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HH Roberts Machinery Ltd
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logoAugust Hauerwas Gmbh Co. KG, Dueren, Germany.

Hauerwas Ventilette series for DN 8 - 200mm valves


These smaller machines are suitable for repairs to valves and flanges by
- coarse milling and filing of badly damaged valves
- finest grinding and lapping to mirror finish of the sealing surfaces


- Axial spring suspended machine spindle with scale -Infinitely variable speed control
- Tool carrier with self-locking snap closure for pick up of machining discs
- Ball mandrel as pick up aligns spindle and machining discs to sealing surface
- Movements:
  • Rotation: for fast material removal
  • Reversion: especially suited for lapping
  • Eccentric: for finer surfaces in free hand operation
    		•
    - Machine and complete accessories in box with foam insert, abrasives in clear plastic boxes
    - Grinding and lapping discs for flat seats
    - Device for grinding in of tapered seat valves: total angles 30°, 60°, 90°, or your custom angle
    - Accessories (e.g. pipe clamp, machine stand, tilting table, ...) for mobile or stationary use available
    - Available with electric or compressed air drive


    For larger valves up to 2000mm / 80" Click Here
    Deep Discounts Available on stock models

    View pictures of the S2 kit in our stock
    View the operator's manual for the S2

    Download the Ventilette catalog in .pdf format

    The Ventilette series are the smallest valve repair machines offered by Hauerwas   Here is the range.


    For valves with flat sealings, valve plates, flanges and de-mounted slide valves and wedges
    Ventilette
    Type S1
    Type S2
    IN STOCK
    Type 1
    Type 2
    Type 3
    Type 4

    Working Range
    - standard DN
    - with extension kit
    10 - 50mm
    40 -100mm
    8 - 50mm
    75mm
    8- 150mm
    200mm
    8 - 50mm
    75mm
    8- 150mm
    200mm
    Spindle Motion
    - Rotation
    - Reversion
    - Ecentric

    -
    +
    -

    -
    +
    -

    +
    -
    -

    +
    -
    -

    +
    +
    +

    +
    +
    +
    Immersion Depth
    - standard mm)
    - extended
    225mm
    335mm
    Weight, complete, kg
    2,4
    3,3
    3,3
    4,2

    Available Accessories:  
    - column mounting with tilting table with T-slots
    - pipe clamps
    - grinding device for tapered seat valves of up to DN 100 mm
    - grinding device for Nico-valves (Ventilette 1 and 3)
    - compressed air drive motor for all Hauerwas Ventilette machines for use in dangerous environments

    Ventilette 1 portable valve repair macihne
    Hauerwas Ventilette S1 with pneumatic drive
    for valves 10 to 50mm
    to see the S2 kit click here
    - Axial spring suspended machine spindle with scale
    - Infinitely variable speed control
    - Tool carrier with self-locking snap closure for pick up of machining discs
    - Ball Mandrel as pick up aligns spindle and machining discs to sealing surface
    - Movements: Rotation: for fast material removal Reversion: especially suited for lapping Eccentric: for finer surfaces in free hand operation
    - Machine and complete accessories in box with foam insert, abrasives in clear plastic boxes
    - Grinding and Lapping Discs for flat seats
    - Device for grinding in of tapered seat valves: total angles 30°, 60°, 90°, or according to demand
    - Accessories (e.g. pipe clamp, machine stand, tilting table, ...) for mobile or stationary use available
    - Available with electric or compressed air drive

    Ventilette E4 with pipe clamp

    Hauerwas E3 valve lapping kit
    Hauerwas Ventilette E3 valve lapping kit
    for valves 8 to 75mm
    Tapered seat grinding kit
    Kit to grind tapered seats with Ventilette.
    Hauerwas Ventilette E4 portable valve lapping and grinding kit
    Hauerwas Ventilette E4 kit with travel case.
    for valves 8 to 200mm
    Hauerwas Ventilett E4 accessory kit
    Standard accessory kit for the E4

    Ventilette 4E with pipe clamp

    Ventilette E4 on bench column with
    tilting base and round table swing to rear.
    Lapping discs - cast iron:
    - Available in flat design or with phonograph style rings and radial grooves to distribute the lapping past,
    best suited for use with eccentric lapping action.

    Lapping pastes, made from boron carbide for water or oil solutions, available in 1 Kg tubs or 100 gram tubes.
    cast iron lapping discs for Hauerwas valve repair machines

    Tools to fit the swivel holders of the panetary discs
    CBN lapping disc
    Steel disc for grinding steel disc
    High performance CBN grinding disc
    Cast iron lapping disc
    Honing
    disc
    Abbrasives:

    - made from highest quality materials for highest precision and repeatable surface roughness values

    - for coarse to finest mirror grinding of all materials

    Available in disc, ring, and segment forms and custom made to your specifications.
    Lapping compounds
    Hauerwas High Performance CBN
    grinding discs:

    - Boron nitrice grinding discs attach directly to the spindle of the grining motor

    - for vace, preripheral and taper grinding

    - high cutting performance and long lif with minimal heating.
    CBN discs