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30 Bolt Torque Pattern

30 Bolt Torque Pattern - 4 and 8 bolt flanges: Web 40 bolt flange use 20 bolt pattern tightenning 2 side by side bolts for each number. Web 4 and 8 bolt flanges. Until all have been tightened. Then install and finger tighten all fasteners. 1, 41, 33, 25, 17, 9, 5, 13, 21, 29, 37, 3, 43, 35, 27, 19, 11, 7, 15, 23, 31, 39, 2, 42, 34, 26, 18. Since joints containing conventional gaskets have a comparatively low compressive stiffness, bolt preloads in such joints are particularly sensitive to the tightening sequence. Set the torque wrench to 30% of full torque and, using the pattern, tighten each fastener. Verify that the lines are no longer in a circular Yes no other lubricant ?

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1, 41, 33, 25, 17, 9, 5, 13, 21, 29, 37, 3, 43, 35, 27, 19, 11, 7, 15, 23, 31, 39, 2, 42, 34, 26, 18.

Web class 300 all tables in this brochure are only applicable under the following conditions: Repeat with the torque wrench at 60%. Web cross over pattern for the flange. Set the torque wrench to 30% of full torque and, using the pattern, tighten each fastener.

The Application Of The Recommended Torque Is Only Valid For The Listed Teadit Products.

For flanges with 12 or more bolts: Target % of yield ? Web bolt size tpi proof load (lbs) 1 clamp load (lbs) 2 tightening torque (ft lbs) galv+waxed galv plain; Torque to a maximum of 60% of the final torque value.

Mark Bolt Heads In A Circular Pattern.

Until all have been tightened. Torque all bolts in the joint to a low torque or a snug torque. Then install and finger tighten all fasteners. Web 40 bolt flange use 20 bolt pattern tightenning 2 side by side bolts for each number.

Number The Bolts/Flange According To The Bolt Torque Sequence.

Web 4 and 8 bolt flanges. Web following a prescribed pattern: Check that gasket is getting compressed uniformly. A short screw clamping plain metal components

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