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Overhaul Kit, Pfeiffer UNO 250A

Overhaul Kit, Pfeiffer UNO 250A

PMK026
GBP 1,607.00
Used on Pfeiffer UNO 250A

For complete kit content details see bill of materials below

Part number alternatives: PKE02020-T

0 In Stock

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Bill Of Material
Part Number Description Quantity Qty in stock
490075 Spring, Vane, DUO 250A/255M, Pfeiffer, Part# 490075 2 14
583569633 Oil Sight Glass, Part# 583569633 1 0
520036 Ring Supporting-Pfeiffer DUO, Part# 520036 1 1
380050 Ring Seat, Valve, Pfeiffer, DUO, UNO, DUO250A, UNO250A, Part# 380050 1 6
300215 Case Gasket, Cork - Pfeiffer UNO/DUO 250A - Part# 300215 1 3
0512000116 Spider Coupling, Rotex 55 - Part # 0512000116 1 2
300214 Gasket, ring, Pfeiffer, DUO, UNO, DUO250A, DUO255M(IndexC), UNO250A, Part# 300214 2 15
250031 Sleeve, Steel, DUO 250/255 & UNO 250, Pfeiffer, Part# 250031 1 6
390024 Buffer, Valve, Safety, Pfeiffer, DUO, Part# 390024 1 1
580053 Valve Exhaust, 120A, 250A, 255M, Pfeiffer, DUO, UNO, Part# 580053 3 4
440055 Spacer, UNO/DUO250, Pfeiffer, DUO, UNO, Part# 440055 1 1
230094 Vane, Pfeiffer, DUO, DUO255M(Index), Part# 230094 2 5
310152 Seal, Shaft, Single Lip, Pfeiffer, DUO, UNO, Part# 310152 2 12
4070259 O-ring, 15 x 2.5 mm - Viton, Part# 4070259 3 5
4070088 O-ring, 6 x 2.2 mm - Viton, Part# 4070088 7 0
4070333 O-ring, 19 x 2.5 mm - Viton, Part# 4070333 2 4
4070420 O-ring, 24 x 2.5mm - Viton, Part# 4070420 5 9
PL23970504 O-ring, 55 x 5 mm - Viton, Part# PL23970504 2 1
4070621 O-ring, 38 x 3.0mm - Viton, Part# 4070621 4 4
320538 O-ring, 85 X 5mm - Viton, Part# 320538 1 3
PL23970419 O-ring, 125 x 5 mm - Viton, Part# PL23970419 3 10
02106062 O-ring, 107.32 x 5.33mm - Viton, Part# 02106062 4 0
48656700 O-ring, 140 x 5 mm - Viton, Part# 48656700 1 55
PL23970129 O-Ring,Viton,65 X 5 MM Part# PL23970129 2 3
48655900 O-ring, 44 x 3 mm - Viton, Part# 48655900 1 28
320525 O-ring, 35x 5 mm - Viton, Part# 320525 2 21
4070542 O-ring, 32 x 3mm - Viton, Part# 4070542 2 0
Specifications

General product classifications

Part Number Cross-Reference PKE02020-T
Compatible Brands Pfeiffer
Family UNO
Compatible Pump Models UNO250A
Category Repair Kit
Subcategory Overhaul Kit
Country of origin US
Product Details

Pfeiffer - Oil Sealed, Two Stage Rotary Vane Pumps

  • DUO 120A – standard version
  • DUO 125 (Index B) – standard version
  • DUO 125M – magnetic coupling
  • UNO/DUO 250A – standard version
  • DUO 255M (Index C)  – magnetic coupling

* MC version – Corrosive gas application (with magnetic coupling)

Oil Change:

The maintenance schedule of operating fluid depends on application and location of pump. The oil must be changed if:

  • Ultimate pressure is no longer attainable
  • Oil appears contaminated, milky, or cloudy when viewed through sight glass
  • Oil is discolored

Oil Capacity:

  • DUO 120 - 13 liter
  • DUO 125 - 14 liter
  • UNO 250 - 30 liter
  • DUO 250 - 23 liter
  • DUO 255 - 25 liter

Maintenance Intervals:

Daily:

  • Check operating fluid levels
  • Check for leaks

As required (at least annually):

  • Change operating fluid
  • Disassemble casing, sight glass and pumping system and clean casing outside (without cleaning agent)
  • Clean gas ballast valve & silencer
  • Clean motor fan cap

As required (at least every 2 years):

  • Disassemble the pump, clean & exchange seal and wearing parts

As required (at least every 4 years):

  • Carry out work in accordance with maintenance and additionally
    • Change vanes
    • Change valves, springs, and sight glass
    • Change silencer nozzle
    • Check coupling and exchange is necessary

Documents