China 2019 Good Quality Butterfly Valves Parts - 700*50mm Composite Round Manhole Cover – Mingda factory and suppliers

2019 Good Quality Butterfly Valves Parts - 700*50mm Composite Round Manhole Cover – Mingda

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We depend on sturdy technical force and continually create sophisticated technologies to meet the demand of cast iron welding rod, Pipe Valves And Fittings, cast copper, We will wholeheartedly welcome all clients in the industry both at home and abroad to cooperate hand in hand, and create a bright future together.

2019 Good Quality Butterfly Valves Parts - 700*50mm Composite Round Manhole Cover – Mingda Detail:

Basic Info

Type: Clay Dry Sand

Sand Core Type: Resin Sand Core

Certification: SGS, CE, ISO 9001:2008

Additional Info

Packaging: standard export package

Productivity: 100 Ton/Month

Brand: Mingda

Transportation: Ocean,Land,Air

Place of Origin: China

Certificate: ISO9001

Port: Tianjin

Product Description

The main material is one kind of Fiberglass / Glass-fiber Reinforced Polyester (FRP / GRP), with supplementary materials, such as: calcium power, poly-styrene, reinforcing steel bar and etc., the process is compression moulding method, using special steel mould, pressurized by hydraulic pressure machine with heat 180~220 Degree.

More excellence for composite resin material:
1. Against theft: the Regenerated Resin material is no use for 2nd time, thus no recycled if stolen it
2. With good loading capacity, it has strength as steel products, but more tenacity, it will not brake into pieces
3. Long service working life than iron products`
4. Suitable for any temperature
5. The unit weight is lighter than iron material`s at the same size & loading
6. Sealed better between the cover & frame than iron material product`s, so, no noise pollution in using
7. Various color for good decorative effect
8. Good wearable performance, good corrosion resistance, good insulation and never rust. There is more using area than iron products.

Application:
Suitable for using in footway, pavements, carriageway, parking area as same as iron products`, and more, in corroding areas such as: chemical factories, in watery area such as: park, garden, even under-water, etc.

The specification for round manhole cover

sectional view

specification	Load level	d=mm	P=mm	D=mm	h=mm	H=mm	Carrying capacity
800×θ700	P-type	700	645	800×800	50	80	20T
800×θ700	P-type	700	645	800×800	50	80	20T
900×θ750	P-type	750	700	900×900	50	80	15T

round manhole cover

composite manhole cover

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Our target is to consolidate and improve the quality and service of existing products, meanwhile constantly develop new products to meet different customers' demands for 2019 Good Quality Butterfly Valves Parts - 700*50mm Composite Round Manhole Cover – Mingda , The product will supply to all over the world, such as: Colombia, Albania, Manchester, Profession, Devoting are always fundamental to our mission. We've got always been in line with serving customers, creating value management objectives and adhering to the sincerity, dedication, persistent management idea.

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