PTFE
PTFE (polytetrafluoroethylene) offers almost universal chemical resistance – to concentrated acids and alkalis as well as solvents, fuels and oxidisers. In air-operated diaphragm pumps PTFE is used as a one-piece FUSION diaphragm or as a 2-piece diaphragm with an elastomer back-up, because PTFE itself has little elasticity. Pumps with this check valve are rated for fluid temperatures up to 175 °C (see the data sheet of each version).
Typical fluids
Aggressive chemicals, solvents, paints, high-purity fluids and any application where chemical compatibility is uncertain.
Typical applications
- Acids: mineral and organic acids
- Solvents: aromatic and aliphatic solvents, ketones, aldehydes, esters, chlorinated hydrocarbons, de-icers
- Coatings: emulsions, latex, pigments, resins, solvents, thinners
- Electroplating: aggressive acids and salts, residual sludges, waste water, neutralisation, caustic soda, ferric chloride
- Pharma: liquids, creams and additives
Limits
With highly abrasive slurries PTFE wears faster than Santoprene or Neoprene – worth comparing.
Matching pumps in our range
Versamatic air-operated double diaphragm pumps with this feature are available in these versions:
- Port sizes: 1 1/2" (DN 40), 1" (DN 25), 1/2" (DN 15), 1/4" (DN 8), 2" (DN 50), 3" (DN 80), 3/4" (DN 20)
- Flow ranges: 0–20 l/min, 20–50 l/min, 50–100 l/min, 100–200 l/min, 200–400 l/min, 400–700 l/min, 700–1100 l/min
- Housing materials: Aluminium, Stainless steel, Cast iron, Conductive polypropylene, PVDF, Polypropylene
- Diaphragms: EPDM, FKM (Viton), Hytrel (TPC), NBR (Buna-N), Neoprene (CR), PTFE, Santoprene (TPE)
All matching pumps are listed below – use the filters to narrow down flow rate, port size and materials.
Note: material information is for guidance only. Medium, concentration and temperature are decisive – if in doubt we check compatibility for your fluid.
Not sure which pump fits? Send us your medium, flow rate, pressure, temperature, density and viscosity – we will check the selection and reply with an offer.
Select characteristics
- SKU:
- AODD-E2PA3D539C-CP
- HAN:
- E2PA3D539C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: FKM
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA5F5T9C
- HAN:
- E2PA5F5T9C
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: max. 7,0 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE Fusion
- Solids size: 6,3 mm
- SKU:
- AODD-E2PA5F5T9C-CP
- HAN:
- E2PA5F5T9C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA5T5T9C
- HAN:
- E2PA5T5T9C
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: max. 7,0 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,3 mm
- SKU:
- AODD-E2PA5T5T9C-CP
- HAN:
- E2PA5T5T9C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA6D569C
- HAN:
- E2PA6D569C
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: Santoprene
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA6D569C-CP
- HAN:
- E2PA6D569C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: Santoprene
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA6D5T9C
- HAN:
- E2PA6D5T9C
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: Santoprene
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PA6D5T9C-CP
- HAN:
- E2PA6D5T9C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: Santoprene
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PS5F5T9C-CP
- HAN:
- E2PS5F5T9C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PS5T5T9C
- HAN:
- E2PS5T5T9C
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2PS5T5T9C-CP
- HAN:
- E2PS5T5T9C-CP
- Item weight:
- 31,30 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: Polypropylene
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SA3D539C-ATEX
- HAN:
- E2SA3D539C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: FKM
- Solids size: 6,0 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SA5F559C-ATEX
- HAN:
- E2SA5F559C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,0 mm
- SKU:
- AODD-E2SA5F559C-HD-ATEX
- HAN:
- E2SA5F559C-HD-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE Fusion
- Solids size: 6,0 mm
- SKU:
- AODD-E2SA5F5S0C-ATEX
- HAN:
- E2SA5F5S0C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 700 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE Fusion
- Solids size: 6,4 mm
- SKU:
- AODD-E2SA5F5S0C-B-ATEX
- HAN:
- E2SA5F5S0C-B-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 617 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 6,4 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SA5F5S9C-ATEX
- HAN:
- E2SA5F5S9C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE Fusion
- Solids size: 6,0 mm
- SKU:
- AODD-E2SA5F5S9C-HD-ATEX
- HAN:
- E2SA5F5S9C-HD-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,0 mm
- SKU:
- AODD-E2SA5T559C-ATEX
- HAN:
- E2SA5T559C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,0 mm
- SKU:
- AODD-E2SA5T559C-HD-ATEX
- HAN:
- E2SA5T559C-HD-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 606 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 6,0 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SA5T5S0C-ATEX
- HAN:
- E2SA5T5S0C-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 700 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,4 mm
- SKU:
- AODD-E2SA5T5S0C-B-ATEX
- HAN:
- E2SA5T5S0C-B-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 617 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 6,4 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SA5T5S9A-HP-ATEX
- HAN:
- E2SA5T5S9A-HP-ATEX
- Item weight:
- 65,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 341 Litres per minute
- Delivery pressure: max. 16,5 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,0 mm