Wilden 1.5-inch, air-operated, double-diaphragm (AODD) metal pumps in the P4, T4 and PX4 Original Series provide the durability, chemical-resistance, abrasion-resistance and temperature range required in a variety of demanding process applications. P4 and T4 flow rate to 81 GPM, PX4 to 87 GPM, with maximum operating pressure at 125 PSI. Choose the elastomer based on its temperature limit:
Buna 10 - 180 degrees F
Neoprene 0 - 200
PTFE 40 - 300
Wil-Flex minus 40 - 225
Wilden 2-inch, air-operated, double-diaphragm (AODD) plastic pumps in the P8 and PX8 Original Series install fast and easily and provide a rugged, reliable design in a robust disposition for a wide range of demanding process applications. P8 flow rate to 155 GPM with maximum operating pressure at 125 PSI. Choose the elastomer based on its temperature limit:
Buna 10 - 180 degrees F
Neoprene 0 - 200
PTFE 40 - 300
Wil-Flex minus 40 - 225