PEDROLLO PQ 81-Bs Pumps with peripheral impeller Instructions
- June 3, 2024
- pedrollo
Table of Contents
PQ 81-Bs Pumps with peripheral impeller
Instructions
PQ 81-Bs Pumps with peripheral impeller
Pump body in BRASS
The PQ-BS electric pump is supplied fully painted Clean water
Industrial use
PERFORMANCE RANGE
- Flow rate up to 20 l/min (1.2 m³/h)
- Head up to 95 m
APPLICATION LIMITS
- Manometric suction lift up to 8 m
- Liquid temperature between -10 °C and +90 °C
- Ambient temperature between -10 °C and +40 °C
- Max. working pressure 10 bar
- Continuous service S1
CONSTRUCTION AND SAFETY STANDARDS
**** EN 60335-1
EN 60034-1
IEC 60335-1
IEC 60034-1
CEI 61-150
CEI 2-3
CERTIFICATIONS
Company with management system certified DNV ISO 9001: QUALITY
INSTALLATION AND USE
Suitable for use with clean water that does not contain abrasive particles and
with liquids that are not chemically aggressive towards the materials from
which the pump is made.
The hydraulic characteristics of these pump, coupled with their compactness,
makes them suitable for use in industrial applications. Installation needs to
be undertaken in well ventilated closed areas or anyway protected from bad
weather.
PATENTS -TRADE MARKS – MODELS
- Motor bracket n° IT1243605
- Registered model
OPTIONS AVAILABLE ON REQUEST
- Special mechanical seal
- EN 10088-3 – 1.4401 (AISI 316) stainless steel pump shaft
- Other voltages or 60 Hz frequency
- IPX5 protection
CHARACTERISTIC CURVES AND PERFORMANCE DATA
50 Hz n= 2900 min-1 HS= 0 m
Q = Flow rate H = Total manometric head HS = Suction height
Three-phase motor efficiency class (IEC 60034-30-1)
| POS. | COMPONENT | CONSTRUCTION CHARACTERISTICS |
|---|---|---|
| 1 | PUMP BODY | Brass complete with threaded ports in compliance with ISO 228/1 |
2
3
4
5| MOTOR BRACKET| Aluminium with brass insert (patented), reduces the risk of
impeller seizure
IMPELLER| Brass with peripheral radial vanes
MOTOR SHAFT| Stainless steel AISI 431
MECHANICAL SEAL|
6| BEARINGS| 6201 U/6201 ZZ
7| ELECTRIC MOTOR| PQm-Bs: single-phase 230 V – 50 Hz with thermal
overload protector incorporated into the winding.
PQ-Bs: three-phase 230/400 V – 50 Hz.
→ The pump is fitted with a high performance motor in class 1E3 (IEC
60034-30-1)
– Insulation: class F
– Protection: IP X4
DIMENSIONS AND WEIGHT
ABSORPTION
MODEL| VOLTAGE
Single-phase| 230 V
PQm 81-Bs| 3.5 A
MODEL| VOLTAGE
---|---
Three-phase| 230 V| 400 V
PQ 81-Bs| 2.4 A| 1.4 A
CAPACITORS
MODEL| CAPACITANCE
Single-phase| (230 V o 240 V)
PQm 81-Bs| 14 μF – 450 VL