The ODE 31A2AB20-M is a 3/2-way Normally Closed (NC), direct-acting solenoid valve designed for air, water, inert gases, and industrial automation applications.

The ODE 31A2AB20-M is a 3/2-way Normally Closed (NC), direct-acting solenoid valve designed for air, water, inert gases, and industrial automation applications.

Part Number Breakdown

  • 31A = 3/2-way direct-acting valve series
  • 2 = Threaded-port version

A = Normally Closed (NC)

  • B = NBR seal
  • 20 = 2.0 mm orifice
  • M = Special/manufacturer-specific variant

Typical Applications

  • Pneumatic control systems
  • Industrial automation
  • Water treatment equipment
  • Air-operated machinery
  • Packaging machines
  • Process control systems
  • General-purpose fluid control

Quick Summary

Key Characteristic: The 31A2AB20-M is the threaded-port version of the 31A series, providing direct-acting operation with zero minimum pressure requirement, making it suitable for low-flow pneumatic and fluid control applications.

Specifications

Series 31A
Model 31A2AB20-M
Valve Type Direct-Acting Solenoid Valve
Function 3/2-Way Normally Closed (NC)
Connection Type Threaded Port
Port Size G 1/8" BSP
Orifice Size 2.0 mm
Flow Coefficient (Kv) 2.0 L/min
Body Material Brass
Seal Material NBR (Nitrile Rubber)
Operating Pressure Range 0 to 10 bar
Minimum Pressure Required 0 bar
Design Pressure 40 bar
Operation Direct Acting
Protection Class IP65
Fluid Temperature -10°C to +90°C
Compatible Media Air, Water, Inert Gases
Maximum Viscosity 37 cSt (\~5°E)
Component Material
Body Brass CW617N
Armature Tube Stainless Steel AISI 300
Fixed Core Stainless Steel AISI 400
Plunger Stainless Steel AISI 400
Spring Stainless Steel AISI 300
Seal NBR
Orifice Insert Stainless Steel
Coil Power 8 W
Coil Series BDA / BSA / BDV
Coil Diameter 13 mm
Duty Cycle 100% Continuous Duty
Electrical Connection DIN Connector
Protection IP65
Connection G 1/8" BSP
Orifice 2.0 mm
Flow (Kv) 2.0 L/min
Pressure Range 0–10 bar
Temperature Range -10°C to +90°C
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