Pedrollo HT Vertical Multi-Stage Pumps
Pedrollo HT 3/7 Three Phase Vertical Multi-Stage Pump 2111310
- Established 1975
- Trusted by thousands of customers
The Pedrollo HT 3/7 is a 400 V three-phase vertical multi-stage pump for clean water. It delivers 5 to 90 l/min, with a working head of 112 m down to 56 m.
It has AISI 304 stainless steel impellers, diffusers and sleeve. Pedrollo design the IE3 motor to work with inverters. Ports are 1″ threaded with DN 25 flanges.
More about this product
Product overview
The Pedrollo HT 3/7 is a 400 V three-phase vertical multi-stage centrifugal pump with 7 stages. It covers 5 to 90 l/min. Working head runs from 112 m down to 56 m, and maximum head is 113 m. It has a 1.8 kW (2.5 HP) motor.
Pedrollo design it for clean water free from abrasive particles, in domestic, civil, agricultural and industrial use. It suits water distribution with pressure tanks to raise network pressure. Pedrollo also suggest it for fire-fighting systems, heavy-duty cleaning, industrial power washers and irrigation.
The pump body and cover are JL250 cast iron with cataphoresis treatment. The impellers, diffusers and external sleeve are AISI 304 stainless steel. The shaft is AISI 431. Pedrollo design the IE3 three-phase motor to work with inverters, for stable and quiet running. It has Class F insulation and IPX4 protection.
Key features
Typical applications
Technical specifications
| Brand / Series | Pedrollo — HT |
| Model | HT 3/7 |
| Pedrollo code | 2111310 |
| Supply | Three-phase 230/400 V, 50 Hz |
| Power (P2) | 1.8 kW / 2.5 HP |
| Current | 8.3 A at 230 V Δ / 4.8 A at 400 V Y |
| Motor | IE3, designed for inverter use; Class F insulation, IPX4, continuous duty S1 |
| Flow range | 5–90 l/min |
| Head range | 112–56 m |
| Maximum head | 113 m |
| Stages | 7 |
| Ports | 1″ ISO 228/1 threaded and DN 25 flanged, suction and delivery |
| Flanges | DN 25, Ø 115 mm, bolt circle 85 mm, 4 holes Ø 14 mm |
| Pump body and cover | JL250 cast iron with cataphoresis treatment |
| Impellers and diffusers | AISI 304 stainless steel |
| External sleeve | AISI 304 stainless steel |
| Shaft | AISI 431 stainless steel |
| Mechanical seal | FN-18, Ø 18 mm shaft, graphite/ceramic/NBR (ISO 3069, EN 12756) |
| O-rings | NBR (EPDM or VITON on request) |
| Liquid temperature | −15 °C to +90 °C |
| Ambient temperature | Up to +40 °C |
| Maximum working pressure | 16 bar |
| Suction lift | Manometric suction head up to 7 m |
| Dimensions | 607 mm high, 250 mm port to port, port centre 75 mm from base |
| Base fixing | 4 holes Ø 13 mm at 100 × 180 mm |
| Weight | 39.9 kg |
| Liquid | Clean water free from abrasive particles |
| Available on request | Higher or lower liquid temperatures; NPT ports (ANSI B 1.20.1); counter-flanges; dry-running protection kit; EPDM or VITON O-rings; other voltages and 60 Hz |
HT 3 range
| Model | Code | Supply | Power | Flow | Head |
|---|---|---|---|---|---|
| HTm 3/4 | 2111150 | Single Phase | 0.75 kW / 1 HP | 5–90 l/min | 65–33 m |
| HT 3/4 | 2111280 | Three Phase | 0.75 kW / 1 HP | 5–90 l/min | 65–33 m |
| HTm 3/5 | 2111160 | Single Phase | 1.1 kW / 1.5 HP | 5–90 l/min | 80–41 m |
| HT 3/5 | 2111290 | Three Phase | 1.1 kW / 1.5 HP | 5–90 l/min | 80–41 m |
| HTm 3/6 | 2111170 | Single Phase | 1.5 kW / 2 HP | 5–90 l/min | 96–48 m |
| HT 3/6 | 2111300 | Three Phase | 1.5 kW / 2 HP | 5–90 l/min | 96–48 m |
| HTm 3/7 | 2111180 | Single Phase | 1.8 kW / 2.5 HP | 5–90 l/min | 112–56 m |
| HT 3/7 | 2111310 | Three Phase | 1.8 kW / 2.5 HP | 5–90 l/min | 112–56 m |
| HT 3/8 | 2113060 | Three Phase | 2.2 kW / 3 HP | 5–90 l/min | 128–64 m |
| HT 3/9 | 2113070 | Three Phase | 3 kW / 4 HP | 5–90 l/min | 144–72 m |
| HT 3/10 | 2113080 | Three Phase | 3 kW / 4 HP | 5–90 l/min | 160–80 m |
Head shown as the working range from minimum to maximum flow. Performance to Pedrollo 50 Hz data.
Frequently asked questions
Is it single-phase or three-phase?
Three-phase. It runs on 230/400 V, 50 Hz. It draws 8.3 A at 230 V Δ / 4.8 A at 400 V Y.
What flow and head does it give?
5 to 90 l/min. Head is 112 m at 5 l/min and 56 m at 90 l/min. Maximum head is 113 m.
How hot can the water be?
Between −15 °C and +90 °C. Ambient temperature can be up to +40 °C.
What is the maximum working pressure?
16 bar.
What suction lift does it have?
Manometric suction head is up to 7 m.
Can I run it on an inverter?
Yes. Pedrollo design the three-phase HT motors to work with inverters.
Are counter-flanges included?
No. Pedrollo list counter-flanges as available on request.
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Data Sheet PDFDownload
Standard delivery:
Standard delivery is free on most orders. Some items may incur a delivery charge depending on weight, size or value. Any applicable charge will be displayed at checkout.
Deliveries will typically be made between 7am and 6pm, Monday to Friday (excluding public holidays).
Next day delivery:
Next working day delivery is available for a £16.50 + VAT delivery charge.
Orders must be placed before 12 noon to qualify for next working day delivery. Orders placed after 12 noon on Thursday but before noon on Friday will be delivered the following Monday. Orders placed after 12 noon on Friday will be delivered on Tuesday.
Pallet/Large/Difficult items:
Some large, heavy or difficult to transport items may incur an additional delivery charge. Please contact us for a delivery quote before ordering.
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