Yamada NDP-25BPS-FLG-SVT Air Operated Diaphragm Pump

Description:

The Yamada NDP-25BPS-FLG-SVT (853850) is a 1” air-operated double diaphragm (AODD) pump used in industrial fluid handling systems to transfer liquids using compressed air without electrical power. It is commonly used in chemical processing, wastewater systems, and coating or transfer applications where reliable, leak-free pumping is required. Maintenance teams, OEMs, and integrators purchase this pump for new installations, replacement of failed pumps, and retrofit of systems handling aggressive or hazardous fluids.

Applications:

The Yamada NDP-25BPS-FLG-SVT diaphragm pump is used in industrial environments requiring safe and efficient fluid transfer, especially for corrosive, viscous, or flammable liquids. It is commonly deployed in chemical plants, wastewater treatment facilities, paint and coating systems, and general manufacturing where air-powered pumps are preferred for their explosion-proof operation and ability to handle solids and slurries.

Technical Specifications:

• Manufacturer: Yamada Corporation
• Model: NDP-25BPS-FLG-SVT (853850)
• Product Type: Air-operated double diaphragm (AODD) pump
• Port Size: 1” flange inlet/outlet
• Max Flow Rate: ~46.2 GPM
• Air Supply Pressure: 20–100 PSI
• Max Solid Passage: ~3/16" (4.8 mm)
• Body Material: Polypropylene (chemical resistant)
• Diaphragm Material: Santoprene (TPO)
• Valve Type: Ball valve design
• Air Inlet: 3/8" NPT
• Air Exhaust: 3/4" NPT (with silencer)
• Operation: Pneumatic, self-priming, stall-resistant
• Max Temperature: ~180°F (82°C)
• Duty Cycle: Continuous industrial operation
• Safety: Intrinsically explosion-proof (air-driven)

Common Replacements:

• Yamada NDP-25BPS-PP-FLG
• Yamada NDP-25BAT series pumps
• Yamada NDP-40 series (higher capacity upgrade)