Yamada
Yamada G15SN11-D — 1/2" Stainless Steel Diaphragm Drum Pump, Buna-N Diaphragm
Yamada G15SN11-D — 1/2" Stainless Steel Diaphragm Drum Pump, Buna-N Diaphragm
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The G15SN11-D is Yamada's 1/2" air-operated double-diaphragm pump in stainless steel, with a 16.6 GPM maximum. It passes solids to 1/32" (1 mm) and handles fluid to 180°F (82°C).
316 stainless construction is specified where corrosion resistance and cleanability both matter — dairy, brewing, fine chemicals and pharmaceutical transfer. Buna-N diaphragms and balls suit petroleum oils, diesel, hydraulic fluid and greases, but should be kept away from ketones and strong oxidizers. Ball check valves come as standard across the Global Series.
Supplied as a drum-mount package with dip tube and bung adapter. The Global Series air motor uses Yamada's S-Spool valve with no pilot valve and runs completely oil-free, so there are fewer parts to fail and no lubricator to maintain. It runs on plant air with no electrical supply at the pump, self-primes, and will sit stalled against a closed discharge without damage — useful on intermittent or dead-headed duty.
Stocked and shipped from Texas with fast dispatch and competitive pricing. Send over your application details if you want the material selection checked before ordering.
| Brand | Yamada |
|---|---|
| Model / MPN | G15SN11-D |
| Yamada item no. | G15SN11-D |
| Pump type | Air-operated double-diaphragm (AODD) |
| Series | G15 |
| Port size | 1/2" |
| Maximum flow | 16.6 GPM |
| Air supply pressure | 20-100 PSI |
| Maximum fluid discharge pressure | Same as max air supply (1:1 pump) |
| Maximum solids | 1/32" (1 mm) |
| Displacement per cycle | All diaphragms 0.040-0.050 gal |
| Maximum dry suction lift | 13.5 ft rubber / 11 ft PTFE |
| Maximum fluid temperature | 180°F (82°C) |
| Check valve type | Ball valve (standard on G Series) |
| Body / wetted materials | Stainless Steel (316) |
| Diaphragm material | Buna-N (NBR) |
| Ball material | Buna-N (NBR) |
| Air motor | S-Spool, no pilot valve, oil-free |
| Air inlet | 1/4” Female NPT |
| Air exhaust | 3/8” Female NPT |
| Port connection | NPT (North America) |
| Options | Drum pump |
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