The dynamics of water
dph(s)i horizontal stainless steel multi-stage centrifugal pump Efficient, reliable and wide range of uses
Designed to go beyond the performance of standard horizontal pumps in the market The dph(s)i is designed as a genuine ‘industrial’ horizontal pump. With ‘best in class’ hydraulic efficiency, wide temperature range, high pressure and low NPSHr. When your application sets high requirements on the pump, but installation space is limited, the dph(s) offers the solution. Designed for demanding conditions n n n n n n n
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Available in AISI 316 and AISI 304 Temperature range -20°C up to + 140°C Optional low NPSHr package Hmax ≤ 195 mwc Max pressure class PN25 Qmax 26,3 m3/hour 0 seal combinations possible in accordance 1 with EN12756 (Easy access and Cartridge) Drinking water approvals (WRAS/ACS) Extensive options in motors and controls D ischarge connection can be optionally placed on the left or right side or on top of the pump x2 plugs for draining and sensors on each side 2 of the casing, so they are allways easily accessible C ertification and test certificates are available upon request: among others, LR, BV, ABS, DNV GL 2.1; 2.2; 3.1 and 3.2.
dphsi 15/8 with IE5 motor and DP-Var control
Applications Industry – general Pressure boosting systems Transportation of drinking water
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Water treatment Hot water applications ransportation of T cooling water
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Total Cost of Ownership n
Superior efficiency
Motors
Comparison of the 3 most used horizontal pumps (A-brands), based on published efficiency figures
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Energycost in €
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Difference in energy-cost after 5 years €
3.000
n
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430
2.500
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635
2.000
50 Hz / 60 Hz DPH(S)I 2, 4 and 6 available with 2-pole motor, DPH(S)I 10 and 15 with 2 or 4-pole motor 1 and 3 phases Standard IE3 (≥0.75 kW), optional IE4 or IE5 Max 7.5 kW Also suitable for NEMA motor 200
DPHI 2, 4, 6, 10 en 15 - 50Hz
1.500 100
DP
1.000
n = 2900 min-1
50 2
500
4
6
10
15
n = 1450 min-1
H[m] 20
57%
53%
68%
Hydraulic efficiency
10-4P
15-4P
10
Qnom = 7m3/hour | 8.760 operating hours per year | 30 mwc pressure | € 0,15 per kWh 5
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Easy maintenance n Coupled motor n R eplace seal and engine without the need to disassemble the hydraulics
Robust and reliable n
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uction- and discharge connection close S to each other on the casing 0° angle, in line with industry standard 9 ast stainless steel pump foot C
2 2
3
5
10
20
30
Q[m3/u]
Technical data
50Hz
60Hz
Qmax
22,5 m3/uur
26,3 m3/uur
Hmax
136 mwc
Max pressure class
195 mwc PN25
Temperature of the medium
-20°C up to +140°C
Taper internal thread connection DIN-ISO 228-1
dph(s)i 2, 4 and 6 suction and discharge G 1 ¼ dph(s)i 10, 15 suction and discharge G2
dp pumps | Postbus 28 | 2400 AA Alphen aan den Rijn Holland | t. +31 172 48 83 88 | dp@dp-pumps.com | www.dp-pumps.com