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Definox Check and Pressure Relief Valves |
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SPECIFIC FEATURES FOR CHECK VALVES
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- The check and pressure relief valves valve have been designed especially for the food, pharmaceutical, cosmetic and chemical industries.
- No product entrapment areas, avoiding bacteriological development - when properly installed.
- Full bore.
- Easy disassembly, without tools.
- Body is machined from solid bar.
- Low pressure drop.
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| GENERAL CHARACTERISTICS |
- Check valve has full bore opening. The back pressure in the bore section is very low (approximately 1,3 psi).
- Dimensions: 1" - 1.5" - 2" - 2.5" - 3" - 4"
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| Material |
- Plus - Body - Spring: 304L or 316Lstainless steel
- Seal: Viton, silicone, metal-to-metal, molded Viton, Teflon on fractional sizes
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- Valve Ends
- Butt weld end
- Clamp
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| Surface finish |
- External RA = 150 Grit
- Internal RA = 180 Grit standard
- 400 Grit available, 10 RA
- Electro polishing available
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| Working conditions |
- Maximum pressure at 68oF 145 psi
- Back pressure 90 mbar (1,3 psi)
- Permissible maximum temperature 248oF
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SPECIFIC FEATURES FOR PRESSURE RELIEF VALVES
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| GENERAL CHARACTERISTICS |
- Ideal for pump bypass loops.
- Field adjustable or factory presets
- Dimensions: 1 1/2" - 2"
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| Material |
- Plug: 316L stainless steel
- Seal: Viton, or Teflon (special order)
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- Valve Ends
- Butt weld
- Clamp - special end connections also available by special order
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| Calibration Pressure |
- Spring 1: 1,45 to 43 psi
- Spring 2: 43 to 109 psi
- Spring 3: 109 to 188 psi
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| Permissible Maximum Temperature |
| 248oF
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| Viton® is a registered trademark of DuPont Dow Elastomers. |
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| ~ Technical data mentioned on this document can vary according to the technical changes.
~ The data on this site is as technically accurate as possible, but is subject to change and correction by Definox - as required.
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Definox ~ 2001 |
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