Parveen Industries Pvt. Ltd. Offers Green Nut Grey Subs Hammer Unions. The Green Nut Grey Subs Hammer Unions falls in the category of Treating Irons, Unions, Swivels and Circulating Heads. Parveen Industries Pvt. Ltd. Is an ISO 9001: 2000 certified company. The Green Nut Grey Subs Hammer Unions are provided with replacement lip-type seal and are recommended for choke and kill lines, cementing, acidizing and testing services for pressure up to 20,000 PSI CWP.
