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-E3KP5T559A
- HAN:
- E3KP5T559A
- Item weight:
- 123,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 901 Litres per minute
- Delivery pressure: max. 7,0 bar
- Housing material: PVDF - Kynar
- Diaphragm material: PTFE (2-Pc)
- Solids size: 18,0 mm
- SKU:
- AODD-E3KP6X559A
- HAN:
- E3KP6X559A
- Item weight:
- 123,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 901 Litres per minute
- Delivery pressure: 6,8 bar
- Housing material: PVDF
- Diaphragm material: Santoprene
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2KS5F5T9C-CP
- HAN:
- E2KS5F5T9C-CP
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SS5T5S0C-FP-ATEX
- HAN:
- E3SS5T5S0C-FP-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- With FDA compliance
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2KS5T5T9C-CP
- HAN:
- E2KS5T5T9C-CP
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2KS5T5T9C
- HAN:
- E2KS5T5T9C
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SS5F5S0C-3A
- HAN:
- E2SS5F5S0C-3A
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 litres per minute
- Delivery pressure: 8,6 bar
- Housing material: Stainless Steel
- Diaphragm material: Teflon® - PTFE
- Solids size: max. 6,4 mm
- SKU:
- AODD-E2KA5F5T9C-CP
- HAN:
- E2KA5F5T9C-CP
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SJ5T5S0C-FP-ATEX
- HAN:
- E3SJ5T5S0C-FP-ATEX
- Item weight:
- 91,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- With FDA compliance
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2KA3D539C
- HAN:
- E2KA3D539C
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: FKM
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SJ5F5S0C-3A
- HAN:
- E2SJ5F5S0C-3A
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 617 litres per minute
- Delivery pressure: 8,6 bar
- Housing material: Stainless Steel
- Diaphragm material: Teflon® - PTFE
- Solids size: max. 6,4 mm
- SKU:
- AODD-E2KA5F5T9C
- HAN:
- E2KA5F5T9C
- Item weight:
- 42,20 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: PVDF - Kynar
- Diaphragm material: PTFE Fusion
- Solids size: 6,3 mm
- SKU:
- AODD-U2KP5F5T9
- HAN:
- U2KP5F5T9
- Item weight:
- 42,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 727 Litres per minute
- Delivery pressure: max. 8,5 bar
- Housing material: PVDF - Kynar
- Diaphragm material: PTFE Fusion
- Solids size: 6,0 mm
- SKU:
- AODD-E3SJ5T550C-FP-ATEX
- HAN:
- E3SJ5T550C-FP-ATEX
- Item weight:
- 91,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 886 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- With FDA compliance
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 9,5 mm
- SKU:
- AODD-E2KA5T5T9C-CP
- HAN:
- E2KA5T5T9C-CP
- Item weight:
- 42,20 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: PVDF
- Diaphragm material: PTFE
- Solids size: 6,3 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SS5F550C-SP-ATEX
- HAN:
- E2SS5F550C-SP-ATEX
- Item weight:
- 74,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 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-E2KA5T5T9C
- HAN:
- E2KA5T5T9C
- Item weight:
- 42,20 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: PVDF - Kynar
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,3 mm
- SKU:
- AODD-E3SS5T5S0C-ATEX
- HAN:
- E3SS5T5S0C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SS5T5S0C-B-ATEX
- HAN:
- E3SS5T5S0C-B-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-U2KP5T5T9
- HAN:
- U2KP5T5T9
- Item weight:
- 42,00 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 727 Litres per minute
- Delivery pressure: max. 8,5 bar
- Housing material: PVDF - Kynar
- Diaphragm material: PTFE (2-Pc)
- Solids size: 6,0 mm
- SKU:
- AODD-E3SS5T559C-ATEX
- HAN:
- E3SS5T559C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 704 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SS5T550C-SP-ATEX
- HAN:
- E2SS5T550C-SP-ATEX
- Item weight:
- 74,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 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-E3SS5T550C-B-ATEX
- HAN:
- E3SS5T550C-B-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SJ5F550C-SP-ATEX
- HAN:
- E2SJ5F550C-SP-ATEX
- Item weight:
- 60,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 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-E3SA3D539C-ATEX
- HAN:
- E3SA3D539C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 954 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: FKM
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SS7X550C-SP-ATEX
- HAN:
- E2SS7X550C-SP-ATEX
- Item weight:
- 74,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: Hytrel
- Solids size: 6,4 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E2SJ5T550C-SP-ATEX
- HAN:
- E2SJ5T550C-SP-ATEX
- Item weight:
- 60,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 549 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-E2SJ7X550C-SP-ATEX
- HAN:
- E2SJ7X550C-SP-ATEX
- Item weight:
- 60,80 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 2 Inch
- Flow rate: 670 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: Hytrel
- Solids size: 6,4 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5F5S9C-ATEX
- HAN:
- E3SA5F5S9C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5T5S9C-ATEX
- HAN:
- E3SA5T5S9C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 704 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5F5S0C-ATEX
- HAN:
- E3SA5F5S0C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5F559C-ATEX
- HAN:
- E3SA5F559C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 1033 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE Fusion
- Solids size: 9,5 mm
- SKU:
- AODD-E3SA5T5S0C-ATEX
- HAN:
- E3SA5T5S0C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5T5S0C-B-ATEX
- HAN:
- E3SA5T5S0C-B-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 682 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts
- SKU:
- AODD-E3SA5T559C-ATEX
- HAN:
- E3SA5T559C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 1033 Litres per minute
- Delivery pressure: max. 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: PTFE (2-Pc)
- Solids size: 9,5 mm
- SKU:
- AODD-E3SA2D530C-ATEX
- HAN:
- E3SA2D530C-ATEX
- Item weight:
- 76,20 kg
- Self-priming air-operated diaphragm pump (dry)
- Connection size: 3 Inch
- Flow rate: 867 Litres per minute
- Delivery pressure: 8,6 bar
- With explosion protection (ATEX)
- Housing material: Stainless Steel
- Diaphragm material: BunaN
- Solids size: 9,5 mmFurther technical data
Compatible repair kits or spare parts