RESTRICTORS

Caldwell's range of face fixed or concealed window restrictors have been designed to meet safety, security, aesthetic and durability requirements of the UK market place.

FRICTION ADJUSTABLE
A simple yet robust design for trouble-free service and ease of installation

  • A sliding brass/nylon shoe with an adjustable screw allows on-site tensioning
  • Heavy-duty options available
  • Available in a variety of tracks and arm lengths
  • Manufactured from 300 series stainless steel
    		• Typical Friction Adjustable Restrictor

    RELEASABLE
    An ingenious release mechanism that can be operated by a simple non-specific product tool i.e coin, car key ect

  • In-built captive release mechanism
  • Plated steel arm and bracket construction
  • Available in a variety of tracks and arm lengths
  • Stainless steel option available on request
    • 9920 Releasable Restrictor

    FRICTION ADJUSTABLE KEY RELEASE
    This mechanism automatically stops the vent at a safety position required by the user. For cleaning and ease of window assembly, a key may be used to release the window to its maximum opening

  • A sliding brass/nylon shoe with an adjustable screw allows on-site tensioning
  • Available in a variety of tracks and arm lengths
  • Manufactured from 300 series stainless steel
    • Typical Key Releasable Restrictor

    RATCHET SUPPORT
    Designed for use on top-hung windows with two available options depending upon application.

  • Limited opening model with key release to maximum opening
  • Maximum opening model is securely locked in open position for maintainance and to prevent sudden closing during wind gusts
  • Support arms can be unlocked by a simple, small outwards movement of the sash
  • Re-engages back into the first position opening when closed
  • Manufactured from 300 series stainless steel
    • Typical Ratchet Support Restrictor

    900 SERIES   Get the datasheet about the 900 Series RestrictorDatasheet
    This simple-to-fit device can be used on a variety of window types whether aluminium, PVC-U or timber. Ideal for top-hung casement and pivot windows.

  • Strength tested in accordance with BS6375 Part 2
  • Positive spring re-engagement in vertical mode
  • Available in quick-release or lockable release (with option of security key)
  • Anodised and paint finishes available
  • Can be used in conjunction with a reverse catch (910) on a pivoting window.   Get the datasheet about the 910 Reverse CatchDatasheet
  • Extended pins available on request
    • 901 Locking Restrictor and 902 Restrictor Pin

    401 SERIES   Get the datasheet about the 401 Series Travel RestrictorDatasheet
    A discrete yet decorative safety device for all types of sash window

  • Key operated locking mechanism
  • Available in polished 'gold' or powder-coated white
  • Made from die-cast aluminium alloy for additional strength
  • Can be positioned at any recommended height
  • Spring-loaded tongue for automatic re-engagement
    • 401 Series Travel Restrictor

    202 SERIES   Get the datasheet about the 202 Travel RestrictorDatasheet
    A surface-mounted/retro fit safety device offered with a range of keeps to suit most window systems on the market.

  • Spring-loaded re-engagement
  • Key lockable
  • Anodised and paint finishes available
  • Left and right hand options available
  • Suits vertical or horizontal sliders
    • 202 Travel Restrictor
    Caldwell has subjected the window restrictor range to known tests and performance standards.
    Click here to view the Glossary