PLD economical vertical multistage pump

Model Instruction
Performance range
  • Max lift: 153 m;
  • Max flow: 6m³ / h;
Conditions
  • The temperature of the medium does not exceed +60 ° C;
  • The ambient temperature does not exceed +40 ° C;
  • The PH value of the medium is between 6.5 and 8.5, the volume ratio of solid impurities in the medium is ≤ 0.1%, and the particle size is ≤ 0.2mm.
  • The maximum working pressure is 15 bar;
  • The highest altitude is 1000m;
Applications

The product has the characteristics of high cost-effective,high pressure and low noise,etc. PL(D) are widely used in many fields, such as water supply system and water filtration and boost system for pipeling, washing and cleaning, boiler feed water, cooling water circulation, water treatment, ultra-filtration, reveser osmosis systems, water fertilizer integrated machine etc.

Functions
  • Pump seat / Coupling / Back Cover / Inlet Pipe: Cast Iron;
  • Axis: 304+45 friction welding;
  • Impeller / Guide vane: PPO + GF30
  • Case: YL102
  • Pump barrel: 304
  • Junction box: ABS
  • Mechanical seal: silicon carbide / graphite / nitrile rubber;
  • Bearing: 6305-2RS / human, 6204-2RS / human, contact sealed;
  • Motor: 2-pole asynchronous motor, copper coil, fan cooling, continuous operation.
  • Protection level: IP 55;
  • Insulation class: F.
Components & Materials
No. Component Material
112 Last stage guide vane PPO
148 Pump seat HT200
151 Pump barrel 304
171 Guide vane PPO
230 Impeller PPO
412-1 O-ring NBR
412-2 O-ring NBR
412-3 O-ring NBR
433 Machinery Seal S:K(PC)
520-1 Wear-resistant bushing 20Cr13(420)
520-2 Shaft sleeve 304
520-3 Plastic Bearing Composite plastic
550-1 Standard spring washer 65 Mn
550-2 Spring washer 304
723 Inlet pipe HT200
801 Motor Assembly
900-1 Vent cock 304
900-2 Hexagon head bolts Q235A
900-3 Hexagon lock nuts with non-metallic inserts 304
900-4 Hexagon head bolts full thread Q235A
Performance curve
Model Power Q
(m3/h)
0 1 2 3 4 5 6
Single-phase Three phase kW HP 0 16.7 33.3 50 66.7 83.3 100
PLD2-6 PL2-6 1.1 1.5 H(m) 69 65 53 45 18 - -
PLD2-7 PL2-7 1.1 1.5 82 75 65.5 52 25 - -
PLD2-8 PL2-8 1.5 2 94 87 73 59 28 - -
PLD2-9 PL2-9 1.5 2 105 98 84 67 35 - -
PLD2-11 PL2-11 1.8 2.5 130 119 102 82 37 - -
- PL2-13 2.2 3 153 142 122 97 39 - -
PLD4-4 PL4-4 1.1 1.5 47 46 45 41 39 28 20
PLD4-5 PL4-5 1.5 2 61 58 57 55 48 39 29
PLD4-6 PL4-6 1.2 2 74 72 69 66 58 47 36
PLD4-7 PL4-7 1.8 2.5 86 83 81 77 69 57 43
- PL4-8 2.2 3 98 95 92 86 77 63 47
- PL4-10 2.2 3 116 114 110 102 96 73 57
Product appearance size
Model DN1 DN2 H H1 H2 A B C D E L
Single-phase Three phase mm mm mm mm mm 50 mm mm mm mm mm
PLD2-6 PL2-6 H(m) H(m) H(m) 224.5 536.5 140 140 185 130.5 221 139.5
PLD2-7 PL2-7 248.5 560.5
PLD2-8 PL2-8 272.5 584.5
PLD2-9 PL2-9 296.5 608.5
PLD2-11 PL2-11 344.5 656.5
- PL2-13 392.5 704.5
PLD4-4 PL4-4 176.5 487
PLD4-5 PL4-5 200.5 511
PLD4-6 PL4-6 224.5 535
PLD4-7 PL4-7 248.5 599
- PL4-8 272.5 583
- PL4-10 320.5 631
Components & Materials
Mode Dim.(mm)(L*W*H) N.W.(kg) G.W.(kg)
PL2-6 595×240×270 21 21.5
PLD2-6 22 22.5
PL2-7 620×240×270 21.5 22
PLD2-7 22.5 23
PL2-8 645×240×270 23 23.5
PLD2-8 24.5 25
PL2-9 670×240×270 23.5 24
PLD2-9 252 25.5
PL2-11 715×240×270 25.5 26
PLD2-11 27 27.5
PL2-13 765×240×270 28 28.5
PL4-4 545×240×270 20 20.5
PLD4-4 21 21.5
PL4-5 570×240×270 22 22.5
PLD4-5 23 23.5
PL4-6 595×240×270 22 22.5
PLD4-6 23.5 24
PL4-7 620×240×270 24 24.5
PLD4-7 25.5 26
PL4-8 645×240×270 26 26.5
PL4-10 695×240×270 26.5 27