Teflon Coated Bolts Torque Specs

Torque values are based on.

Teflon coated bolts torque specs.

Astm standards for mechanical fasteners and related process 2nd edition inch fastener standards 8th edition. The above table is applicable only for a193 grade b7 and a193 grade b16 stud bolts. This table is applicable for ptfe coated bolts with k 0 12. Flurokote1 fluoropolymer coating is formulated with superior characteristics for maximum fastener life.

Technical components include a tensile strength of up to 4 000 psi and an operating pressure up to 100 000 psi. Api 6a is an international standard which specifies requirements and gives recommendations for the performance dimensional and functional interchangeability design materials testing inspection welding marking handling storing shipment purchasing repair and re. Torque bolts diagonally opposite each other in pairs please note that ptfe is suject to cold flow or creep. Bolting torque to develop 50 bolt yield stress at nut factor k 0 12.

Bolts should be brought finger tight and then tightened through the use of a torque wrench in strict sequence of diagonally opposite pairs. In threads per inch 307a astm a307 grade a sae j429 grade 5 sae j429 grade 8 f n l g 9 fnl grade 9 clamp load lbs tightening. These bolt torque values are intended for use as guidelines only and are based on ideal conditions perfect flanges flange alignment new well lubricated bolts nuts according to the national boiler code installed in accordance with the central plastics company flange installations guidelines. Supply part number.

Fluoropolymer coated bolt torque. All material included on this page is informational only and should not be used as one s sole source for design purposes south coast industrial metals inc does not guarantee the accuracy of the information on this site and retain no liability for the use or misuse of the. Torque value is defined as the measured ability of a rotating element to overcome turning resistance. March 19 2016 by sigma fasteners.

The absence of nut locking oxides enable easy and safe removal. Fluorokote 1 will reduce the torque significantly by lowering one of its components the k factor or torque coefficient. This and all subsequent torquing of bolts should be undertaken at ambient temperature. Ptfe coated bolt coefficient of friction plain bolt coefficient of friction sigma fasteners inc.

Torque tension reference guide printed in u s a. Torque for flange bolting b7 l7 studs stud diameter tension size ibf torque torque torque torque inch nm ft. The fluoropolymer used in the final coat of fluorokote 1 has a kinetic friction coefficient of 0 06 0 08.