| 摘要 |
542,514. Pressure regulating valves. MANLOVE ALLIOTT & CO., Ltd., and HODGES, J. M. Aug. 21, 1940, No. 13292. [Class 135] A pressure regulator provided with a double-beat valve member is actuated by a bellows 5 clamped at one end to the casing by a removable cover 7 and at the other between a nut and a collar in the valve spindle. A loading spring 17 is mounted between an abutment 15 carried by the reduced end of the valve spindle and an abutment carried by the reduced end of a spindle 12. The spindle works in a boss 10 in a cover 9 secured to the plate 7 and has a manipulating knob 13 fitted with a cylindrical scale 18 co-operating with a pointer 19. |
