GAS CONTROL VALVE

• Main Authors: INAGAKI TOSHIYASU, ITO MASATO
• Format: Patent
• Language: English
• Published: 15.12.1998
• Edition: 6
• Subjects: ACTUATING-FLOATS; BLASTING; COCKS; DEVICES FOR VENTING OR AERATING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; TAPS; THERMAL INSULATION IN GENERAL; VALVES; WEAPONS

PROBLEM TO BE SOLVED: To provide a gas control valve whereby a gas flow amount can be adjusted by providing an orifice which can be easily replaced and adjusted. SOLUTION: A gas control valve 10 has a valve seat member 63 having a first/second flow path hole 65, 66 inserted over ring inside/outside of a valve seat 59 from a valve base connection surface 63b, a valve base 16, an inner side sealing gasket 61 interposed between the valve base connection surface 63b of the valve seat member 63 and a valve seat member connection surface 16a of the valve base 16 to be arranged in a double ring shape to communicate the first flow path hole 65 and a first port flow path 21 to seal these member and between the second flow path hole 66 and a second port flow path 22, and an outer side sealing gasket 62 communicating the second flow path hole 66 and the second port flow path 22 to seal between itself and the outside. The inner side sealing gasket 61 is provided with an orifice 61a in an internal peripheral surface, a gas flow amount can be adjusted, and the inner side seal member 61 can be easily replaced.