| •dpj |  |
| DPV Vertical multistage in-line centrifugal pumps |
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| •High-grade product, with all wetted parts produced of stainless steel AISI 304. | |||||
| •High efficiency and long working life,no considerable maintenance. | |||||
| •Motor IP 55. | |||||
| •Low noise level. | |||||
| •Small floor space required. | |||||
| •Easy replaceable mechanical seal according to DIN 24960. | |||||
Applications: |
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•Booster sets |
•Air conditioning | ||||
| •Boiler feed | •Sprinkler installations(jockey pump) | ||||
| •Water treatment | •Car wash | ||||
| •Substrate systems | •Fire fighting | ||||
| •Irrigation | •Cooling water transport | ||||
| •Marine applications | |||||
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Construction: |
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| •Vertical multistage centrifugal pump, suitable for clean, watery liquids. | |||||
| •Equipped with ceramic wear-resistant liquid lubricated bearings. | |||||
| •Shaft sealing by means of easy replaceable mechanical seal. | |||||
| •Pump fulfils the most recent safety regulations (CE-marking). | |||||
| •Sleeve sealings by means of O-rings. | |||||
| •Connections 'in-line' in two versions: oval (DPV) and DIN (DPVF) flanges. | |||||
| •All hydraulic components, such as shaft pump foot etc., manufactured of stainless steel AISI 304. Base plate and motor lantern made of cast iron. Base plate protected by coating. | |||||
| Motor: | |||||
| •Specially developed three-phase motors, 2850 RPM, 50 Hz, IP 55 according to IEC standard, insulation class F. | |||||
| •Direction of rotation clockwise, seen from the top of the motor. | |||||
| •Also available with single-phase motor 230V, 50 Hz, IP 54. | |||||
| Special versions: | |||||
| •Oval counter flanges with stainless steel AISI 316 female threaded inlay. | |||||
| •The pumps can be delivered with special motors like explosion proof,60 Hz, etc. | |||||
| •Connecting flanges according to ANSI/JIS. | |||||
| •Motor flanges according to NEMA. | |||||
| •Mechanical seal: silicon-carbide/silicon-carbide/Viton | |||||
| •Elastomers available in Viton instead of EPDM. | |||||
| Material specification: | |||||
| Top plate/pump foot/impellers/diffuses/sleeve | : stainless steel AISI 304 | ||||
| Seal bush/ pump shaft | : Stainless steel AISI 304 | ||||
| Bearings | : ceramic, Al2O3 96% | ||||
| Shaft protection bushes | : tungsten carbide | ||||
| Base plate | : cast iron, GG 22 | ||||
| Motor lantern/ counter flanges | : cast iron GG 25 | ||||
| Filling-, draining plug | : brass | ||||
| Elastomers | : EPDM | ||||
| Collar flanges | : cast iron,GGG 40 | ||||
| Mechanical seal | |||||
| DPVS 2/4 | : 1-10 impellers: carbon/ ceramic, Al2O3 99% 11-25 impellers: carbon/ silicon-carbide | ||||
| DPVS 10 | : 1-8 impellers: carbon/ ceramic, Al2O3 99% 9-20 impellers: carbon/ silicon-carbide | ||||
| DPVS 14 | : 1-18 impellers: carbon/ ceramic, Al2O3 99% 20 impellers: carbon/ silicon-carbide | ||||
| DPVS 18 | : 1-7 impellers: carbon/ ceramic, Al2O3 99% 8-16 impellers: carbon/ silicon-carbide | ||||
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