P71

Performance

 
Metric
Imperial
 
l/min / Bar
gpm / psi
Flow From
37.5
8.7
Flow To
320.0
70.5
Max Pressure
700
10150
 

Type

The P71 is a 3 cylinder triplex pump.

Pump pictured shown with optional gearbox.

 

Description

The Speck name is synonymous with quality and reliability. All our pumps are manufactured to the highest standards, using the latest in manufacturing technology.

The P71 Range of pumps upholds this quality by providing:-

  • Crankcase of solid sphero- cast iron ensuring stability and vibration dampening.
  • Crankshaft and taper roller bearings together with plain con rod all run in oil.
  • Solid Ceramic Plungers - P71/40, /50, /70 hard metal coated stainless steel.
  • Double plunger sealing.
  • All gaskets in seal sleeves ensuring precise centring and easy replacement.
  • Identical suction and discharge valves, easily accessible

 

Standard Models
Model
I/min
bar
rpm
kW
P71/40-700
37.5
700
750
51.7
P71/50-500
48.0
500
750
47.2
P71/70-400
67.7
400
750
53.3
P71/90-300
88.5
300
750
52.3
P71/110-250
107.0
250
700
52.7
P71/145-180
145.3
180
700
51.5
P71/145-180G*
145.3
180
700
51.5
P71/200-130
205.8
130
700
52.7
P71/200-130G*
205.8
130
700
52.7
P71/250-100
249.1
100
700
49.0
P71/250-100G*
249.1
100
700
49.0
P71/320-70 DUP
320.0
70
700

* Pumps with a G suffix have a cast iron valve casing.

 

Special Models

 
Download
 
General Information
Technical Information
P71/40-700 (Approx 207 kb) (Approx 264 kb)
P71/50-500 (Approx 207 kb) (Approx 261 kb)
P71/70-400 (Approx 207 kb)
P71/90-300 (Approx 207 kb) (Approx 256 kb)
P71/110-250 (Approx 207 kb) (Approx 259 kb)
P71/145-180 (Approx 207 kb) (Approx 268 kb)
P71/145-180 G (Approx 207 kb) (Approx 268 kb)
P71/200-130 (Approx 207 kb) (Approx 269 kb)
P71/200-130 G (Approx 207 kb) (Approx 269 kb)
P71/250-100 (Approx 207 kb) (Approx 267 kb)
P71/250-100 G (Approx 207 kb) (Approx 267 kb)
P71/320-70 DUP N/A N/A

 

Construction Characteristics
  • Crankcase of solid sphero- cast iron ensuring stability and vibration dampening.
  • Crankshaft and taper roller bearings together with plain con rod all run in oil.
  • Solid Ceramic Plungers - P71/40, /50, /70 hard metal coated stainless steel.
  • Double plunger sealing.
  • All gaskets in seal sleeves ensuring precise centring and easy replacement.
  • Identical suction and discharge valves, easily accessible

 

Materials Used
Valve Casing:

Bronze, G Versions with nikel plated sphero cast iron.

P71/50, /70, /90 and /110 Valve casings of stainless steel AISI 303

P71/40 valve casing of stainless steel UNS J 91540

Plunger: Solid Ceramic Plungers - P71/40, /50, /70 hard metal coated stainless steel.
Valves: Duplex Steel
Sleeves: Nitrile with fabric reinforcing (P71/40, /50 with Aramid Packing)
Crankshaft: Drop forged and case hardened

 

Installation

SPECK TRIPLEX Plunger Pumps are suitable for pumping clean water and other non-agressive or abrasive media with a similar specific weight to water.

Prior to pumping any other media, a check must be made to find out whether these pumps , taking pump performance and temperature values into consideration, are at all suitable for pumping the required medium.

Even though SPECK-TRIPLEX P71 pumps run almost pulsation-free, there are cases where a pressure accumulator is necessary. This will depend mainly on the construction of the unit and the conditions under which it is operated. The same effect can also be achieved by using flexible pressure lines. In any case, use of a pulsation damper adds considerably to the life of the seals and bearings. Particular care has to be taken when pumping warm water, making absolutely sure that cavitation can not occur.

 

Warranty
There is a 6 month warranty in accordance with VDMA guidelines. Pump operation without safety valve as well as any excess in temperature or speed limits automatically voids the warranty. The safety valve must be regulated in accordance with the guidelines for liquid spraying units so that the admissible operating pressure can not be exceeded by more than 10%.
 
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