3-WAY CONTROL VALVE(Bronze) : GXS21
“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.
Appication
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
Technical Data
| Operating pressure | 16Kg/cm² (16bar) |
| Operating temp | - 25 ~ 180℃ DN4747/DN3158 |
|
Valve curve 1) Straight port 2) By-pass |
Linear Linear |
|
Leakage rate 1) Straight port 2) By-pass |
≤0.01% of Kvs value Class Ⅳ(ANSI B 16.104-1976)
≤0.5% of Kvs value |
| Connection | PT screwed Type |