| 摘要 |
1503070 Valves SINGER CO 22 Dec 1976 [23 Jan 1976] 53591/76 Heading F2V The lower head stamping 34 of a diaphragm head assembly 32, 34, 36 of a thermostatic expansion valve is attached to the valve body 10 by outwardly crimping an extension 40 of the valve body, an 0-ring 48 providing the necessary sealing. After insertion of a push rod 28 and pad 30, the assembly of the valve is completed by welding around the periphery to secure the diaphragm 32 and the upper head stamping 36 to the lower head stamping 34. |
