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Warren Rupp

Warren Rupp

Warren Rupp’s SANDPIPER has held a leading position in the air-operated double-diaphragm (AODD) pump market with the broadest range of pump sizes, types, and models. Decades of innovation, combined with world-class engineering expertise, allows the SANDPIPER team to create products that meet the demands of an ever-changing marketplace. You can find Warren Pump’s SANDPIPER pumps in Petrochemical plants, oil & gas fields, food and beverage processing, mining, marine, and various other applications. Rugged and High Performing Air-Operated Double-Diaphragm Pumps For Tough Industrial Applications

Durable AODD Pumps For Critical Aerospace and Aviation Applications

Heavy-Duty Ball (HDB)

Warren Rupp's Sandpiper HDB3-BP

All SANDPIPER heavy-duty ball pumps are ATEX-certified. The HDB3 and HDB4 are available in top- and down-ported options for optimized performance. These porting configurations solve critical problems, such as solids and abrasives settling out of the liquid chamber into the ball check area. They are designed to outlast standard pumps.

HBD Pumps include:

  • SB1/SB25
  • HDB1-1/2/HDB40
  • HDB2/HDB50
  • HDB3

Heavy-Duty Flap (HDF)

Warren Rupp's Sandpiper SA1-BP

The heavy-duty flap valve pumps are configured with bottom discharge porting to provide superior suction lift and prevent settling solids from shortening pump life.

HDF include:

  • SA1/SA25
  • HD20F
  • HDF1/HDF25
  • HDF2

Standard Duty

Warren Rupp's Sandpiper S30-metallic

Standard Duty pumps are able to handle general-purpose applications reliability and consistently with a wide range of pumping options.

Standard Duty Pumps include:

  • SF1
  • S20 (Metallic and Non-Metallic)
  • S30 (Metallic and Non-Metallic)
  • X02
  • PB-1/4
  • S05
  • S07
  • S10
  • S15 (Metallic and Non-Metallic
  • S1F

AODD Pumps Play a Crucial Role Throughout All Steps of Automotive Manufacturing

UL Certified

Warren Rupp's Sandpiper U1F

UL Certified pumps are designed to meet UL Standards for pumps handling flammable liquids.

UL Certified Pumps include;

  • .U1F

Sandpiper AODD Pumps for Building Product Manufacturing & Construction

Containment Duty

Warren Rupp's Sandpiper S1F-non-metallic-containment

Containment Duty pumps have a unique design for leak avoidance. Excellent performance in harsh chemical environments. Available in metallic and non-metallic options.

Containment Pumps include:

  • S20
  • S30
  • ST1/ST25
  • ST1-1/2/ST40
  • S15
  • S1F

High Pressure (Single and Double-Diaphragm Pumps)

Warren Rupp's Sandpiper N25

High-Pressure pumps are 2:1 air-powered and discharge pressure up to 250 psi.

High-Pressure Pumps include:

  • SH2M
  • EH2M
  • N25
  • N50

Sandpiper AODD Pumps for Paints, Inks & Coatings


Warren Rupp's Sandpiper SMA3

Submersible Pumps include:

  • SMA3
  • SPA1-1/2

Sanitary Hygienic

Warren Rupp's Sandpiper F15C

This is a complete line of pumps to support the emerging need for biocide-free paint production.

Sanitary Hygienic Pumps include:

  • F15C
  • F20C

Sandpiper Air & Natural Gas Operated Double-Diaphragm Pumps Fuel Oil & Gas Industry

Traditional air-operated double-diaphragm (AODD) pumps are designed to be powered by compressed air only. As an alternate power source to air, oil and gas operators have opted to power their diaphragm pumps with easily accessible natural gas, eliminating the need for an air compressor. Applying AODD pumps driven by natural gas created a unique set of safety requirements that previously did not exist.

Oil & Gas

Warren Rupp's Sandpiper G05

Oil & Gas Pumps include:

  • G05
  • G10F
  • G15
  • G1F
  • G20
  • G20F
  • G30
  • GH2M

Efficient AODD Pumps Help the Packaging Industry Stay Competitive & Grow Internationally

Sandpiper T-Series FDA-Compliant Food Processing AODD Pumps

Warren Rupp's Sandpiper T1F(FV)

AODD Pump Solve Unique Sanitary Market Challenges

FDA Ball Valve

Warren Rupp's Sandpiper SSB1

These FDA ball valve pumps are stainless steel FDA-compliant pumps for pumping fluids containing up to line size solids without clogging.

FDA Ball Valve Pumps include:

  • SSB1
  • SSB2
  • T15
  • T1F
  • T20
  • T30
  • F05
  • F10
  • F15
  • F20
  • F30

Sandpiper 2″ FDA-Compliant Food Processing AODD Flap Valve Pump

Warren Rupp's Sandpiper TSA2(FV)

TSA2 2″ FDA-compliant AODD flap valve pumps are ideal for fluids containing large solids, shear-sensitive materials, or slurries. This unique sanitary pump uses wide-opening flap check valves in place of small-clearance ball check valves so that line-size solids will pass through easily.

Contact Us

Northwest Pump offers a variety of lines from Warren Rupp’s Sandpiper. Please reach out to our sales team for more information or give us a call at 800-452-PUMP.

Need Installation?

If you need help with installation, maintenance, and 24-hour emergency repair service, please reach out to our services team by calling 1-866-577-2755 or submit an inquiry, and we can get an appointment scheduled for you.