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2-way control valve
 
   
 
 
 
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2-way control valve (GVF22 시리즈 (15A~150A))

GVF 22 series of  valve controls two positions or the proportion of cold/hot water,

steam and air district heating.

 The body is made of cast-iron and the valve’s stem, seat, plug are of stainless steel.

 The stuffing box prevents leakage by using O-ring and Vition.

The feature curve of the valve is linear type.

 
  • Hot water : max 180℃
  • Chilled water : -25℃ max. in closed circuit only Water with following additives ;
    - Hydrazing, Phosphate, for frost protection
    - Glycol, max. 50%, for frost protection
    - Saturatecd steam, superheated steam 10bar. abs/max. 180℃
 

·         Operating pressure   : 20Kgf/cm²

·         Operating temp       : at - 25 ~ 200℃, DIN 4747 / DIN3158

·         Valve curve           : Linear

·         Leakage rate         : ≤0.01% of Kvs value Class Ⅳ

·         Connection           : JIS 20K RF type

 

2-way control valve (GVF22 시리즈 (200A~350A))