38 mm (1-1/2") Pro-Flo® Series Clamped Metal AODD Pump P4

Featuring the original air-operated double-diaphragm pump design by Jim Wilden, clamped metal pumps offer a simple, rugged design for general industrial applications. Designed with ease of maintenance in mind, clamped pumps are simple to install and are made for quick serviceability, allowing the pump to be taken apart and put back together with only a single tool. Proven by the test of time, hundreds of thousands of Jim Wilden's clamped pumps have pumped billions of gallons of fluid on an annual basis.

• NPT and BSP threaded inlet/discharge liquid connections for quick disconnect/connect

• Decades of proven performance
• Clamped connections for faster maintenance
• Low cost
• Simple installation
• Ease of operation and maintenance

EOMs

Dimensional Drawings

Brochures

Spec Sheets

3D Models

Dimensions

Note: Dimensions vary by material and connection. For additional information, please refer to the P4 Metal Manual.

Flow Curve – TPE-Fitted

Note: Additional performance curves can be found in the P4 Metal Manual.

AIR INLET

• 1/2" FNPT

LIQUID INLET

• 38 mm (1-1/2")

LIQUID DISCHARGE

• 32 mm (1-1/4")

CONNECTION TYPE

• NPT/BSPT (Threaded)

MAX FLOW RATE

• Rubber – 288 lpm (76 gpm)
• TPE – 307 lpm (81 gpm)
• Full-Stroke PTFE – 330 lpm (87.2 gpm)
• Reduced-Stroke PTFE – 295 lpm (78 gpm)
• Ultra-Flex™ – 269 lpm (71 gpm)

MAX PRESSURE

• 8.6 bar (125 psi)

MAX DIAMETER SOLIDS

• 4.8 mm (3/16'')

MAX SUCTION LIFT CAPABILITY

• Rubber – 5.8 m (19.0') Dry, 8.0 (26.0') Wet
• TPE – 5.2 m (17.0') Dry, 8.8 m (29.0') Wet
• Full-Stroke PTFE – 6.4 m (21.0') Dry, 9.3 m (30.6') Wet
• Reduced-Stroke PTFE – 3.7 m (12') Dry, 8.5 m (28') Wet
• Ultra-Flex™ – 5.2 m (17.0') Dry, 8.5 m (28.0') Wet

DISPLACEMENT PER STROKE ^*

• Rubber – 0.98 L (0.26 gal)
• TPE – 1.1 L (0.29 gal)
• Full-Stroke PTFE – 1.1 L (0.29 gal)
• Reduced-Stroke PTFE – 0.53 L (0.14 gal)
• Ultra-Flex™ – .76 L (0.20 gal)
^* 1 cycle = 2 strokes

Wetted Housings

Non-Wetted Housings