Diaphragm Pump Yamada NDP15 BST
| Port Dimensions | ( 13.5 GPM Max. ) |
| Intake & discharge connection : | |
| Polypropylene ( PPG ) ▪ | 1/2″ Female NPT |
| Kynar ( PVDF ) | 1/2″ Female NPT |
| Groundable Acetal | 1/2″ Female NPT |
| Aluminium ( ADC-12 ) | 1/2″ Female NPT |
| Stainless Steel ( 316 ) | 1/2″ Female NPT |
| Air inlet ( Includes ball valve ) : | 1/4″ Female NPT |
| Air exhaust ( internal silencer ) : | 3/8″ Female NPT |
- Polypropylene pumps may be fitted with ball or flat check valves, Ball-type check valves are recommended for flooded suction applications. Flat-type check valves are recommended for suction lift applications.
- Kynar and Groundable Acetal pumps are fifted with flat check valves only.
- Aluminium and Stainless Steel pumps are fitted with ball check valves only
Maximum Liquid Temperature
| Diaphragm Material | Temperature |
| Buna N | 180°F ( 82°C ) |
| Neoprene | 180°F ( 82°C ) |
| Santoprene® (TPO ) | 180°F ( 82°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® fitted pumps is determined by the elastomer ( diaphragm material ). Polypropylene and Groundable Acetal pumps have a maximum liquid temperature of 180°F ( 82°C ) regardless of diaphragmn material.
Air supply Pressure ( All Models )
20 – 100 PSI ( 1.4 – 7 kfg/cm )
Discharge Volume per cycle
0.0338 gallons ( 128 cc )
Maximum Cycles per Minute
All Diaphragms : 400
Maximum Size Solid : 1/ 32″ ( 1 mm )
Maximum Dry Suction Lift
Flat type check valve : 8-feet
Ball-type check valve: 5-feet
Pump Air Motor : Ryton® air motor standard
Notes: Hytrel® fitted pumps include Buna N wetted o-rings.
Santoprene® fitted pumps include EPDM wetted o-rings
Aluminium
Dimensions : 8.66″ W x 10.71″H
Net Wt : 9.lbs. ( 4 kg )
Shipping Wt : 11 lbs
Stainless Steel
Dimensions : 8.66″ W x 11.73″ H
Net Wt : 13.6 lbs. ( 6.16 kg )
Shipping Wt. : 11 lbs
Kynar® ( PVDF )
Dimensions : 8.66″ W x 11.73″H
Net Wt : 9.4 lbs ( 4.2 kg )
Shipping Wt : 11 lbs
Groundable Acetal
Dimensions : 8.66″ W x 11.73H”
Net Wt : 9 lbs. ( 4 kg )
Shipping Wt : 11 lbs
Polypropylene
Dimensions : 8.66″W x 11.73H”
Net Wt : 7.7 lbs (3.5 kg )
Shipping Wt : 9.5 lbs
