Yamada NDP-20 air-operated diaphragm pump, 3/4", up to 120 L/min

Yamada NDP-20 is a medium-capacity air-operated double diaphragm pump: flow up to 31.7 gpm (120 L/min), 3/4" port, solids up to 1.6 mm, air pressure 1.4–7 bar. Suitable for chemicals, paints, oils and effluents.

Body in PP, PVDF, aluminium, cast iron or AISI 316; diaphragms in NBR, EPDM, Hytrel, Santoprene, FKM or PTFE. Model example NDP-20BPN — ball valve, polypropylene, Buna-N diaphragm. A high-pressure NDP-20*-HP version (2:1, up to ~12 bar) and drum NDP-20*-D versions are available.

Key features:

• 3/4" port, flow up to 120 L/min
• Solids up to 1.6 mm
• PP, PVDF, aluminium, cast iron or AISI 316 body
• Options: 2:1 high pressure and drum version

Specifications:

• Type: AODD
• Flow: up to 31.7 gpm (120 L/min)
• Port: 3/4"
• Solids: up to 1/16" (1.6 mm)
• Air pressure: 1.4–7 bar
• Body material: PP, PVDF, aluminium, cast iron, AISI 316
• Diaphragms: NBR, EPDM, Hytrel, Santoprene, FKM, PTFE
• Options: HP 2:1, drum version

Application: Transfer of chemicals, paints, oils and effluents.

Scope of supply: Pump assembly. Air piping and pulsation dampener are supplied separately.

Before ordering: Before ordering, specify the pumped liquid and its temperature, required flow and pressure, and the body and diaphragm materials — this combination in the model code determines chemical resistance, permissible temperature and pump weight.