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Explosion-proof metal hoses

VZM supplies explosion-proof metal hoses Ex operating in explosive and flammable conditions of oil and gas, nuclear, chemical and other industries. Stainless metal hoses for cables provide explosion-proof enclosure and protection from the environment.

Technical characteristics
of corrugated metal hoses with two circuits

ДиаметрNominal diameter (DN) 6 – 300 mm
Давление рабочееBursting pressure Up to 1320 bar (for DN6)
ТемператураOperating temperature From -196°С to +600°С
ТемператураVibration resistance Up to 2 000 Hz
ТемператураNumber of braids Threaded connections according to GOST, DIN and customer’s specification

Selection of end fittings for stainless hose protecting cables

Mail threaded connections

Swivel nut with metric thread according to DIN 3870 and flat sealing and nippel with counter nut

Combined union: swivel nut with 24° taper sealing and adapter to weld-end (ISO pipe dimensions).

Benefits for our customers

  • We handle all customs procedures ourselves and we deliver ready-to-use products with all certificates to customer’s door;
  • We have our own warehouse on EU territory and can maintain stock for our customers;
  • We accept different payment schemes;
  • Our full cycle production provides the highest quality and reliability due to quality control on every stage of production;
  • The plant accepts orders for production from one unit;
  • The plant develops special solutions in accordance with customer’s specification;
  • Optimal lead times for standard products and special solutions both;
  • The products are in full compliance with European norms and regulation, which is confirmed by ISO 9001:2008 certificate;


  • Pressure Equipment Directive PED 97/23/EC certificate
  • ISO9001:2008 certificate (issued by TÜV Rheinland)
  • Certificate and declaration of conformity to the regulations of the Customs Union
  • Rostekhnadzor permission to use on hazardous production facilities
  • GOST R certificate
  • Other certificates and licenses are provided upon request