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DS single-phase 240 volt electric motor. DT three-phase 415 volt electric motor. DE petrol engine. DD Diesel engine. DH hand operated.
Duplex Series: Double diaphragm pump. Same head as a single pump but approx. twice the pumping capacity.
Material Options: Cast Iron, Bronze, Stainless steel & Alloys, special coatings also available.
Elastomer Options: Nitrile, Neoprene, EPDM, Natural rubber & Teflon.
Valve Options: Flap valves, Ball valves & Duckbill valves.
Motor Options: Special protection motors. Flameproof, Exe & Exd.
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