What are the safety procedures for hot tapping high-pressure lines?

Feb 22, 2021 ... hose connection. 4) For Class I and Class III systems, the minimum flow rate for the hydraulically most remote standpipe shall be 500 gpm, ... The information, methods and procedures in this guide are based. Page 6. OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION. 4 on the OSHA requirements for PPE as ... ANSI B16.5 Class 125/150 ................ C. AWWA C207-07, Tbl 2 & 3,. Class D ... Flexible rubber pipe can be furnished in either 150 PSIG or 250. PSIG ... 101 - 150 ft. - $3.00 151 - 220 ft. - $4.00 Over 221 ft. - $5.00 TUNNEL OR PIPE PAY: (based on distance traveled from the entrance): 0 ... 1.5. INFORMATIONAL SUBMITTALS. Retain paragraph below if procedures ... Schedule 40 steel pipe; Class 125 cast-iron or 150 malleable-iron fittings; cast-iron. Mid-West Instrument is a leading designers and manufacturer of differential pressure gauges and switches in the U.S.. Check valve that fits between ANSI Class 150, 300 or 600 flanges for use with Standard Schedule or lighter pipe. ... Informational Videos · Flow Formulae. ... Informational Videos · Installation Videos · Product Videos · Local Support ... pipe to a standard Class 150 waterworks flange. In sizes 3-inch through 12 ... Feb 5, 2024 ... 1.4 INFORMATIONAL SUBMITTALS. A ... Schedule 80, Type E, Grade B, steel pipe; Class 150 wrought-steel fittings, flanges, and flange. 24, Cast Copper Alloy Pipe Flanges and Flanged Fittings: Classes 150, 300,. 600, 900, 1500, and 2500, 2016. ANSI/ASME B16.33, Manually Operated Metallic Gas ...