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Home > Hydraulic & Fluid Seals > Wipers/Scrapers > Merkel
 

Merkel Wipers

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Click each link below to expand the corresponding Product Information.

  • PT 1 Low Friction Wiper

    Low friction wiper consisting of one profile ring with a sealing edge and a wiper edge, as well as two O-Rings as pre-load components. A wiper for improvement of overall tightness, PT 1 is fitted preferably in combination with our rod seals. We recommend a bore hold for relieving pressure. No pressure release is needed for these seals with a good pump-back action. Where there is a combination of seals without sufficient pump-back capability a pressure-relieving hole is required.

    Technical Data

    Linear Velicity Medium/Temperature
    15 ft/s / 5.0 m/s PTFE B602 / 70 NBR B276
    (PTFE Bronze/NBR)

    Applications

    • Fork-lift trucks
    • Agricultural equipment
    • Injection molding machines
    • Control and regulating apparatus
    • Handling equipment
    • Compression molding
    • Mills
    • Steel
  • PT 2 Low Friction Wiper

    Low friction wiper consisting of one profile ring with a sealing edge and a wiper edge, as well as two O-Rings as sealing and pre-load components. A wiper for improvement of overall tightness. PT 2 is fitted mainly in combination with our rod seals OMS-S. A pressure relieving hold provided between seal and wiper.

    Technical Data

    Linear Velicity Medium/Temperature
    15 ft/s / 5.0 m/s PTFE B602 / 70 NBR B276
    (PTFE Bronze/NBR)

    Applications

    • Fork-lift trucks
    • Agricultural equipment
    • Injection molding machines
    • Control and regulating apparatus
    • Handling equipment
    • Compression molding
    • Mills
    • Steel
  • P 6 Wiper

    Single-acting elastomeric rod wiper with support components. NBR rod wiper which finds its main use with large diameters.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 85 NBR B247

    Applications

    • Earth moving equipment
    • Injection molding machines
    • Compression molding
    • Support cylinders
    • Hydraulic jacks
    • Mining hydraulics
    • Hydraulic presses
    • General cylinders

    Single-acting elastomeric rod wiper with support components. NBR rod wiper which finds its main use with large diameters.

    • Very good seat in the outer diameter
    • Very good wiping action
    • Wiper can be used for a broad temperature range
    • No anti-rotation in housing and no pressure build-up between seal and wiper
  • P 7 Wiper

    Single-acting rod wiper made from Polyurethane with integrated metal retainer. PUR wiper for axial-accessible housings.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 85 NBR B247

    Applications

    • Agricultural equipment
    • Earth moving equipment
    • Cranes
    • General cylinders

    Single-acting elastomeric rod wiper with support components. NBR rod wiper which finds its main use with large diameters.

    • Firm seat in installations space (press fit)
    • Made from highly wear-resistant polyurethane
    • No open ring gap (dirt pocket) outwards between rod and housing
    • Easy to manufacture housing
    • No corrosion between housing and wiper retainer
  • PU 7 Press Fit Wiper

    Polyurethane rod wiper with integrated metal retainer designed for axial-accessible housings.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 95 AU V149

    Applications

    • Agricultural equipment
    • Earth moving equipment
    • Cranes
    • General cylinders

    Single-acting elastomeric rod wiper with support components. NBR rod wiper which finds its main use with large diameters.

    • Firm seat in installations space (press fit)
    • Made from highly wear-resistant polyurethane
    • No open ring gap (dirt pocket) outwards between rod and housing
    • Easy to manufacture housing
    • No corrosion between housing and wiper retainer
  • PU 10 Wiper

    Single-acting rod wiper made from Polyurethane with integrated metal retainer.

    Technical Data

    Linear Velicity Medium/Temperature
    1.5 ft/s / 0.5 m/s 95 MV149

    Applications

    • Grappling hook

    Single-acting rod wiper made from Polyurethane with integrated metal retainer.

    • Firm seat in installations space (press fit)
    • Made from highly wear-resistant polyurethane
  • PU 5 Wiper

    Rod wiper with additional static sealing lip and support components; sealing edge of wiping lip lightly chamfered. The PU 5 is a single-acting wiper, use even in standardized housings according to ISO 6195 Type A.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 95 AU V149

    Applications

    • Earth moving equipment
    • Fork lift trucks
    • Agricultural equipment
    • HGV loading cranes
    • Injection molding machines
    • Mining hydraulics
    • Telescopic cylinders
    • Loading platforms
    • Compression molding
    • Support cylinders
    • Hydraulic jacks
    • Cranes
    • General cylinders

    Single-acting rod wiper made from Polyurethane with integrated metal retainer.

    • Additional static sealing lip prevents ingress of dirt and water spray
    • Wiper lip with lightly rounded sealing edge wipes dirt away safely and leaves a residual oil film on the retracting rod
    • The support on the wiper heel prevents twisting in the groove as well as pressure build-up between wiper and seal
  • PU 11 Double Acting Wiper

    The PU 11 double acting wiper is designed for improvement of overall tightness and has dimensions even for standardized housings; according to ISO 6195 type C. The PU 11 is fitted preferably in combination with our rod seals OMS-MR. The doublelipped wiper can take pressures up to 1.6 MPa. The lightly rounded sealing edge wipes dirt away safely and leaves a residual oil film on the retracting rod. Tightness, working life and friction behavior of the entire system are affected positively.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 95 AU V149 Hydraulic oils HL,
    HLP -30C/-22F to +110C/230F

    Applications

    • Fork lift trucks
    • injection molding machines
    • Standard cylinders

    U-Cup with wiper lip (double-lipped wipers); sealing edge of wiper lip lightly chamfered. Double wiper for improvement of overall tightness; dimensions even for standardized housings according to ISO 6195 type C. PU 11 is fitted preferably in combination with our rod seals OMS-MR. The double-lipped wiper can take pressures up to 1.6 MPa.

    • Sealing lips directed inwards fulfill the U-packing function
    • Wiper lip with lightly rounded sealing edge wipes dirt away safely and leaves a residual oil film on the retracting rod
    • Tightness, working life and friction behavior of the entire system are affected positively
  • PU 6 Wiper

    Single-acting wiper with static sealing edge on the outer diameter. The rod wiper has support components on the heel of the wiper, and lightly chamfered wiper lip.

    Technical Data

    Linear Velicity Medium/Temperature
    6 ft/s / 2 m/s 95 AU V149

    Applications

    • Earth moving equipment
    • Injection molding machines
    • Compression molding
    • Support cylinders
    • Hydraulic jacks
    • Mining hydraulics
    • General cylinders

    Single-acting PUR wiper with static sealing edge on the outer diameter. Rod wiper with support components on the heel of the wiper and lightly chamfered wiper lip.

    • No ingress of dirt and water spray via outer diameter
    • Wipes dirt safely away
    • Leaves a residual film of oil on retracting rod
    • No twisting and pressure build-up between seal and wiper
    • Highly wear resistant
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