Home Pump TypesPositive Displacement Pumps

Positive Displacement Pumps

Browse Positive Displacement Pumps Pump Types

Metering

82,163 products

Diaphragm Pumps

19,485 products

Injection / Dosing

8,561 products

Mechanically Actuated

6,746 products

Drum

3,545 products

Piston

910 products

Progressive Cavity

21,105 products

Rotary

35 products

Flexible Impeller

69 products

Gear

21,657 products

Sanitary Pumps

1,571 products

Peristaltic

3,238 products

Pneumatic

1,624 products

Bellows

68 products

Positive Displacement

Filters

No filters available

125,002 products

Wilden

08-0119

Wilden 08-0119 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/AAAPP/TNU/TF/ATF/0014. 496 lpm (131 gpm) Max Flow, 51 mm (2") BSPT Suction & Discharge. Aluminum Wetted Parts, Outer Piston, Air Chamber & Seats, Polypropylene Center Block & Air Valve, PTFE O-Rings & Balls, PTFE w/Neoprene Backup Reduced-Stroke Diaphragms. 04-9985-20 ADS Repair Kit, 08-9804-55 Wet End Kit, 71-7592 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$3,165.30

Wilden

08-0120

Wilden 08-0120 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/AAAPP/NEU/NE/NE. 526 lpm (139 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Aluminum Wetted Parts, Outer Piston & Air Chamber, Polypropylene Center Block & Air Valve, Neoprene Seats, Ultra-Flex Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-51-212 Wet End Kit Available to order. A PSG Dover Brand Product.

$2,124.90

Wilden

08-0121

Wilden 08-0121 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/AAAPP/NEU/NE/NE/0014. 526 lpm (139 gpm) Max Flow, 51 mm (2") BSPT Suction & Discharge. Aluminum Wetted Parts, Outer Piston & Air Chamber, Polypropylene Center Block & Air Valve, Neoprene Seats, Ultra-Flex Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-51-212 Wet End Kit Available to order. A PSG Dover Brand Product.

$2,124.90

Wilden

08-0122

Wilden Pumps 08-0122 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/AAAPP/WFS/WF/WF. Aluminum Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-15238 P8/AAAPP/ZWS/WF/WF for Compatible Replacement.

Price not available

Wilden

08-0123

Wilden 08-0123 Pro-Flo 2" (51mm) Clamped Plastic Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/PKAPP/TNU/TF/PTV. 481 lpm (127 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Polypropylene Wetted Parts, Center Block, Air Valve & Seats, PVDF Outer Piston, Aluminum Air Chamber, PTFE-Encapsulated FKM O-Rings, PTFE w/Neoprene Backup Reduced-Stroke Diaphragm, PTFE Balls. 04-9985-20 ADS Repair Kit, 08-9805-55 Wet End Kit, 71-7317 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$5,924.70

Wilden

08-0124

Wilden Pumps 08-0124 Pro-Flo 2" (51mm) Clamped Plastic Air Operated Diaphragm AODD Pump Model: P8/PKAPP/WFS/WF/PWF. Polypropylene Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-14951 P8/PKAPP/ZWS/WF/PWF for Compatible Replacement.

Price not available

Wilden

08-0125

Wilden 08-0125 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/SSAPP/TNU/TF/STF. 496 lpm (131 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Stainless Steel Wetted Parts, Outer Piston & Seats, Polypropylene Center Block & Air Valve, Aluminum Air Chamber, PTFE O-Rings & Balls, PTFE w/Neoprene Backup Reduced-Stroke Diaphragms. 04-9985-20 ADS Repair Kit, 08-9804-55 Wet End Kit, 71-7565 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$7,057.80

Wilden

08-0126

Wilden 08-0126 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/SSAPP/TNU/TF/STF/0014. 496 lpm (131 gpm) Max Flow, 51 mm (2") BSPT Suction & Discharge. Stainless Steel Wetted Parts, Outer Piston & Seats, Polypropylene Center Block & Air Valve, Aluminum Air Chamber, PTFE O-Rings & Balls, PTFE w/Neoprene Backup Reduced-Stroke Diaphragms. 04-9985-20 ADS Repair Kit, 08-9804-55 Wet End Kit, 71-7591 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$7,057.80

Wilden

08-0127

Wilden Pumps 08-0127 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/SSAPP/WFS/WF/WF. Stainless Steel Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-15368 P8/SSAPP/ZWS/WF/WF for Compatible Replacement.

Price not available

Wilden

08-0128

Wilden 08-0128 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/WWAPP/BNS/BN/BN. 623 lpm (165 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Ductile Iron Wetted Parts & Outer Piston, Aluminum Air Chamber, Polypropylene Center Block & Air Valve, Buna-N Seats, Traditional Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-52 Wet End Kit, 71-7359 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$2,771.10

Wilden

08-0129

Wilden 08-0129 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/WWAPP/NES/NE/NE. 623 lpm (165 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Ductile Iron Wetted Parts & Outer Piston, Aluminum Air Chamber, Polypropylene Center Block & Air Valve, Neoprene Seats, Traditional Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-51 Wet End Kit, 71-7215 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$2,725.20

Wilden

08-0130

Wilden Pumps 08-0130 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/WWAPP/WFS/WF/WF. Ductile Iron Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-15365 P8/WWAPP/ZWS/WF/WF for Compatible Replacement.

Price not available

Wilden

08-0131

Wilden Pumps 08-0131 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/WWAPP/WFS/WF/WF/0014. Ductile Iron Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-15446 P8/WWAPP/ZWS/WF/WF/0014 for Compatible Replacement.

Price not available

Wilden

08-0132

Wilden 08-0132 Pro-Flo 2" (51mm) Clamped Plastic Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/PKAPP/NES/NE/PBN. 591 lpm (156 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Polypropylene Wetted Parts, Center Block, Air Valve & Seats, PVDF Outer Piston, Aluminum Air Chamber, Buna-N O-Rings, Neoprene Traditional Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9805-51 Wet End Kit, 71-7314 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$4,836.60

Wilden

08-0135

Wilden 08-0135 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/WSAPP/TNU/TF/MTF. 496 lpm (131 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Ductile Iron Wetted Parts, Stainless Steel Outer Piston, Aluminum Air Chamber, Polypropylene Center Block & Air Valve, Mild Steel Seat, PTFE O-Rings & Balls, PTFE w/Neoprene Backup Reduced-Stroke Diaphragms. 04-9985-20 ADS Repair Kit, 08-9804-55 Wet End Kit, 71-7215 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$4,400.10

Wilden

08-0138

Wilden Pumps 08-0138 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/SSAPP/FSS/FS/FS/0070. Stainless Steel Wetted Parts, Saniflex (Hytrel) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-14720 P8/SSAPP/ZSS/FS/FS/0070 for Compatible Replacement.

Price not available

Wilden

08-0140

Wilden 08-0140 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/AAAPP/BNU/BN/BN. 526 lpm (139 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Aluminum Wetted Parts, Outer Piston & Air Chamber, Polypropylene Center Block & Air Valve, Buna-N Seats, Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-52-212 Wet End Kit Available to order. A PSG Dover Brand Product.

$2,169.00

Wilden

08-0142

Wilden 08-0142 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/SSAPP/NES/NE/NE. 623 lpm (165 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Stainless Steel Wetted Parts & Outer Piston, Polypropylene Center Block & Air Valve, Aluminum Air Chamber, Neoprene Seats, Traditional Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-51 Wet End Kit, 71-7565 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$5,572.80

Wilden

08-0143

Wilden 08-0143 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/SSAPP/VTU/TF/STF. 526 lpm (139 gpm) Max Flow, 51 mm (2") NPT Suction & Discharge. Stainless Steel Wetted Parts, Outer Piston & Seats, Polypropylene Center Block & Air Valve, Aluminum Air Chamber, PTFE O-Rings & Balls, FKM Ultra-Flex Diaphragms. 04-9985-20 ADS Repair Kit Available to order. A PSG Dover Brand Product.

$7,734.60

Wilden

08-0144

Wilden Pumps 08-0144 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/AAAPP/WFS/WF/WF/0014. Aluminum Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-15495 P8/AAAPP/ZWS/WF/WF/0014 for Compatible Replacement.

Price not available

Wilden

08-0145

Wilden Pumps 08-0145 Pro-Flo 2" (51mm) Clamped Metal Air Operated Diaphragm AODD Pump Model: P8/WWAPP/PUS/PU/PU. Ductile Iron Wetted Parts, Polyurethane Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please Call for Replacement.

Price not available

Wilden

08-0158

Wilden 08-0158 Pro-Flo 2" (51mm) Clamped Metal Air Operated Double Diaphragm AODD Pump (P8), MODEL: P8/WWAPP/NES/NE/NE/0014. 623 lpm (165 gpm) Max Flow, 51 mm (2") BSPT Suction & Discharge. Ductile Iron Wetted Parts & Outer Piston, Aluminum Air Chamber, Polypropylene Center Block & Air Valve, Neoprene Seats, Traditional Diaphragms & Balls. 04-9985-20 ADS Repair Kit, 08-9804-51 Wet End Kit, 71-7473 SD Dampener, 01-8340-99 FRL/FRC, 65-8115-99 Wil-Gard Available to order. A PSG Dover Brand Product.

$2,725.20

Wilden

08-0159

Wilden Pumps 08-0159 Pro-Flo 2" (51mm) Clamped Plastic Air Operated Diaphragm AODD Pump Model: P8/PKCPP/WFS/WF/PWF. Polypropylene Wetted Parts, Wil-Flex (Santoprene) Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please refer to 08-14951 P8/PKAPP/ZWS/WF/PWF for Compatible Replacement.

Price not available

Wilden

08-0161

Wilden Pumps 08-0161 Pro-Flo 2" (51mm) Clamped Plastic Air Operated Diaphragm AODD Pump Model: P8/PKAPP/PUS/PU/PPU. Polypropylene Wetted Parts, Polyurethane Diaphragms & Valve Balls. *** OBSOLETE ITEM *** Please Call for Replacement.

Price not available

Popular Series

Series associated to this product and brand

Shop PumpCatalog with Confidence

Every order is secured with SSL encryption and trusted payment processing. Your information is always safe.

Positive Displacement Pumps

Browse Positive Displacement Pumps Pump Types

Related Products and Parts

Popular Series

Positive Displacement Pumps

Browse Positive Displacement Pumps Pump Types

Related Products and Parts

Popular Series

Positive Displacement Pumps

Browse Positive Displacement Pumps Pump Types

Related Products and Parts

Popular Series

Find all the technical information in our Resource Center

Positive Displacement Pumps

Browse Positive Displacement Pumps Pump Types

Related Products and Parts

Popular Series

Find all the technical information in our Resource Center