1. Home
  2. Brands
  3. Pfeiffer
  4. Overhaul Kit, Pfeiffer DUO 255M
Overhaul Kit, Pfeiffer DUO 255M

Overhaul Kit, Pfeiffer DUO 255M

PMK028
GBP 2,350.00
Used on Pfeiffer DUO 255M (Index C)

For complete kit content details see bill of materials below

Part number alternatives: PKE02051-T

0 In Stock

Click For Availability
You may also like...
Plus UG70 Oil - 20L - Part# PPUG70020
PPUG70020
Plus UG70 Oil - 20L - Part# PPUG70020
GBP 264.00
VPL M100 Mineral Vacuum Pump Oil, 20 Liter
M100-020
VPL M100 Mineral Vacuum Pump Oil, 20 Liter
GBP 167.00
VPL S100 Synthetic Vacuum Pump Oil, 20 Liter
S100-020
VPL S100 Synthetic Vacuum Pump Oil, 20 Liter
GBP 242.00
Bill Of Material
Part Number Description Quantity Qty in stock
PL23970419 O-ring, 125 x 5 mm - Viton, Part# PL23970419 3 10
250031 Sleeve, Steel, DUO 250/255 & UNO 250, Pfeiffer, Part# 250031 1 6
560014 Sieve, Cylinder, Pfeiffer, DUO, DUO250A, DUO 255M (Index C), Part# 560014 1 0
580044 Piston, Hydraulic, Pfeiffer, DUO, DUO 125, DUO 255M (Index C), Part# 580044 1 3
700073 Filter, Star shaped Screen, Pfeiffer, DUO, DUO120A, Part# 700073 2 0
580053 Valve Exhaust, 120A, 250A, 255M, Pfeiffer, DUO, UNO, Part# 580053 1 4
580054 Valve, Stamp, Pfeiffer, DUO, DUO250A, DUO255M(IndexC), DUO120A, Part# 580054 2 2
230094 Vane, Pfeiffer, DUO, DUO255M(Index), Part# 230094 2 5
230095 Vane, Pfeiffer, DUO, DUO250A, Part# 230095 2 8
390024 Buffer, Valve, Safety, Pfeiffer, DUO, Part# 390024 1 1
330094 Needle Bearing, Pfeiffer, DUO, Part# 330094 4 0
700074 Filter, Pleated, Rubber Housing, DUO125, Pfeiffer, DUO, Part# 700074 1 0
220006 Key, Steel, (60 mm Long), Pfeiffer, DUO, Part# 220006 1 0
490077 Spring, 54 mm Long, DUO 255m, Pfeiffer, DUO, Part# 490077 1 1
490076 Spring, DUO 255m, Pfeiffer, DUO, Part# 490076 2 1
490075 Spring, Vane, DUO 250A/255M, Pfeiffer, Part# 490075 4 14
380052 Plate, Spring, Duo 255M, Pfeiffer, DUO, Part# 380052 4 0
0512000116 Spider Coupling, Rotex 55 - Part # 0512000116 1 2
320535 O-ring, 500x 3 mm - Viton, Part# 320535 1 0
500023 Pfeiffer Sight Glass, Part# 500023 1 0
320534 O-ring, 180 x 5 mm - Viton, Part# 320534 1 0
48656700 O-ring, 140 x 5 mm - Viton, Part# 48656700 1 55
02106062 O-ring, 107.32 x 5.33mm - Viton, Part# 02106062 4 0
300214 Gasket, ring, Pfeiffer, DUO, UNO, DUO250A, DUO255M(IndexC), UNO250A, Part# 300214 2 15
300167 Sight Glass Gasket, Pfeiffer, UNO, DUO, Part# 300167 2 47
310152 Seal, Shaft, Single Lip, Pfeiffer, DUO, UNO, Part# 310152 2 12
4070088 O-ring, 6 x 2.2 mm - Viton, Part# 4070088 2 0
PL23970149 O-ring, 8 x 2 mm - Viton, Part# PL23970149 1 0
4070166 O-ring, 10 x 2.5mm - Viton, Part# 4070166 1 13
4070259 O-ring, 15 x 2.5 mm - Viton, Part# 4070259 2 5
390028 Seat, Valve, Pfeiffer, DUO, Part# 390028 2 0
380049 Plate, Valve, DUO250/255-Pfeiffer DUO, Part# 380049 1 1
520036 Ring Supporting-Pfeiffer DUO, Part# 520036 1 1
440056 Spacer, DUO 255M, Pfeiffer, DUO, Part# 440056 1 0
300216 Ring, Sealing, FKM, 10. 4x16x2 (Dowty seal), Pfeiffer, DUO, Part# 300216 1 0
220007 Key, Steel, Special, Pfeiffer, DUO, Part# 220007 1 0
320177 O-ring, 18 x 2.0 mm - Viton, Part# 320177 1 0
4070333 O-ring, 19 x 2.5 mm - Viton, Part# 4070333 1 4
4070420 O-ring, 24 x 2.5mm - Viton, Part# 4070420 4 9
320524 O-ring, 32 x 2.5 mm - Viton, Part# 320524 1 0
4070621 O-ring, 38 x 3.0mm - Viton, Part# 4070621 2 4
02124025 O-ring, 28 x 5 mm - Viton, Part# 02124025 1 0
320533 O-ring, 47 x 2.5 mm - Viton, Part# 320533 1 0
PL23970129 O-Ring,Viton,65 X 5 MM Part# PL23970129 2 3
320538 O-ring, 85 X 5mm - Viton, Part# 320538 1 3
Specifications

General product classifications

Part Number Cross-Reference PKE02051-T
Compatible Brands Pfeiffer
Family DUO
Compatible Pump Models DUO255M(IndexC)
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