5.2 Mb
Pressure balanced
To absorb various movements without transferring pressure thrust to a pipework
Pressure balanced expansion joints absorb axial and lateral displacements without applying pressure thrust to a piping.
VZM manufactures axial pressure balanced expansion joints with various types of end fittings (welded ends, welded flanges or their combinations) in accordance with international standards or customer’s specification.
VZM manufactures axial pressure balanced expansion joints with various types of end fittings (welded ends, welded flanges or their combinations) in accordance with international standards or customer’s specification.
Main technical characteristics
 Nominal diameter, (DN), mm
|
25 – 1200 |
 Working pressure (PN), bar
|
From vacuum up to 75 bar (for DN 25) |
 Test pressure (PT), bar
|
1,5 × PN or according to customer’s specifications |
 Media temperature, °С
|
From -196 °С to +550 °С |
 Lifetime |
Up to 100 000 cycles (upon confirmation of technical specifications with a customer). |
 Bellow materials |
AISI 321, AISI 304, AISI 316L and their equivalents |
 Types of end fittings |
With welded ends, welded flanges, their combinations or customer’s specification |
Types of pressure balanced expansion joints
Axial
Order according to your drawing or filled questionnaire
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;
Certificates
- Certificate and declaration of conformity to the regulations of the Customs Union
- GOST certificate
- License for production of equipment for facilities, complexes and installations with nuclear materials designated for production, processing and transportation of nuclear fuel and materials
- License for designing the equipment for nuclear installations
- ISO 9001:2008 certificate (issued by TÜV Rheinland)
