Description
The Pentax DTRT 1000 400v (code 020-666) is the most powerful pump in the DTR high head grinder range, with a 7.5 kW (10 HP) three-phase motor drawing 15.5 A at 400v and a DN65 flanged outlet. Pentax gives it a maximum head of 54.6 metres, 49.2 metres at 150 litres per minute and 42.7 metres at 300 litres per minute.
It uses the same body and DN65 flange as the DTRT 750 400v and adds around 6 to 7 metres of head across the curve. Check the DTRT 750 first if your duty is lighter: it still gives 36.1 metres at 300 litres per minute, and the DN50 DTRT 550 400v gives 27.6 metres.
The pump body and impeller are cast iron with a cataphoresis paint finish, the grinder is treated stainless steel and the motor shaft is AISI 304 stainless steel. A double mechanical seal with an oil barrier (silicon carbide on the pump side, ceramic and graphite on the motor side) protects the two-pole motor, which has class F insulation and is rated for immersion to 20 metres. The pump stands on a galvanised foot support and comes with 10 metres of H07RN-F cable. There is no float switch, so the pump runs under a separate control panel or level control.
Run it from a three-phase motor starter or control panel with overload protection, which also gives you a way to add level control with float switches.
The DN65 outlet flange is drilled to UNI PN10 (four 18 mm holes on a 145 mm pitch circle). You will need a matching DN65 counter flange to connect pipework; call us and we will confirm the right one. Pentax also lists a DN65 quick-coupling kit as an accessory for its flanged DTRT pumps.
Features
- Open impeller with treated stainless steel grinder for suspended solids and fibres
- Maximum head 54.6 m; 49.2 m at 150 l/min; 42.7 m at 300 l/min
- 7.5 kW (10 HP) motor, 400v three phase, 15.5 A
- DN65 flanged outlet to UNI PN10
- Cast iron pump body and impeller
- Double mechanical seal with oil barrier
- 10 m H07RN-F cable
Applications
- Industrial sewage pumping stations with the highest discharge heads
- Very long rising mains across large sites or up steep ground
- Civil and municipal sewage with suspended solids and fibres
- Agricultural and livestock effluent transfer
For sewage and waste water with soft suspended solids and fibres, at liquid temperatures from 0 to 40 °C. Not for flammable liquids, oils, solvents or chemicals, and not for installations deeper than 20 metres. Ask us before using it on water carrying sand, gravel or other abrasive material.
The Pentax DTR and DTRT range
| Model | Supply | Motor (kW) | Current (A) | Outlet | Max Head (m) | Head at 150 l/min (m) | Head at 300 l/min (m) | Code |
|---|---|---|---|---|---|---|---|---|
| DTR 150 | 230v 1~ | 1.1 | 11.5 | 2″ G | 19.4 | 16.0 | 9.9 | 020-650 |
| DTR 200 | 230v 1~ | 1.5 | 13.6 | 2″ G | 22.1 | 19.1 | 13.4 | 020-652 |
| DTRT 150 | 400v 3~ | 1.1 | 4.4 | 2″ G | 19.4 | 16.0 | 9.9 | 020-654 |
| DTRT 200 | 400v 3~ | 1.5 | 5.1 | 2″ G | 22.1 | 19.1 | 13.4 | 020-656 |
| DTRT 300 | 400v 3~ | 2.2 | 5.8 | 2″ G | 26.1 | 23.3 | 18.2 | 020-658 |
| DTRT 400 | 400v 3~ | 3.0 | 7.5 | DN50 flange | 33.5 | 28.5 | 21.6 | 020-660 |
| DTRT 550 | 400v 3~ | 4.0 | 9.2 | DN50 flange | 38.6 | 33.9 | 27.6 | 020-662 |
| DTRT 750 | 400v 3~ | 5.5 | 13.9 | DN65 flange | 47.8 | 42.7 | 36.1 | 020-664 |
| DTRT 1000 | 400v 3~ | 7.5 | 15.5 | DN65 flange | 54.6 | 49.2 | 42.7 | 020-666 |
Head figures are from Pentax’s 50 Hz performance data. See the Pentax DTR high head sewage grinder pump range page for help choosing between models.
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