FORD WZ4-1995 PRESSURE GAGE DIAL ACETYLENE《乙炔压力表刻度盘》.pdf

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1、FORD MANUFACTURING STANDARDS wz4 MARCH 1995 PRESSURE GAGE DIAL ACETYLENE wz4 Page 1 An acetylene pressure gage dial shall be considered standard when made according to the following specifications. 1. 2. 3. 4. 5. 6. 7. 8. 9 . 10. 11. Dial face background shall be white. Full capacity of gage shall b

2、e 30 psi. Dial markings shall be in steps of five psi to half scale only. Above 15 psi shall be a red semi-circle (line) to 30 psi. The red semi-circle (line) shall be approximately 1.8 inch wide. Along red semi-circle the “DANGER“ shall appear in 3/16 inch high characters. Dial figures and graduati

3、on marks to be in block, and one psi graduations with numerals at o-5-10-15. Numerals to be approximately 3/16 inch high. All other print type to be in red. Included on the dial face shall be the following: “Acetylene“ and “Use No Oil.“ Suitable space, 3/16 x one inch, shall be provided for suppliers trade mark, name, or imprint. USE NO OIL