Yamada

Yamada Pumps NDP-5 Series Air Operated Double Diaphragm Pump (AODD) provides a maximum flow rate of 3.4 gallons per minute. Pumps are available in aluminum, stainless steel (316), Kynar (PVDF), groundable acetal, and polypropylene construction, with a wide variety of diaphragm materials.

Yamada Pumps NDP-15 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 13.5 gallons per minute. Pumps are available in aluminum, stainless steel (316), Kynar (PVDF), groundable acetal, and polypropylene construction, with a wide variety of diaphragm materials.

Yamada Pumps NDP-20 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 28 gallons per minute. Pumps are available in aluminum, stainless steel (316), and polypropylene construction, with a wide variety of diaphragm materials.

Yamada Pumps NDP-25 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 49 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.

The G15 Series Stainless Steel Pumps are designed to provide maximum performance, while maintaining the reliability that you’ve grown accustomed to from Yamada. These 1/2” pumps are perfect for spraying and dispensing applications, particularly when on and off cycling reliability is critical. Utilizing our new Step Spool (S-Spool), the G15 uses up to 30% less air than the competition.

Maintenance is also a breeze with fewer removable parts.

• No lubrication required
• Stall Free / S-Spool Design
• Fewer Wearing Parts
• Ease of Repair - Quick teardown / Rebuild
• 30% less air consumption over competitor’s pumps
• Perfect for dispensing and spraying
• Critical reliability for On/Off cycling

G50 Global Series Yamda Diaphragm Pumps

Interchangebility - Seeking longer life from your diaphragm pumps? The G50 is a direct drop-in replacement for existing brands, making pump change-outs easy without the need to reconfigure piping.

Lightweight - The G50 stands out as the lightest 2” aluminum pump among competitive brands, ideal for portability and placement in hard-to-reach areas.

Ease of Maintenance - Featuring the fewest total parts and the least number of wearing parts, the G50 is perfect for quick and cost-effective rebuilds.

Lube Free, Non-Stall Air Valve Technology - The G50 employs the field-proven C Spool technology from the NDP series. It never requires lubrication and is component replaceable, eliminating the need for costly assembly replacements.

Technical Specifications

• Body Material: Aluminum
• Elastomer Options: PTFE, Hytrel, Buna N, TPO
• Port Connections: 2” NPT x 2” NPT
• Air Inlet: 3/4” NPT
• Maximum Flow Rate: 193 GPM
• Air Supply Pressure: 20-125 PSI
• Operating Temperature: -40°F (-37°C) - 248°F (120°C)
• Maximum Solid Size: 5/16” (8 mm)
• Weight: 64 - 66 lbs.
• Shipping Weight: 76 lbs.

Liquid End Kits and Air Motor Kit also available along with other repair part.

Liquid End Kits

• KG50-MN
• KG50-MT
• KG50-MH
• KG50-MS

Air Motor Kit

• KG50-AM

NDP-800 Air Operated Double Diaphragm Pumps

NDP-800 Series

SERIES OVERVIEW

• Maximum Flow Rate: Delivers up to 305 GPM.
• Pump Size: 3" stainless steel air-operated double diaphragm (AODD) pump.
• Proven Platform: Uses the same wearing parts as NDP-80 pumps.
• Extended Diaphragm Life: Performance optimization minimizes wear and extends service intervals.
• Quick Service Design: Square flanges support the pump during maintenance for quick disassembly and assembly.
• Portability: Reduced weight compared to comparable models for easier handling and installation.
• Industrial Construction: Designed for demanding industrial applications requiring durability and consistent performance.

KEY FEATURES

• High Flow Capacity: Delivers up to 305 GPM for increased transfer rates.
• Proven Technology: Built on the established NDP pump platform.
• Ease of Maintenance: One universal wearing parts platform shared with NDP-80 pumps.
• Extended Service Intervals: Optimized design helps reduce maintenance frequency.
• Quick Service Design: Square flange construction assists maintenance procedures.
• Portable Design: Lighter weight than comparable models.

FLUID PORTS

• Port Size: 3 in.
• Connection Types: NPT or flange.

MATERIALS

• Body Material: Stainless Steel.
• Diaphragm Materials:
• Buna N
• Neoprene
• Santoprene
• EPDM
• PTFE
• Hytrel
• Viton Ultimate

TECHNICAL DATA

• Maximum Flow Rate: 305 GPM
• Air Supply Pressure: 20 - 120 PSI
• Maximum Solid Size: 13/32 in. (10 mm)
• Maximum Lift: 18 ft (5.5 m)
• Net Weight: 231 lbs
• Shipping Weight: 271 lbs

DIAPHRAGM TEMPERATURE RANGES

• Buna N: 10°F to 180°F (-12°C to 82°C)
• Neoprene: 0°F to 180°F (-17°C to 82°C)
• Santoprene: -10°F to 180°F (-23°C to 82°C)
• EPDM: -40°F to 212°F (-40°C to 100°C)
• PTFE: 40°F to 212°F (4°C to 100°C)
• Hytrel: 0°F to 248°F (-17°C to 120°C)
• Viton Ultimate: -20°F to 248°F (-28°C to 120°C)

APPLICATIONS

• Industrial fluid transfer applications
• Operations requiring high flow rates
• Applications requiring solids handling up to 10 mm
• Demanding process environments requiring stainless steel construction
• General-purpose industrial pumping operations

Yamada NDP-32 Series Double Diaphragm Pump

With all the features of the Yamada NDP series, the NDP-32 adds port compatibility to simplify pump replacement. Yamada Pumps remedies re-piping issues with the NDP-32 series pump. Designed to facilitate pump replacement for existing non-Yamada pump installations, the NDP-32 utilizes a 1-1/2" NPT inlet port with a 1-1/4" NPT outlet port to ensure compatibility with competitor designs.

The NDP-32 is available with all Yamada elastomer offerings: Buna N, Hytrel, Viton, EPDM, Neoprene, Santoprene, and PTFE.

As with all NDP series pumps, the NDP-32 incorporates the same patented Non-Lubricated Air Motor technology and has all the features of the NDP line including bolted design, outside accessible air motor, ease of maintenance, interchangeability of parts, and Yamada reliability.

Yamada NDP-40 Series Double Diaphragm Pumps

Yamada NDP-40 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 116 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.

Yamada NDP-50 Series Double Diaphragm Pumps

Yamada NDP-50 series Air Powered Double Diaphragm (AODD) pumps provide a maximum flow rate of 166 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, polypropylene, and Kynar construction, with a wide variety of diaphragm materials.

NDP‑500 Stainless Steel Series

The transfer portal is officially open.

The industry’s highest‑capacity 2" diaphragm pump, delivering an impressive maximum flow of 226.

◆ Redesigned internal geometry boosts overall efficiency, allowing the pump to operate at significantly lower speeds—cutting energy use and reducing operating expenses.

◆ Compatible with existing diaphragms, balls, seats, and the trusted NDP air motor, streamlining parts management and making system upgrades effortless.

◆ The most durable diaphragm pump on the market is now even simpler to service.

• A single universal fastener is used throughout the pump body for straightforward maintenance.

• Square flanges provide stable support during service work, enabling fast teardown and reassembly.

• Lighter than comparable units, improving portability, handling, and installation.

Yamada NDP-500 Technical Data

General Specifications

• Port Dimensions: 2” Flange & NPT
• Maximum Flow Rate: 226 GPM
• Air Supply Pressure: 20–125 PSI
• Maximum Solid Size: 5/16”
• Maximum Lift: 19.5 ft
• Body Material: Stainless Steel

Maximum Liquid Temperature by Diaphragm Material

Yamada NDP-80 Series Double Diaphragm Pumps

The Yamada NDP-80 series is the flagship of the NDP line of Air Powered Double Diaphragm (AODD) pumps, providing a maximum flow rate of 214 gallons per minute. Pumps are available in aluminum, stainless steel (316), cast iron, and polypropylene construction, with a wide variety of diaphragm materials.

Yamada Pumps DP-10/DP-15 series Air Powered Double Diaphragm (AODD) Pumps provide a maximum flow rate of 6 gallons per minute (DP-10) or 8 gallons per minute (DP-15). DP-10 pumps are available in aluminum, stainless steel (316), and polypropylene, DP-15 pumps are available in either polypropylene or groundable acetal. A wide selection of diaphragm materials cover a variety of applications.

Xtreme Duty Pro XDP For xtremely demanding process applications

The Yamada Xtreme Duty Pro XDP is designed for use in process type applications including filter press, high pressure, extended deadheading, long runs of discharge pipe, and where air consumption is critical.

XDP pumps are capable of running on air pressure equivalents as high as 125 PSI or as low as 5 PSI and provide the same liquid side performance as the NDP series pumps.

Yamada FDA compliant pumps are specifically designed for Food, Pharmaceutical & Cosmetic industries where 3A or USDA standards are not required.

Designed for Food, Pharmaceutical & Cosmetic Industries

Pumps include 316 Stainless Steel wetted components with Passivated Satin Finish, PTFE-Coated Air Motor*, Sanitary Clamp Fittings, and FDA compliant elastomers: Hytrel, EPDM and PTFE.

Yamada Drum Pumps are Air-Powered Double Diaphragm Pumps have distinct design advantages that make them very versatile and cost effective drum pumps.

Models are available in Polypropylene, PVDF (Kynar), Aluminum, and Stainless Steel which includes a 2" bung adapter and 33" suction tube.

Yamada AD-10 Series dampeners maximize flow consistency by smoothing jitter due to diaphragm pulsation. Yamada AD-10 dampeners are available in aluminum, stainless steel (316), and polypropylene construction, with a wide variety of diaphragm materials.

Fits pump models NDP-5, NDP-15, DP-10, and DP-15

Yamada AD-25 Series dampeners maximize flow consistency by smoothing jitter due to diaphragm pulsation. Yamada AD-25 dampeners are available in aluminum, cast iron, stainless steel (316), Kynar (PVDF), and polypropylene construction, with a wide variety of diaphragm materials.

Fits pump models NDP-20, NDP-25, and NDP-32

Yamada AD-40 Series dampeners maximize flow consistency by smoothing jitter due to diaphragm pulsation. Yamada AD-40 dampeners are available in aluminum, cast iron, stainless steel (316), and polypropylene construction, with a wide variety of diaphragm materials.

Fits pump models NDP-40, DP-40-HD

Yamada AD-50 Series dampeners maximize flow consistency by smoothing jitter due to diaphragm pulsation. Yamada AD-50 dampeners are available in aluminum, cast iron, stainless steel (316), Kynar (PVDF), and polypropylene construction, with a wide variety of diaphragm materials.

Fits pump models NDP-50, NDP-80, DP-50-HD, and DP-80-HD

Yamada Pump Repair Kits for Air Operated Double Diaphragm Pumps (AODD) for NDP-5, DP-10, DP-15, NDP-15, NDP-20, NDP-25, NDP-32, NDP-40, NDP-50, NDP-80, FDA Compliant Pumps, UL Listed, Pumps, CSA Listed Pumps, Solids Handling, Powder Pumps, Split Manifold, High Pressure, Drum Pumps & Electro Polished Pumps

Yamada Pump Repair Parts for NDP-5, DP-10, DP-15, NDP-15, NDP-20, NDP-25, NDP-32, NDP-40, NDP-50, NDP-80, FDA Compliant Pumps, UL Listed, Pumps, CSA Listed Pumps, Solids Handling, Powder Pumps, Split Manifold, High Pressure, Drum Pumps & Electro Polished Pumps