WYECO AUTO VALVES CO.,LTD

Type of Bonnets	Flow Rate Characteristic Curve
Allowable Shut-off Pressure	Dimension of Control Valves
Flange Table	Saturated Steam Table
Reynolds no. correct factor FR	Calculation Formula
Flow Characteristic of Plug

EQ%

LINEAR

Tremont of Plug


Soft Seat	Metal Seat	Seat Face	Full Bore

Cage Guide

V-Port EQ%

V-Port

Cage Guide


Cage Guide V-PORT Temperature below 180°	Cage Guide V-PORT Temperature below 240°	Cage Guide V-PORT Temperature below 250°	Cage Guide V-PORT Temperature above 250°

Multi-Spring Type Diaphragm Actuators


Dire Action (DA) (Air To stem down)	Reverse Action(RA) (Air To stem up)

Solution of Diaphragm Actuated Control Valve