Design
Glanded double pump in in-line design with flange connection
Application
Pumping of heating water (acc. to VDI 2035), chilled water, and water/glycol mixtures without abrasive substances in heating, chilled water, and cooling systems.
Typekey
| Example | DPL 40/160‐4/2 |
| DPL | In-line double pump |
| 40 | Nominal diameter DN of the pipe connection |
| 160 | Nominal impeller diameter |
| 4 | Nominal motor power P2 in kW |
| 2 | Number of poles |
Technical data
- Permissible temperature range -20 °C to +120 °C
- Mains connection 3~400 V, 50 Hz (others on request)
- Protection class IP 55
- Nominal diameter DN 32 to DN 100
- Max. operating pressure 10 bar (special version: 16 bar)
Materials
- Pump housing and lantern: EN-GJL-250
- Impeller: PP fiberglass-reinforced/EN-GJL-200 (depending on pump type)
- Shaft: 1.4021
- Mechanical seal: AQ1EGG; other mechanical seals on request
Construction
Single-stage, low-pressure double pump in in-line design with
- Switchover valve
- Mechanical seal
- Flange connection with pressure measuring connection R 1/8
- Motor with one-piece shaft
Scope of delivery
- Pump
- Installation and operating instructions
