| | NB 40 – NB 1200 Type D100x (B/E/C/M/R/K/L)  Type
Number of arches
Support ring variant
Tie rod variant
Application: Plant construction, sand/gravel extraction industry, dredgers, food processing e. g. as suction/pressure hoses, in conveyor lines, on pumps and vessels Lateral expansion joint without arch | Design: | Hydrodynamic, cylindrical rubber bellows with self-sealing rubber bulges and swivel backing flanges with tie rods | | Nominal diameters: | NB 40 to NB 1200, intermediate sizes possible | | Installation length: | Standard LE = 150 to 400 mm
Other installation lengths on request | | Pressure: | Depending on the nominal diameter and installation length up to 10 bar
Vacuum stability on request | | Movement: | For slight lateral movements
Installation gap tolerances possible in the context of axial compression and extension | | | | | | | | | | | | | Rubber bellows | Rubber grades | | Carrier |
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| up to 100°C: | EPDM | Cooling water, hot water, seawater, acids,
dilute chlorine compounds | Nylon fabric
Polyester fabric
Kevlar fabric
Glass fibre fabric
Steel mesh | | EPDM, Drinking water approved | Drinking water | | EPDM, beige, food grade | Foodstuffs | | EPDM, abrasion-resistant | Abrasive materials, Water-sand extraction | | EPDM, insulating | Electrical systems construction | | IIR | Hot water, acids, bases, gases | | CSM | Strong acids, bases, chemicals | | NBR | Oils, petrol, solvents, compressed air | | NBR, bright, food grade | Oil, fatty foods | | up to 80°C: | CR | Cooling water, slightly oily water, seawater | | up to 70°C: | NR | Abrasive materials | | up to 150°C: | HNBR | Oils, petrol, solvents, compressed air | | up to 180°C: | FPM | Corrosive chemicals, petroleum distillates | | up to 200°C: | Silicon (Q) | Air, saltwater atmosphere | | Silicon (Q), white, food grade | Foodstuffs, medical technology | | | | | PTFE lining: For severe chemical attacks.
Take the restriction of the listed movement into account! | | | | | | | Flanges | Design: | Single-part swivel backing flanges with clearance holes, groove to accommodate
the rubber bulges and holder for tie rods (control unit type B, E, C, M)
Single-part, round, swivel backing flanges with clearance holes, groove to accommodate the rubber
bulges and control unit plates (control unit type R, K, L) | | Flange norms: | DIN, ANSI, AWWA, BS, JIS, special measurements see Flange tables (PDF) | | Materials: | Carbon steel: | 1.0038 (S235JRG2)
1.0570 (S355J2G3) | | Stainless steel: | 1.4301 (X5CrNi18-10)
1.4571 (X6CrNiMoTi17-12-2) | | Aluminium: | AlMg3 | | Other materials on request | | Coating: | Primed, hot-dip galvanised, special paint | Optional accessories | Protective hood: | UV protection cover
Ground protective cover
Fire protection cover | | Flow liners: | Cylindrical flow liner
Conical flow liner
Telescoping flow liner | Tie rods | Design: | Dimensioning according to design pressure (test pressure)
based on the Pressure Equipment Directive | | Materials: | Carbon steel in strength class 8.8 or stainless steel | | Coating: | Spherical bearings and ball disks PTFE-coated
Tie rods galvanised or hot-dip galvanised | Type D100B Tie rods mounted outside in rubber bushing to accommodate reaction forces in the event of pressure (up to NB 300) Type D100R Control unit plates: Tie rods mounted outside in the rubber bushing to accommodate reaction forces in the event of pressure (up to NB 300) Type D100E Tie rods mounted outside in spherical bearings and ball disks to accommodate the reaction forces in the event of pressure Type D100K Control unit plates: Tie rods mounted outside in spherical bearings and ball disks to accommodate the reaction forces in the event of pressure Type D100C Tie rods mounted outside in rubber bushing and inside in the thrust limiter to accommodate stresses in the event of pressure and vacuum (up to NB 300) Type D100L Control unit plates: Tie rods mounted outside and inside in spherical bearings and ball disks to accommodate the reaction forces in the event of pressure and vacuum Type D100M Tie rods mounted outside and inside in spherical bearings and ball disks to accommodate the reaction forces in the event of pressure and vacuum Download Product description
Movement-tables (if available)
Planning help image | |
