DEPA DH Next Generation Air Operated Double Diaphragm Pumps
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Technical Datasheet DEPA DH® Next Generation Air Operated Double Diaphragm Pumps www.depapumps.com www.cranecpe.com

Features and Benefits DEPA DH® Next Generation Air Operated Double Diaphragm Pump Series DH15, DH25, DH40, DH50 and DH80 are made of cast aluminum developed for industrial applications. Flexible Multiport-Connections Innovative Flange-Design • A customized manifold design that improves ball valve guidance, increases functionality and provides up to 25 different installation options • Error free assembling in combination with singlecenter block • Multi-porting provides many options for installation e.g.: - Vertical orientation can be easily used for emptying of drums - No additional adapters...

Features and Benefits Applications The aluminum housing material with universally selectable interior allows versatile application possibilities. For instance in • Painting- and coating industries • Printing- and gluing machines • Mechanical engineering and construction • Automotive Operation temperature of aluminum -10°C to +130°C. Further limitations are according to interior of pump, see table with product wetted interior Product wetted interior DEPA DH® Next Generation Air Operated Double Diaphragm Pumps of aluminium series are available in nominal sizes of ½” (DH15), 1”(DH25), 1 ½”...

Pump Sizes and Equipment DH Material Options Connecting Dimension DH (mm) / inch Housing Material Valve Seat Valve Ball Stainless Steel 1) Not for size 15 Further material options are available upon request Product Ports / Orientation of Manifolds Discharge Port S1 (inlet from bottom) S4 (inlet at opposite side of air inlet) S5 (inlet left hand side / view to air inlet) S3 (inlet right hand side / view to air inlet) S2 (inlet aligned with air inlet) Suction Port (outlet left hand side / view to air inlet) (outlet at same side as air inlet) outlet right hand side / view to air inlet) (outlet...

Air inlet Internal Air Valve (inch) Air inlet AirSave Sytem (M-Valve) (inch) Pressure side 1) External DEPA® AirSave System Exploded view

Performance Curves Example for pump selection Required is 2 m³/h as the flow rate at a discharge pressure of 4 bar. Recommend is the DH25 for this application. The needed air supply pressure is 4,3 bar. This equals an air consumption rate of 13 m³/h (between QI = 10 m³/h and QI = 20 m³/h). Discharge Pressure Discharge Pressure Discharge Pressure Discharge Pressure Operating Point Discharge Pressure Curves are based on internal Air Valve only

Available Accessories DEPA® AirSave System An innovative and robust DEPA® AirSave design increases the energy efficiency and service life of the pump. It delivers outstanding performance and operates at a low start-up pressure with hardly any leakage. Shorter maintenance downtime and reduced number of spare parts decreases the operating costs. The AirSave System is diversified for a broad range of applications. It is compatible with DEPA® Type DL-Series Polypropylen, Sizes 15/25/40 and with Type DH-Series Aluminium, Sizes 15/25/40. ATEX compliant if in combination with ATEX conform DEPA®...

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