3-WAY CONTROL VALVE(Bronze) |
“GXS21” series of 3-way control Valve is intended to control two positions or the proportional of cold/hot water, steam and air. The body and the seat are made bronze, and valve’s stem and plug are of stainless steel. The stuffing box prevents leakage by using an O-ring and Viton.
The feature curve of the valve is linear type.
|
|
l Hot water: Hot water: max. 130℃
l Chilled water: -25℃ max. in closed circuit only Water with following additives ;
- Hydra zing, Phosphate, for frost protection
- Glycol, max. 50%, for frost protection |
|
|
|
l Operating pressure : 16Kg/cm² (16bar)
l Operating temp : - 25 ~ 180℃ DN4747/DN3158
l Valve curve
1) Straight port : Linear
2) By-pass : Linear
l Leakage rate
1) Straight port : ≤0.01% of Kvs value Class Ⅳ(ANSI B 16.104-1976)
2) By-pass : ≤0.5% of Kvs value
l Connection : PT screwed Type
|
|