MULTI-LAYER BELLOWS
- Purpose: Intended for operation as sensing elements, phase separators, sealing devices as well as power unit components in atmospheres causing no material corrosion, at temperature of minus 260 to plus 550 °С. It is applicable to compensate for the axial, angular and transverse movements of the branches of the power plant circuits that occur in the combustion system of a liquid rocket engine.
- Year of release: 2007
- Guaranteed service life (years): 6
- Estimated production / delivery time (months): 2
- Flight qualification of the product: No
- Possibility to adapt the product to customer requirements: Yes
| Parameter | Value |
|---|---|
| Outside diameter | 22-125 mm |
| Number of corrugations | 4-25 |
| Wall thickness | 0,16-0,3 mm |
| Number of layers | 2-10 |
| Material grade according to GOST R 55019-2012 | 08Х18Н10Т, 12Х18Н10Т, 10Х17Н13М2Т, 10Х17Н13М3Т |
Bellows are manufactured of corrosion-resistant and fire-resistant steel grades 08Х18Н10Т or 12Х18Н10Т.
They provide complete leak-tightness at high pressures and temperatures in combination with excellent
flexibility, which is particularly important for hazardous industries.
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