FORD WZ1-1-1995 TORCHES - WELDING GAS SAVER TYPE《节气型焊炬》.pdf
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1、FORD MANUFACTURING STANDARDS WZl-1 MARCH 1995 TORCHES - WELDING GAS SAVER TYPE WZl-1 Page 1 1. 1.1 1.2 1.3 1.4 2. 3. 3.1 3.2 4. 5. 6. 7. SCOPE: These requirements cover oxy-acetylene or other oxy-fuel-gas torches e,mployed in operations such as welding, brazing and heating. A torch to be considered
2、a “Gas Saver Type“ under this specification shall have an adjustable pilot flame and a suitable means of turning a preadjusted setting of oxygen and acetylene on and off as required (or desired), by means of an operating lever, or other hand operating medium, without disturbing the setting of the va
3、lve adjusting screw. These requirements are based upon records of tests and field experience and are subject to revision as further experience and investigation may show to be necessary or desirable. A device or product which complies to these requirements will not be acceptable if upon production t
4、ests, other features are found to impair the desired results. CONSTRUCTION & MATERIALS: Devices of this type shall be of substantial construction and shall be made of material suitable for the purpose intended. UNION CONNECTIONS: Non-interchangeable union connections, not requiring gaskets, shall be
5、 provided with Ford Standard Hose Fittings. The International Acetylene Association Standard shall be followed. This provides for left-hand thread on fuel gas fittings and right- hand thread on oxygen fittings. VENTING OF HANDLES: Non-gas-carrying spaces in handles shall be vented. VALVE STEMS: The
6、valve stems of fuel gas control valves shall be so constructed that they cannot be removed by unscrewing them without removing the packing unit. TIP ADAPTER END: The tip adapter end of the torch shall be designed in such a way as to use Ford Standard Tips. WORKMANSHIP: The workmanship shall be such
7、as to insure a degree of uniformity suitable for devices of this character. FORD MANUFACTURING STANDARDS WZl-1 TORCHES - WELDING GAS SAVER TYPE WZl-1 MARCH 1995 Page 2 8. MARKING: 8.1 These devices shall be marked with the name or registered trade-mark of the manufacturer and shall also be marked wi
8、th the proper type or style designation as well as markings to indicate proper gas connections. 8.2 If a manufacturer produces or assembles torches at more than one factory, each torch shall have a distinctive marking, which may be in code, by which it may be identified as the product of a particula
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- FORDWZ111995TORCHESWELDINGGASSAVERTYPE 节气 型焊炬 PDF

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