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Products by Customer’s Specification

Designing and manufacturing products as per customer’s specification.

VZM designs and manufactures non-standard flexible piping systems as per customer’s request. Thanks to competences in welding thin-wall structures (with thickness up to 0,15 mm) and manufacturing the products compliant with strict requirements to reliability in severe operation conditions, own test facilities and designing department VZM is able to offer its customers non-standard and complicated solutions.

Working characteristics of products:

ДиаметрNominal diameter (DN)

6 – 1200 mm

Давление рабочееWorking pressure (PN)

From vacuum to 440 bar (for DN 6)

Давление пробноеTest pressure (PT)

1,25 × PN; 1,5 × PN; As per customer’s specification

ТемператураMedia temperature, °С

From -196°С to +600°С

ТемператураAmbient temperature, °С

Up to +1650 °С

Benefits for our customers

Full-cycle production using own equipment includes bellows forming and provides 100% quality control on every stage of product manufacturing. Test facilities allow VZM to carry out numerous tests and quality control operations including pressure tests with liquid at pressures higher than 1000 bar, pressure tests with air, life-cycle tests and other tests.

1800+ клиентов
1800+ customers
in 22 industries
от -271 до +750 С
From -271°C To +750°C
Field-proven operation
35 лет
35 years
Assigned lifetime of the products
производство от 1 до 5000+
From 1 piece To 5000+
We manufacture from 1 piece to series of more than 5000 pieces.

Production facilities of VZM are certified within ISO 9001 system. The products are certified against GOST requirements and have permission for application on hazardous facilities of Federal Environmental, Industrial and Nuclear Supervision Service of Russia.

Examples of technical solutions developed by VZM

The customer needed to increase flexibility of the hose for usage in cryogenic systems and filling equipment of ground-based space infrastructure
New modification of bellow, MR035 bellow with higher flexibility was developed.
Tests carried out in RAS institute showed no helium leaks in100% metal hoses of batch supplied by VZM at temperature of -271°С

Production of large bathes of corrugated metal hoses (from 1000 pcs.) for superfluid media
• Own technology of orbital welding was purchased and put into production
• Test technology of mass-spectrometric method for atomic weight of 4
Tests carried out in RAS institute showed no helium leaks in 100% out of batch of VZM hoses when testing on thermal stresses Thermal stress From +90°С to -200°С

Mass production (from 1000 pcs.) of corrugated metal hoses with two plies for operation with radiation-emitting materials
Equipment to produce bellows with two plies was purchased and put into production
Mechanical and tightness tests were carried out successfully as per methods developed by companies from nuclear field, including organizations that deal with uranium.

Designing and production of thin-walled products made of stainless steel for companies from nuclear field
Batch of 600 pcs was designed, manufactured and delivered to Rosatom companies within required terms.
Defects – 0%, 0 pcs.

We are glad to use accumulated experience and our technologies to find a technical solution for you.
Send request
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