FRP Grating Cover with Mild Steel Frame and Hinges (MuiGrate M Series)
MuiGrate FRP grating cover in a mild steel L-frame with hinges and fishtail anchors, 25, 38 or 50 mm deep, gritted or plain. Single leaf up to 1,200 x 1,200 mm, double leaf for larger pits.
FRP Grating Cover with Mild Steel Frame and Hinges (MuiGrate M Series)
This MuiGrate cover is an open FRP (fibreglass) pultruded grating set in a mild steel L-type frame with hinges, the M series in our catalogue (models MGA gritted and MGE plain). The frame is cast into the concrete with mild steel fishtail anchors.
Single leaf covers are made up to 1,200 x 1,200 mm; larger openings use a double leaf (MGB and MGF). The grating does not rust; choose galvanised steel for the frame in wet areas.
Ringkasan: Penutup jeriji FRP pultrusi dalam bingkai keluli lembut dengan engsel, tebal 25, 38 atau 50 mm. Satu daun sehingga 1,200 x 1,200 mm. Dibuat ikut saiz.
Specifications
| Model | MGA / MGE, M series (double leaf MGB / MGF) |
|---|---|
| Top | Open pultruded FRP grating, gritted (MGA) or plain (MGE) |
| Frame | Mild steel L-type frame with MS fishtail anchors; hot-dip galvanised on request |
| Hinges | Mild steel, SS304 or SS316 |
| Single leaf | Up to 1,200 x 1,200 mm; double leaf above that |
| Grating height | 25 mm (1 in), 38 mm (1.5 in) or 50 mm (2 in) |
| Resin | Isophthalic polyester with UV-resistant gel coat; vinyl ester or fire-retardant on request |
| Colour | Grey (standard), yellow, green; others on request |
| Add-ons | Embossed council or company logo, handles |
| Load use | Pedestrian traffic only (BS 4592) |
| SIRIM | Certificate available on request |
| Made by | Y.T. Fibreglass Industries Sdn Bhd, Port Klang |
How to Size a Cover
- Give the clear opening of the pit as width x length (W x L); for round covers, the diameter.
- The cover is made at least 50 mm larger than the actual sump opening, so it rests on the ledge.
- Frame depth is about 30 mm for 25 mm grating, 44 mm for 38 mm and 50 mm for 50 mm grating.
- Single leaf covers go up to 1,200 x 1,200 mm; larger openings use a double leaf.
Why FRP
- No rust, no scrap value: FRP does not corrode and has no resale value, so covers are not stolen like steel.
- Light: one or two workers lift a cover without machinery.
- Non-conductive: safe near pumps, panels and cables.
- Anti-slip: gritted top or 3 mm chequered plate.
Where It Is Used
- Sewerage inspection chambers in housing projects
- Council drains, sumps and backyards
- Treatment plant pits and walkways
- Areas where steel covers rust or are stolen
Questions and Answers
Why choose a mild steel frame?
It is strong and costs less. For wet or salty sites, choose hot-dip galvanised steel or an FRP frame.
What size do I order?
Give the clear opening of the pit. The cover is made at least 50 mm larger so it sits on the ledge.
Can vehicles drive over it?
No. MuiGrate FRP grating and covers are designed for pedestrian traffic only, as BS 4592 sets out. Vehicle loads void the warranty unless Mui Fatt has certified the design.
Berapa harga penutup manhole FRP?
Harga bergantung kepada saiz, kuantiti dan pilihan bahan. Hubungi Mui Fatt untuk sebut harga terkini.
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