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2-WAY CONTROL VALVE (GVF21 시리즈 (15A~150A))
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.
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2-WAY CONTROL VALVE (GVF21 시리즈 (200A~350A))