The ODE 21X4KT250 is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed specifically for steam, hot water, and high-temperature fluid applications.

The ODE 21X4KT250 is a 2/2-way Normally Closed (NC), pilot-operated solenoid valve designed specifically for steam, hot water, and high-temperature fluid applications.

Part Number Breakdown

  • 21X = High-temperature steam valve series
  • 4 = G 1" port size

K = Normally Closed (NC)

  • T = PTFE seal for steam/high-temperature service
  • 250 = 25 mm orifice

Typical Applications

  • Steam generators
  • Steam boilers
  • Autoclaves and sterilizers
  • Laundry equipment
  • Food processing plants
  • Heating systems
  • Thermal oil circuits
  • Industrial process control

Quick Summary

Key Advantage: The 21X4KT250 is optimized for steam and high-temperature service up to 180°C, using PTFE sealing, which provides better thermal resistance than standard NBR or FKM seals.

Specifications

Series 21X
Model 21X4KT250
Valve Type Pilot-Operated Solenoid Valve
Function 2/2-Way Normally Closed (NC)
Port Connection G 1" BSP
Orifice Size 25 mm
Flow Coefficient (Kv) 240 L/min
Body Material Brass
Seal Material PTFE (Teflon®)
Operating Pressure Range 0.3 to 10 bar
Operation Indirect / Pilot Operated
Minimum Differential Pressure 0.3 bar
Protection Class IP65
Fluid Temperature Up to +180°C
Compatible Media Steam, Hot Water, Thermal Fluids, Air
Maximum Viscosity 12 cSt
Component Material
Body Brass
Armature Tube Stainless Steel
Fixed Core Stainless Steel
Plunger Stainless Steel
Spring Stainless Steel
Main Seal PTFE (Teflon®)
Orifice Assembly Brass
Standard Coil Series BDA / BSA / BDV
Coil Power 8 W
Duty Cycle 100% Continuous Duty
Electrical Connection DIN Connector
Protection Degree IP65
Connection G 1" BSP
Orifice 25 mm
Flow Rate (Kv) 240 L/min
Seal PTFE
Pressure Range 0.3–10 bar
Temperature Range Up to +180°C
Protection IP65
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