate-
rial to avoid direct contact between metals. The
maintenance and replacement are easy and con-
venient.
Valves with a difference
3
