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AIRTEC Pneumatic
Stem-operated valves

Stem-operated valves

Product catalog summary

Overview: This document provides technical specifications and operational guidelines for stem-operated valves, specifically the 3/2-way and 5/2-way configurations with connections M 5 (10/32 UNF) to G 1/8, and flow rates ranging from 80 to 320 Nl/min (0.081 to 0.325 Cv).

Specifications:

Order Numbers: E-25-310, E-28-310, E-18-310, E-18-510
Function: 3/2-way and 5/2-way with spring return
Connection: M 5 (10/32 UNF) and G 1/8
Nominal Size: 2 mm and 4 mm
Flow Rate: 80 Nl/min (0.081 Cv) to 320 Nl/min (0.325 Cv)
Pressure Range: 0 to 12 bar (0 to 175 psi)
Actuating Force: 15 N to 28 N at 6 bar
Temperature Range: -10 °C to +70 °C (+14 °F to +158 °F)
Materials: Body made of anodized aluminum, inner parts of aluminum, brass, stainless steel, and stem of stainless steel. Seals are made of NBR and POM.
Weight: Ranges from 0.034 kg (0.075 lb.) to 0.115 kg (0.253 lb.)

Design and Function:

For optimal valve life, the actuating mechanism should contact the stem at an angle of P 30h. If not feasible, a roller lever valve is recommended.
For types E-25-310 and E-28-310, Port 1 must be used as the pressure inlet.
For types E-18-310 and E-18-510, all ports are interchangeable.
Valves E-18-310 and E-18-510 are suitable for vacuum use, with order numbers changing to E-18-310-Q and E-18-510-Q.

Dimensions: The document includes dimensions for series E, detailing pre-stroke, working stroke, and end of stroke positions, along with port functions for pressure inlet, outlet, and exhaust.

Stem-operated valves

Stem-operated valves

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