The ODE 21W6KB400-MR is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed for high-capacity flow control in water, air, and inert gas systems.

The ODE 21W6KB400-MR is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed for high-capacity flow control in water, air, and inert gas systems.

Part Number Breakdown

  • 21W = Pilot-operated valve series
  • 6 = G 1½" port size

K = Normally Closed (NC)

  • B = NBR seal
  • 400 = 40 mm orifice
  • MR = Special/manual reset variant designation
  • Applications
  • Water treatment plants
  • Industrial automation
  • Compressed air systems
  • Irrigation systems
  • Cooling towers
  • Industrial washing systems
  • HVAC systems
  • Process fluid control

Quick Summary

The 21W6KB400-MR is the largest standard valve in the 21W brass pilot-operated series, providing the highest flow capacity with a 40 mm orifice and 340 L/min Kv flow, while maintaining the same 0.2 to 16 bar operating range as the smaller models.

Specifications

Series 21W
Model 21W6KB400-MR
Valve Type Pilot-Operated Solenoid Valve
Function 2/2-Way Normally Closed (NC)
Port Connection G 1½" BSP
Orifice Size 40 mm
Flow Coefficient (Kv) 340 L/min
Body Material Brass
Seal Material NBR (Nitrile Rubber)
Operating Pressure Range 0.2 to 16 bar
Design Pressure 16 bar
Operation Indirect / Pilot Operated
Minimum Differential Pressure 0.2 bar
Protection Class IP65
Fluid Temperature -10°C to +90°C
Compatible Media Water, Air, Inert Gases
Maximum Viscosity 12 cSt
Component Material
Body Brass
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 Assembly Brass
Standard Coil Series BDA / BDV / BSA
Coil Power 8 W
Duty Cycle 100% Continuous Duty
Protection IP65 with DIN connector
Connection G 1½" BSP
Orifice 40 mm
Flow Rate (Kv) 340 L/min
Pressure Range 0.2–16 bar
Temperature Range -10°C to +90°C
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