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Spiral Corrugated Pipe - Zinc & Polymer Coated

Spiral corrugated pipes, as the best combination of strength and hydraulic efficiency, feature helical pattern and lock-seam construction in round shapes from 12” to 144” in diameter. They are manufactured from quality galvanized corrugated sheet using advanced German manufacturing technology. Meanwhile, spiral corrugated pipes can be connected by coupling systems or flange plates according to the project requirements.

Highlight:

Lightweight - About 1/10 to 1/15 time the weight of traditional concrete pipe in same diameter and length. 
Easy to transport - Spiral corrugated pipes can be manual carried on narrow construction sites that large handling equipment cannot get in. 
Fast installation - Spiral corrugated pipes can be assembled at any length based on the construction requirements when installing. Meanwhile, it is possible to disassemble the pipe and remove it to other places when necessary. 
Superb corrosion resistance - Heavy zinc coating no less than 600g/m2 on both inside and outside of the pipe allows for great rust and corrosion resistance. 
High applicability - Low requirements for foundation bearing capacity and ground planeness, thus, our pipes still perform well in areas lacking dinas or with low foundation bearing capacity. 
Various specifications - A wide range of wall thicknesses, pipe diameters and corrugation wave sizes are available to meet specific construction requirements. Meanwhile, four end types are available as shown in the following pictures:

Four end types of spiral corrugated pipes

Applications:

• Drain system.
• Culverts.
• Small bridges.
• Storm water detention.
• Gas pipeline protection tube.
• Underground cable protection.
• Underpasses.
• Passages for wildlife.
• Coalmine vent pipes.
• Well casing pipes.
• Cisterns.
• Agricultural irrigation.
• Municipal engineering.
• Storm sewer, etc.

Details:

• Pipe inside diameter: 0.3m to 3.6m.
• Pipe thickness: 18 gauge to 8 gauge.
• Wave size:
  • 68mm × 13mm (2-2/3” × 1/2”);
  • 75mm × 25mm (3” × 1”);
  • 125mm × 25mm (5” × 1”).
• Anti-corrosion treatment:
  • Galvanized - thickness of zinc coating ≥ 84um.
  • Electrostatic asphalt spraying.
  • Polymer coated for the longest service life.
• Height of back-fill cover: 0.5m to 76m
• Pipe length: Any custom length is available.

Specifications:

Code	Inside diameter (inches)	Wall thickness (gauge)		Code	Inside diameter (inches)	Wall thickness (gauge)
SCMP-A12	12	18, 16, 14		SCMP-A54	54	16, 14, 12, 10
SCMP-A15	15	18, 16, 14		SCMP-A60	60	14, 12, 10
SCMP-A18	18	18, 16, 14, 12		SCMP-A66	66	12, 10
SCMP-A21	21	18, 16, 14, 12		SCMP-A72	72	12, 10, 8
SCMP-A24	24	18, 16, 14, 12		SCMP-A78	78	12, 10, 8
SCMP-A30	30	18, 16, 14, 12		SCMP-A84	84	12, 10, 8
SCMP-A36	36	18, 16, 14, 12, 10		SCMP-A90	90	12, 10, 8
SCMP-A42	42	18, 16, 14, 12, 10		SCMP-A96	96	10, 8
SCMP-A48	48	18, 16, 14, 12, 10		-	-	-

Code	Inside diameter (inches)	Wall thickness (gauge)		Code	Inside diameter (inches)	Wall thickness (gauge)
SCMP-B36	36	16, 14, 12		SCMP-B90	90	16, 14, 12, 10, 8
SCMP-B42	42	16, 14, 12		SCMP-B96	96	16, 14, 12, 10, 8
SCMP-B48	48	16, 14, 12		SCMP-B102	102	16, 14, 12, 10, 8
SCMP-B54	54	16, 14, 12		SCMP-B108	108	16, 14, 12, 10, 8
SCMP-B60	60	16, 14, 12		SCMP-B114	114	16, 14, 12, 10, 8
SCMP-B66	66	16, 14, 12		SCMP-B120	120	16, 14, 12, 10, 8
SCMP-B72	72	16, 14, 12, 10, 8		SCMP-B126	126	14, 12, 10, 8
SCMP-B78	78	16, 14, 12, 10, 8		SCMP-B132	132	14, 12, 10, 8
SCMP-B84	84	16, 14, 12, 10, 8		SCMP-B138	138	14, 12, 10, 8

Code	Inside diameter (inches)	Wall thickness (gauge)		Code	Inside diameter (inches)	Wall thickness (gauge)
SCMP-C36	36	16, 14, 12		SCMP-C96	96	16, 14, 12, 10, 8
SCMP-C42	42	16, 14, 12		SCMP-C102	102	16, 14, 12, 10, 8
SCMP-C48	48	16, 14, 12		SCMP-C108	108	16, 14, 12, 10, 8
SCMP-C54	54	16, 14, 12		SCMP-C114	114	16, 14, 12, 10, 8
SCMP-C60	60	16, 14, 12		SCMP-C120	120	16, 14, 12, 10, 8
SCMP-C66	66	16, 14, 12		SCMP-C126	126	14, 12, 10, 8
SCMP-C72	72	16, 14, 12, 10, 8		SCMP-C132	132	14, 12, 10, 8
SCMP-C78	78	16, 14, 12, 10, 8		SCMP-C138	138	14, 12, 10, 8
SCMP-C84	84	16, 14, 12, 10, 8		SCMP-C144	144	12, 10, 8
SCMP-C90	90	16, 14, 12, 10, 8		-	-	-

Note:

• 18 gauge: 0.052”;
• 16 gauge: 0.064”;
• 14 gauge: 0.079”;

• 12 gauge: 0.109”;
• 10 gauge: 0.138”;
• 8 gauge: 0.168”.