3-way/2-position
Ports M5, cartridge ø 4 mm
(10-32 UNF, 5/32” O.D.)

The mechanically operated Series 2 miniature valves with 3-way/2-position normally closed function are available with M5 threaded ports or with an integrated super - rapid fitting for diameter 4 mm tubes (5/32” OD). The devices are actuated by a plunger, roller/lever or a unidirectional lever. These miniature valves have been designed to satisfy the application requirements of the controls industry, paying particular attention to the features which these components must have, i.e.:

• short operational stroke
• small dimensions
• fast and accurate signal

Operating phases (see individual dimension drawings):
A = total stroke
B = pre-stroke (closes exhaust)
C = effective stroke (opens outlet)

View Series 2 Mechanically Operated Minivalves PDF catalog

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

The mechanically operated valves in the Series 3 (1/8”) have been designed with three different types of actuation:

• plunger
• lever/roller
• unidirectional lever/roller

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.

View Series 1 and 3 Mechanically Operated Valves PDF catalog

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3-way/2-pos i tion and 5-way/2-position
Ports 1/8” NPTF

In order to facilitate the use of limit switch valves in applications where very lowactuating forces and high flowrates are required, the Series 3 valves are equipped with new mechanical devices designed for this purpose. The Series 3 valve is designed with a mechanical lever which when operated releases an internal pilot signal to atmosphere. Actuation forces are less than 50g (2N); (.5 lbf) and the sensitivity can be increased by adding a “whisker” or rod of dia. 3mm to the lever (cross-thread of M5 x.8 can be used to hold “whisker-rod” in place) The functions available are as follows: for the 3 Series:

• 3-way/2-position normally closed or normally open (spring return)
• 5-way/2-position (spring return)

* These valves have an internal mechanical spring return and a pilotpressure spool plunger that shifts upon actuation of the lever by depressurizing the spool plunger. Valve symbols shown are “at rest” next to the actuator symbol.

View Series 3 1/8” Ported Mechanically Operated Sensor Valves (Whisker Valve) PDF catalog

View technical-data PDF catalog

3-way/2-pos i tion and 5-way/2-position
Ports 1/8”, 1/4” NPTF

In order to facilitate the use of limit switch valves in applications where very low actuating forces and high flowrates are required, Series 4 valves are equipped with new mechanical devices designed for this purpose. The 4 Series includes one or two minivalves depending on the function which the valve must perform. *The mini valves reduce the actuation force required to operate the main valve. The functions available are as follows:

• 5-way/2-position (monostable) - spring-return
• 5-way/2-position (bistable) - double-pilot detented

*The mini-valves utilize a poppet valve to pilot-pressure the main spool plunger.

View Series 3 1/8” Ported Mechanically Operated Sensor Valves (Whisker Valve) PDF catalog

View technical-data PDF catalog