![Cavity Free Ecotube Couplings / Fittings / Weld Union Cavity Free Ecotube Couplings / Fittings / Weld Union](https://www.schwer.com/dynimg/Nce0ADfe75ORLZejrX-z1vJUXQI=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2017-11-24T14:20:45)/Documents/Produktbilder/PB_Eco/Eco-V.jpg)
![Cavity Free Ecotube Couplings / Fittings / Male Thread Part for Welding Cavity Free Ecotube Couplings / Fittings / Male Thread Part for Welding](https://www.schwer.com/dynimg/ZfIxCdNEVJifJz3ugEOCVm8YZJw=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:48:21)/Documents/Produktbilder/PB_Eco/Eco-G.jpg)
![Cavity Free Ecotube Couplings / Fittings / Insert Welding Part Cavity Free Ecotube Couplings / Fittings / Insert Welding Part](https://www.schwer.com/dynimg/G7bM-ZMbGDv8k27_9e875yRui4I=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:48:42)/Documents/Produktbilder/PB_Eco/Eco-B.jpg)
![Cavity Free Ecotube Couplings / Fittings / O-Ring FEP covert with FKM core Cavity Free Ecotube Couplings / Fittings / O-Ring FEP covert with FKM core](https://www.schwer.com/dynimg/Mea_9nxC1RMMnWX8wa0U7wG1I60=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:49:23)/Documents/Produktbilder/PB_Eco/Eco-OR.jpg)
![Cavity Free Ecotube Couplings / Fittings / Union Nut Cavity Free Ecotube Couplings / Fittings / Union Nut](https://www.schwer.com/dynimg/OUo44Fyp0wIpYR9eEbY4MZfHrBU=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:49:01)/Documents/Produktbilder/PB_Eco/Eco-UM.jpg)
![Cavity Free Ecotube Couplings / Fittings / Insert Blind Blank Cavity Free Ecotube Couplings / Fittings / Insert Blind Blank](https://www.schwer.com/dynimg/i98Uu0eqBxhCGz0JI48NPPmHzQE=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:54:03)/Documents/Produktbilder/PB_Eco/Eco-BBS.jpg)
![Cavity Free Ecotube Couplings / Fittings / Bulkhead Union for both side welding Cavity Free Ecotube Couplings / Fittings / Bulkhead Union for both side welding](https://www.schwer.com/dynimg/HxlyRPPH3vbwDmdYZ1geLq7uYVE=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:50:01)/Documents/Produktbilder/PB_Eco/Eco-SV.jpg)
![Cavity Free Ecotube Couplings / Fittings / Male Part with milled Radius Welding-End Cavity Free Ecotube Couplings / Fittings / Male Part with milled Radius Welding-End](https://www.schwer.com/dynimg/XEP0TI1crnYBE0ZH06t5urOh7rE=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2018-10-02T06:51:56)/Documents/Produktbilder/PB_Eco/Eco-G-R55.jpg)
![Cavity Free Ecotube Couplings / Fittings / Male/Female Part Cavity Free Ecotube Couplings / Fittings / Male/Female Part](https://www.schwer.com/dynimg/Ds_lLX96QrmG_C4a3LEjQHs0Gi4=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:50:38)/Documents/Produktbilder/PB_Eco/Eco-G-G.jpg)
![Cavity Free Ecotube Couplings / Fittings / Thread Connector Cavity Free Ecotube Couplings / Fittings / Thread Connector](https://www.schwer.com/dynimg/JiAKVyCJLmsPX61QKx-A3TQiasw=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:50:58)/Documents/Produktbilder/PB_Eco/Eco-GE-G.jpg)
![Cavity Free Ecotube Couplings / Fittings / Thread Connector Cavity Free Ecotube Couplings / Fittings / Thread Connector](https://www.schwer.com/dynimg/JiAKVyCJLmsPX61QKx-A3TQiasw=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:50:58)/Documents/Produktbilder/PB_Eco/Eco-GE-G.jpg)
![Cavity Free Ecotube Couplings / Fittings / Thread Connector Cavity Free Ecotube Couplings / Fittings / Thread Connector](https://www.schwer.com/dynimg/JiAKVyCJLmsPX61QKx-A3TQiasw=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2013-07-10T09:50:58)/Documents/Produktbilder/PB_Eco/Eco-GE-G.jpg)
![Cavity Free Ecotube Couplings / Fittings / Pump Male/Male Part Cavity Free Ecotube Couplings / Fittings / Pump Male/Male Part](https://www.schwer.com/dynimg/pmsHcB12cRfKNs9-nklt2wrxmW0=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2018-10-02T06:51:43)/Documents/Produktbilder/PB_Eco/Eco-GEP.jpg)
![Cavity Free Ecotube Couplings / Fittings / Female/Male Union Female/Male Union](https://www.schwer.com/dynimg/IDNFS2gWxiXuFVN9bWrE2zTQJW8=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2018-10-02T06:51:56)/Documents/Produktbilder/PB_Eco/Eco-EAV.jpg)
![Cavity Free Ecotube Couplings / Valves and fittings / Eco Ball Valve Cavity Free Ecotube Couplings / Valves and fittings / Eco Ball Valve](https://www.schwer.com/dynimg/Ezhd0m_VoMYffpOzFSKVZRRXjRo=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2023-09-14T12:48:29)/Documents/Produktbilder/PB_A/A-WCPV.jpg)
![Cavity Free Ecotube Couplings / Valves and fittings / Check Valve Check Valve](https://www.schwer.com/dynimg/2hEuPVQ39vudUS3xSYjBqDDKCJY=/0x0:0x0/full-fit-in/260x260/filters:no-upscale():cachevalid(2019-04-11T07:21:22)/Documents/Produktbilder/PB_Eco/Eco-CVD.jpg)
The patented Ecotube fittings of Schwer Fittings fit in the category of gap and cavity-free fittings. Mainly used where piggable and smooth transitions be required in the pipe interior.
The sealing elements are (Round) chambered and outside the media stream and therefore are not directly in contact with the medium.
The Ecotube fittings are especially suitable in applications ranging from painting, food production, vacuum conveyor systems where they are used by major manufacturers as the standard version.
Deutschland:
UPS Standard: 3-4 Tage
UPS Express Saver: 1-2 Tage
Europa: 4-5 Tage / Europe: 4-5 days
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The length of a hose assembly is always measured between the sealing heads or, in the case of angled fittings, between the center points of the fitting.
Minimum hose length: 250 mm
The orientation is as follows: