Coupling MVI


Coupling MVI 1/2" - 88.78 To order
Coupling MVI 3/4" - 136.94 To order
Coupling MVI 1" - 218.95 To order
Coupling MVI 1 1/4" - 351.37 To order
Coupling MVI 1 1/2" - 511.63 To order
Coupling MVI 2" - 869.77 To order

Coupling MVI

  • Thread: 1/2", Price: 88.78 ₽;
  • Thread: 3/4", Price: 136.94 ₽;
  • Thread: 1", Price: 218.95 ₽;
  • Thread: 1 1/4", Price: 351.37 ₽;
  • Thread: 1 1/2", Price: 511.63 ₽;
  • Thread: 2", Price: 869.77 ₽.

Couplings are used to create a connection between two external threads in a pipeline section of heating or water supply systems. The design of the case provides for special protrusions for easy grip with a key. This simplifies the installation process.

List of liquids aggressive to product materials

List of materials leading to complete destruction in contact with fittings (seals) materials:

  • Concentrated nitric acid 80°C;
  • Amyl acetate 20°C;
  • Acetic acid anhydride 20-80°C;
  • Acetone 20°C;
  • Gasoline-benzene 20°C;
  • Tar 20°C;
  • Steam 130°C;
  • Hydrogen peroxide, aqueous 20°C;
  • Propylene oxide 20°C;
  • Sulfurous carbon 20°C;
  • Concentrated hydrochloric acid 20-60°C;
  • Methyl methacrylate 20°C;
  • Naphthalene 60°C;
  • Nitroglycerin 20°C;
  • Toluene 20°C;
  • Trichlorethylene 20°C;
  • Acetic acid aqueous 100°C;
  • Phosphoric acid 20°C;
  • Freon according to DN 8962 R22 20°C;
  • Chlorine and solutions based on it 20°C;
  • Perchloric acid 100°C;
  • Tsarskaya vodka 20°C;
  • Ethanol (alcohol) 80°C.

Specifications

  • Maximum working temperature of the medium, °С: 120;
  • Nominal pressure PN, bar: 40;
  • Thread type: Cylindrical;
  • Service life, years: 30;
    • Service life, years, for:
    • - fittings without seals 30
    • - Fittings with seals 15
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