ODE 21H8KE120 is a 21H Series pilot-operated (indirect acting), 2/2-way Normally Closed (NC) solenoid valve designed for water and low-pressure steam applications

ODE 21H8KE120 is a 21H Series pilot-operated (indirect acting), 2/2-way Normally Closed (NC) solenoid valve designed for water and low-pressure steam applications. It features a brass body, EPDM seal, and a 12 mm orifice with high flow capacity.

Operating Principle

  • Power OFF: Valve remains closed.
  • Power ON: Pilot section opens the diaphragm and allows flow.
  • Requires a minimum inlet pressure of 0.1 bar to operate correctly because it is a pilot-operated design.

Typical Applications

  • Water treatment systems
  • Heating systems
  • Low-pressure steam systems
  • Industrial washing equipment
  • Packaging machinery
  • Industrial automation
  • Thermoregulation systems

Key Summary

  • Model: ODE 21H8KE120
  • Type: 2/2-way Normally Closed, pilot-operated
  • Connection: G 1/2" BSP
  • Orifice: 12 mm
  • Flow Capacity: 45 L/min
  • Seal: EPDM
  • Pressure Range: 0.1 to 20 bar
  • Fluid Temperature: -10°C to +140°C
  • Best Suited For: Water and low-pressure steam applications

Specifications

Model 21H8KE120
Series 21H Series
Valve Type Pilot-operated (Indirect Acting)
Function 2/2-way Normally Closed (NC)
Port Connection G 1/2" BSP
Body Material Brass CW617N
Seal Material EPDM (Ethylene Propylene)
Orifice Size 12 mm
Flow Coefficient (Kv) 45 L/min
Operating Pressure 0.1 to 20 bar
Minimum Differential Pressure 0.1 bar
Maximum Allowable Pressure (PS) 20 bar
Protection Class IP65 with DIN connector
Electrical Conformity IEC 335
Code Meaning
21H Pilot-operated solenoid valve series
8 G 1/2" BSP connection
K Normally Closed (NC)
E EPDM seal
120 12 mm orifice
Seal Temperature Range
EPDM (E) -10°C to +140°C
NBR (B) -10°C to +90°C
FKM (V) -10°C to +140°C
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
Phase Ring Copper
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