Yamada K40-PS Diaphragm Pump Replacement Parts Kit

Description:

The Yamada K40-PS is a liquid end repair kit used in air-operated double diaphragm (AODD) pump systems to replace diaphragms, valve balls, and sealing components for reliable fluid transfer. It is commonly used in Yamada NDP-40BPS series pumps where wear components degrade over time and require periodic replacement. It is widely applied in chemical processing, wastewater treatment, and coating systems where pump sealing and flow consistency are critical. Maintenance teams, OEMs, and integrators purchase this kit for preventative maintenance, pump rebuilds, and minimizing downtime in continuous-duty fluid handling systems.

Applications:

The Yamada K40-PS repair kit is used in industrial fluid handling environments where AODD pumps operate under continuous or high-cycle conditions. It is commonly deployed in chemical transfer, wastewater processing, coatings, and bulk fluid handling systems where maintaining diaphragm integrity and proper sealing ensures consistent flow, prevents leakage, and extends pump service life. It is specifically designed for NDP-40 series pumps used in larger-volume transfer applications.

Technical Specifications:

• Manufacturer: Yamada Corporation
• Part Number: K40-PS
• Product Type: Liquid end repair kit
• Pump Series Compatibility: NDP-40BPS
• Kit Function: Diaphragm, valve ball, and seal replacement
• Diaphragm Type: 40TPO (2 pcs)
• Valve Ball Type: 40TPO (4 pcs)
• Seal Components: O-rings (8 pcs total typical)
• Installation Location: Liquid end (fluid section)
• System Type: Air-operated double diaphragm (AODD) pump
• Material Type: TPO diaphragms, elastomer seals
• Pump Size Class: 40 series (~1.5" port pumps)
• Duty Cycle: Maintenance / wear component
• Operating Role: Maintains sealing, flow efficiency, and pump performance

Common Replacements:

• Yamada K40-PS-T1
• Yamada K40-MS
• Yamada K40-MT