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DI20B6.3

DI20B6.3

Product Description

Single seated control or shut-off 2-way linear valve for hot water and chilled water and saturated steam (for valves with stainless steel plug) and superheated steam (for valves with stainless steel plug) in heating, ventilation, air conditioning systems and open circuits. Operated by electric linear actuators series ML64... and ML74...

Technical Properties

Valve type 2-way linear valve
DN size 20 mm
Medium type water or water-glycol mixture according to VDI 2035
Kvs value 6.3
Media temp. 2 ... 170 oC
Flow char. mod.equal%
Nominal pressure PN16
Action to open stem down
Materials

Valve body made of brass and stem made of stainless steel

Stroke 20 mm
Pipe connection Internal threads
Port connection internal threads ISO228
Additional description

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Features
  • Brass body with external threaded end connections (type DE)
  • Brass body with internal threaded end connections (type DI)
  • Low seat leakage rate
  • Self-adjusting packing
  • Accurate positioning to ensure state-of-the-art temperature control
  • Constant total flow throughout full plug travel