In 1972 the plant became known as "Tyazhpromarmatura." In 1992 he founded the privatization of JSC "Penztyazhpromarmatura." Catalog designation of ball valves: PT39153, PT39154, PT39155, PT39163, PT39180, PT39183, 11s41p, 11tn41p. Product range includes 50 to DN 1200 mm PN and 1 MPa to 16 MPa. Ltd. "Samaravolgomash" In 1990, the decree of the Soviet government decided to establish in Kuibyshev joint Soviet-American engineering company "Kameronvolgomash" for the production of ball valves construction firm Cooper Cameron Valves. June 20, 1991 JV "Kameronvolgomash" received state registration in Ministry of Finance of the RSFSR. In 1997, there was a re-registration of the enterprise. The company became fully domestic and received its present name - "Samaravolgomash." Product range includes 50 to DN 1200 mm PN and 1 MPa to 16 MPa.

JSC "Volgogradneftemash" Samara official date of formation of the company is in September 1941, with commissioning Stalingrad plant cracking of heavy equipment. But its first production plant produced in 1946: break was caused by the conduct of the fighting in the city of Stalingrad during World War II. In March 1975, formed Production Association "Volgogradneftemash", which included plant named Petrov and Kotelnikovsky Valve Plant (Volgograd region). In the 80 years of commercial production of ball valve DN 1000 mm (instead of imports of France and Japan). In 1991 the company became part of OAO "Gazprom". Since August 1993 the company reorganized into OJSC "Volgogradneftemash", which includes the main plant and branch name Petrova - Kotelnikovsky Valves Plant. Catalog designation of ball valves: MV39183, MV39316, KS (11ls60p) Product range includes 10 to DN 1400 mm PN and 8 MPa to 16 MPa. Classroom tables insists that this is the case.