API Modified Seal Ring SR13 Coupling

Beiali produce API modified seal ring coupling.

Seal-ring couplings conforming to the requirements of K.8 (SR 13) shall be furnished when specified in the purchase agreement. Additional requirements for PSL-2 and PSL-3 products are specified in Annex H.

Sealing-ring couplings conforming to the requirements shall be furnished when specified in the PO. Grooves may be cut before or after threading at manufacture's option. Grooves and threads shall be free of fins, wickers and ribbons that are loose or can become loose and fold into the thread dorm. Couplings shall be inspected after final machining of the groove.