韩国GINICE吉尼斯，二通执行器GVF21-150，GVF21150
韩国GINICE吉尼斯，二通执行器GVF21-150，GVF21150
韩国GINICE吉尼斯，二通执行器GVF21-150，GVF21150
2-WAY CONTROL VALVE 
GVF21 시리즈 (15A~150A) | GVF21 시리즈 (200A~350A)
GVF 21 “is intended to control two positions or the proportion
of cold/hot water, steam and air.
The body is made of cast-iron and the valve stem, seat, and valve plug
are of stainless.
The stuffing box prevents leakage by using O-ring and Viton.
The feature curve of the valve is equal percentage or linear type.
Hot water : max. 120℃
Chilled water : -25℃ max. in closed circuit only Water with following additives ;
- Hydrazine, Phosphate, for frost protection
- Glycol, max. 50%, for frost protection
- Saturated steam, superheated steam.
Operating pressure : 10Kgf/cm²
hOperating temp : - 25 ~ 120℃
hValve curve : Equal percentage or Linear
hLeakage rate : ≤0.01% of Kvs value Class Ⅳ
hConnection : JIS 10K RF type
