Description
Yamada Pump NDP-25BST
Yamada Pump NDP-25BST AODD (Air Operated Double Diaphragm) Model 851541
NDP-25 Specifications
Port Dimensions (46.2 GPM Max.) Intake & discharge connection: Polypropylene (PPG) 1″ Female NPT Kynar® (PVDF) 1″ Female NPT Aluminum (ADC-12) 1″ Female NPT Stainless Steel (316) 1″ Female NPT Cast Iron 1″ Female NPT Air inlet (includes ball valve): 3/8″ Female NPT Air exhaust (includes silencer): 3/4″ Female NPT ANSI Flange also available — consult Yamada. Maximum Liquid Temperature* Diaphragm Material Temperature Buna N 180°F (82°C) Neoprene 180°F (82°C) Santoprene® (TPO) 180°F (82°C) EPDM 212°F (100°C) PTFE 212°F (100°C) Hytrel® (TPEE) 248°F (120°C) Viton® fluoroelastomer 248°F (120°C) *The maximum liquid temperature for metal and Kynar®-fit-ted pumps is determined by the elastomer (diaphragm material). Polypropylene pumps have a maximum liquid temperature of 180°F (82°C) regardless of diaphragm material. Air Supply Pressure (All Models) 20 – 100 PSI (1.4 – 7 kfg / cm)Discharge Volume Per Cycle Rubber diaphragm: 0.22 gallons (833 cc)PTFE diaphragm: 0.21 gallons (787 cc) Maximum Cycles Per Minute Rubber diaphragm: 210 PTFE diaphragm: 210 Maximum Size Solid 3/16″ (4.8 mm) Maximum Dry Suction Lift Rubber-fitted pump capability: 18-feet Air Motors: Aluminum air motors are standard on metal pumps; glass-filled polypropylene air motors are standard on plastic and Kynar®pumps. Optional: Split manifold—contact us.
