The symmetrical half-coupling with ringed shank is intended to be crimped onto the
pipes. It can be assembled by different crimping systems : stamped ring, necklaces ring,
steel strip cutted and notched ring. The symmetric coupling can be used to suction and
discharge its areas of use: fire fighting, petroleum, chemical, petrochemical,
pharmaceutical, construction, maintenance, agriculture, irrigation, steel , transportation
of liquid and powdered bulk.