Excess flow valve

• Main Authors: SHIMA, TOSHIHIKO, TAKEUCHI, YOSHIYUKI, SUZUKI, HIROAKI
• Format: Patent
• Language: English; French; German
• Published: 05.10.2005
• Edition: 7
• 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

An excess flow valve (10) includes: a valve (12) that opens and closes a flow path (11); a solenoid (14) that keeps the valve (12) in an opened state; a pressure detector (16) detecting the primary-side pressure of the valve (12); and a controller (17) controlling current flow to the solenoid (14) b...