^#1 in Distributing Specialty
Chemicals & Equipment

Email Us Today Free shipping on
all chemicals (48 states)

Home > Diaphragm Pumps

Diaphragm Metering Pumps

Diaphragm metering pumps are the most popular pumps used for metering/pumping chemicals such as boiler chemicals, cooling tower chemicals, biocides, chlorine, etc.

The most popular diaphragm pumps are designed are Manual Pumps, 4 to 20 mAmp pumps, and Batch/Timed Pumps.

Sort By:

Page of 1


Neptune PZ-31 Manual Pump Our Price: $635.00 Sale Price: $529.50 Savings: $105.50 (1)	Neptune PZ-31-VFC Manual Pump -12 gpd at 145 psi. Our Price: $595.00 Sale Price: $529.50 Savings: $65.50 (2)	Chemical Metering Pump - Multiple options up to 250 psi Our Price: $649.00 Sale Price: $586.00 Savings: $63.00

Neptune PZ-31 Pumps - 8 to choose from. Up to 11.4 gpd.	Neptune PZ-31-VFC Manual Pump -12 gpd at 145 psi.	Advantage Control Chemical Metering Pump - Up to 250 psi


Neptune PWP-31 (Pulse Control) Our Price: $991.00 Sale Price: $832.00 Savings: $159.00	Neptune Pump PWM-31 (4 to 20 mADC Control) Our Price: $1,090.00 Sale Price: $925.00 Savings: $165.00	Neptune PWT-31 (Timer/Batch Control) Our Price: $1,427.00 Sale Price: $1,195.00 Savings: $232.00

Neptune PWP-31 Pumps - 5 to choose from. Up to 11.4 gpd.	Neptune PWM-31 Pumps - 5 to choose from. Up to 11.4 gpd.	Neptune PWT-31 Pumps - 5 to choose from. Up to 11.4 gpd.

#1 in Distributing Specialty Chemicals & Equipment

Diaphragm Metering Pumps

^#1 in Distributing Specialty
Chemicals & Equipment