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Corrugation 68mm x 13mm

Corrugation 76mm x 25mm

Corrugation 150mm x 50mm

Corrugation 300mm x 110mm

Corrugation 380mm x 140mm

Corrugation 200mm x 55mm

Corrugation 400mm x 150mm

Corrugation 75mm x 25mm

Corrugation 125mm x 25mm

Corrugation 68mm x 13mm

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Corrugation 75mm x 25mm

Characteristic of galvanized steel helical Corrugated pipe culvert
Specification
Pipe diameter: 300-2500mm
Length: 1-12m
Thickness: 1.6-3.2mm
High strength
Metal corrugated culvert pipe with more than 1.5 times compression strength than the concrete pipe because of the corrugation structure
Easy for transport
The weight of the metal corrugated culvert pipe is only 1/10~1/5 of same size concrete pipe, even can be carried by people without machine.
Install in shorter time
The corrugated pipe culvert is connect by clamping band or flange, and the length can be make according to the customers’ request, then easy to install, and can be installed in shorter time.
Long service life:
The steel corrugated culvert pipe adopt 300-600g/m2 galvanization steel plate, normally its servise life is 50-100 years, if in the strong corrosion environment, painting asphalt on the in and out surface of the pipe, can enlong 20-50 years based on the normal service life.
Economic
The standard length is 6m, simple connection, shorter working time. Because it is light, easy for transport, with few foundation construction, lower fee on drain pipe. For example, we make comparison on steel corrugated culvert pipe and concrete pipe in diameter 800mm, corrugated steel culvert pipe is only need about 90% if concrete pipe fee, and it can save cost of forklift, crane, and other machines when the transport is not good.
Cross section shape and size of galvanized steel helical corrugated culvert pipe
Normally, the cross section is round shape, corrugation is 68X13mm, 125X25mm
Application of helical corrugated steel culvert pipe
The helical corrugated steel culvert pipe is used in municipal drainage,building outside drainage, farm drainage, industry drain system, also adopt in road and railway closed conduit or culvert, shell of vertical pile, rain water collection, etc
Drainage: domestic sewage, golf course drain, underground garage, factory drain, factory, airport water drain.
Culvert: drain-pipe under the road, higher cross drain-pipe, underground culvert of railway, small tunnel, closed conduit, small bridge.
Protection shell: underground communication cable, protection pipe for gas pipe, also can be adopted on construction site, and protection shed, etc
Industry: air conduit for gas in coal mine (negative pressure)
Farm: driven well wall for farm, invert siphon for irrigation,  farm water drain.
Structure
Corrugated culvert pipe is treatment by galvanized steel belt spiral seaming joint
The diameter is smaller than 1m, adopt corrugation 68X13mm, each section standard length is 6m, diameter is bigger than 1m,adopt corrugation 125X25mm, each section standard length is 6m, and can make difference size as per clients’ request±±±±
Corrugated culvert pipe connection by two or more pieces of clamping band or flange, inlay PE plate or sealant or rubber gasket, fasten by high strength bolts.
Material
The steel plate is DX52D or SGHC, chemical and mechanical property should be accord with EN10327 or JIS G 3302-2010, steel plate size tolerance should be accord with GB/T-709
Clamping band and angle steel material is Q235, chemical and mechanical property should be accord with GB/T700
Clamping band or angle steel fastener need to adopt high strength bolts, nuts, the grand should be or higher than 8.8, its property should be accord with GB/T1231
Corrugated pipe adopt hot galvanized steel belt for forming, or after forming then hot galvanization treatment.
Appearance
Clean, smooth, and the zinc coating uniformity.
Clamping band request
Connect pipe sections by clamping band, keep the pipe sections point at pipe sections, prevent separate, the bottom permeate or the filling back material permeate.
Drawing 3  classic clamping band system
When assemble the clamping band, lap over connect to each pipe section equally.
When fastening, the length and width of the part which over lap to the pipe have to can bearing the tightening force.

Spiral corrugated pipe is mostly used in the drainage facilities, sewers, water conservancy construction, municipal construction, and instead of bridges.

Hengshui Yitong Pipe Industry Co.,Ltd.
Address: Hegang Road, Wuyi Circle Economic Zong, Hengshui City, Hebei Province, China
Tel: + 86 318 5876 109
Fax: +86 318 5876 111

Mobile: +86 186 0318 8333

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