Manhole Cover

SK Matching Manhole Covers are suitable for all types of concrete and clay blocks thus ensuring that
the attractive appearance of paved areas is maintained.

According to Individual requirement, we provide different depth of matching manhole covers.

Our factory -Sun Kong Metal Manufacturing (SZ) Co., Ltd. is an BS EN ISO9001:2000 certified company,
provide high-quantity matching manhole cover to clients.

SK Provide 3 type of manhole cover

1. Single sealing for storm water
2. Double sealing for foul water
3. Cable Pit

Registered Screw Keyhole Design

螺絲式匙孔
Registration No: 0901070.07

Advantage :
• Simple and integrated out looking
• Flat and sealed keyhole design
• No water or waste trap inside keyholes Hygienic design avoid accumulation of stagnant water so as to eliminate mosquito breeding
• Durable design of hex head screw and easy use of tailor made manhole key

Material of Manhole Cover 沙井蓋材料

Type	1	2	3
Description	GMS	S.S.	GMS + S.S.E
Specification	Hot dip galvanized mild steel to BS 729	Stainless steel grade 304 / 316 to BS970	Stainless steel edging for high quality finishing and cost efficient.
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Standard Size 標準尺寸

Clear Opening	550 x 550 600 x 600	900 x 900	1200 x 1200 1500 x 1500
No of Cover	1	2	4
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Indication Mark 識別標誌

Indication Mark	SW	FW	E&M, ELE, ELV, TEL,	SK SUNKONG
Application	Storm Water Manhole	Foul Water Manhole	E & M Service Manhole	Each cover will mark "SK"
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Loading Test 重力測試

Category	BS Standard	Test Loading	Application
Light Duty	BSEN124 Class A15	15kN	Footpath
Medium Duty	BSEN124 Class B125	125kN	Pedestrian areas and car parking decks
Heavy Duty	BSEN124 Class C250	250kN	Emergency Vehicles Access Area (EVA)
Ultra Heavy Duty	BSEN124 Class D400	400kN	Emergency Vehicles Access Area (EVA) and Car Park Area for all types of fast-moving vehicles

SK Matching Cover are used for the following construction projects in Hong Kong