Valves Steel 30S41nzh (Ru-16), 50 Mm Diameter. Complete With Flanges And Fasteners. Application - Flanged Cast Steel Gate Valve 30S41nzh Is Used To Block The Flow Of The Working Medium In The Pipeline. Brand - 30S41nzh (Zkl2-16). Control - Manual Flywheel). Nominal Pressure, Pn = 1.6 (16) Mpa (Kgf/Cm2). Working Environment - Water, Steam, Oil, Oil, Natural Gas, Liquid Non-Aggressive Petroleum Products, Non-Aggressive Liquid And Gaseous Media, In Relation To Which The Materials Used In The Valve Are Corrosion-Resistant. Temperature Of The Working Environment = - 40°С. + 450°С. The Minimum Temperature Of The Surrounding Air = - 40°С. The Material Of The Case Is Steel. The Material Of The Shutter Seal Is Stainless Steel. Hermeticity Class - A According To Gost 9544-200.5 Structural Features - Cast. Connection - Flange. The Design Of The Spindle Is Retractable. Operating Conditions - U1. Service Life = Not Less Than 10 Years. Material Execution Of The Valve 30S41nzh: Body, Cover And Wedge (Discs) - Steel 25L; Spindle - 20X13; Spindle Nut - Steel 45; Nut - Carbon Steel Gost 1050-88 Strength Class Not Lower Than 5 According To Gost 1759.5-87; Pin And Bolt - Carbon Steel Gost 1050-88 Strength Class Not Lower Than 5.6 According To Gost 1759.5-87; Folding Bolt - Steel 35; Sealing Between The Body And The Cover (Gasket And Ring) - Paronite, Trh; Gland Packing - Agi, Trg; Flywheel - Steel 25L; Surfacing On The Ring In The Body - 07Х25н13, 08Х21н10г6; Surfacing On The Wedge - 13X25t, 10X17t., 57 120.00
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