Webflange bolt torque sequence and torque table a complete web pass 1 torque sequence torque to a maximum of 30 of the final torque value ... hand tighten all nuts 6 torque nuts following a cross pattern in stages ie 30 60 and 100 of final torque value 7 do a final check pass in a clocklwise or anticlockwise direction at Web7.3.3 Install all studs and nuts hand tight; ensure that the studs pass freely through the flange holes. Position the nut on one end of the stud such that only the studs projects beyond the face of the nut. The excess stud length project beyond the nut on the other side. 7.3.4 Number each stud according to each position in the flange.
How Are Flange Bolts Tightened Texas Flange Blogs
WebJun 2, 2024 · 1. The alignment of the flange faces must be as per the design plane within 1 mm in 200 mm (1/16 in./ft) measurement across any diameter. 2. The alignment of the … WebBy bringing the flanges together slowly and parallel when installing a gasket and taking a minimum of four bolt tightening passes, following the correct bolt tightening sequence, … how to score wold sentence copying test
SAEP-351 Bolted Flange Joint Assembly PDF - Scribd
WebBolt torque Specifications: Shown is the bolt tightening sequences for typical circular flanges. Do not fully tighten the bolts the first time around as this can tilt the flange out of parallel. The first time around tighten to approximately 1/2 of the final torque, and then repeat the sequence, tightening to the suggested torque limit. WebTIGHTENING SEQUENCE: 1) Step 1 – Liberally lubricate all load bearing surfaces including threads and flat washers. Then install and finger tighten all fasteners. … WebSep 4, 2015 · tightening by bolt torque control. It is to be operated & carried out for effective and safe operation. 2 SCOPE This procedure is applicable to all flanged connections in piping systems and connections to equipment regardless of sizes and classes identified and required tightening by bolt torque / north ottawa wound care