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3HF / 3HG / 3HJ Exhaust Grilles

    • Product Details


      The Waterloo 3 Series vane grilles, GC5 eggcrate and PER mesh grilles have been designed to satisfy all exhaust applications in H & V systems.
      The various cores may be selected to satisfy both engineering and architectural requirements. Cores are constructed from aluminium extrusions supported on integral aluminium tubes; mesh cores are perforated aluminium sheet.
      The frames are constructed from aluminium extrusions which are mitred and welded or cleated.

      Product Description

      • 3HG0° fixed blade grille
      • 3HJ15° fixed blade grille
      • 3HF45° fixed blade grille
      • RBReverse border(any blade)
      • (C)Core only (any blade)
      • OBSSAllen Key operated opposed blade damper. If used with RCG, OBBS is mounted in duct or plenum
      • EDEqualising deflector


      PPG9010 (RAL 9010 Gloss - 80% Gloss White)
      PPM9010 (RAL 9010 Matt - 20% Gloss White)
      PPM9006 (RAL 9006 Matt - 30% Gloss Silver)
      Other colours or anodised finish available on request
      GC5/(C) Core is mill finished as standard


        • Series 37.0 kg/m² face area
        • OBSS/ED9.5 kg/m² face area


      Minimum Size - 100 x 100

      Maximum Size - 2000 x 1500

      (Maximum GC5 any x 2000)

      Maximum RCG-GC5 600 x 600

      Fixing Options

      • SF
      • CF
      • VS
      • AFVS
      • PFVS
      • AFCF
      • RCCF
      • CRB
      • RCHS
      • AFHS
      • BSSBD
      • BSSBP


      Free Area
      3HG 3HJ 3HF
      84% 84% 54%

      Product Specification

      Grille Dimension Calculator
      Grille Dimension Calculator

      Calculator for nominal and overall dimensions.

      Related links

      Grille Fixing Selection Chart

      Grille Nominal Sizes

      Guide to Removable Core Grilles

      OB Opposed Blade Dampers

      ED Equalising Dampers

      Waterloo Mill Finish


      For more information please use our contact form;

      Call our Sales and Customer Service Hot Line:

      01622 711511



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