3-way/2-position and 5-way/2-position,
Ports 1/8" and 1/4" NPTF,
Series 1: 1/8" and 1/4" NPTF,
Series 3: 1/8" NPTF
(Part Listed Are BSP For NPT Sizes - Add TF to Order Code)
The mechanically operated valves in the Series 3 (1/8") have been designed
with three different types of actuation:
In each case, return is effected by a mechanical spring.
The Series 3, 3-way/2-position valves are normally closed in the rest position
when the pressure is supplied at P and are normally open when the pressure is
supplied at the connection R, the user port A remaining unchanged.
Moreover, the 5-way/2-position valves may be supplied via the ports R and S
with two different pressures if a cylinder has to be operated using a delivery
pressure which is different from the return pressure. They can be operated
with vacuum down to -.9 bar (28" Hg). Additionally, the series 3 valves can
be supplied with 2 different pressures into ports 3 and 5 if a cylinder requires
different extend and retract forces. The series 1 valves offer a more rugged,
compact design with steel operator interfaces.
Series 1: 1/8" = 0.52; 1/4" = 1.31
Series 3: 1/8" = 0.73
*Qn flowrate (SCFM) determined with a supply pressure of 6 bar, (87 psi), and with a pressure drop of 1 bar (14.5 psi)
**Dimensions are in millimeters
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