Welderman Civil drainage range, including sump grates, trench grates and access covers are available to suit the
complete range of International Standard Strength Classifications, depending on your project requirements. Below is the load range to each product for the specified project. Choose your load range according project requirement.

How to order Welderman drainage product?

  • Choose the product according to its code
  • Select load type
  • Specify required size

Ex: WMR01 D400

Grating Trench Cover WGT01

• Steel Grating*
• 25, 32, 40, 50
(mm) Height

Hinged Manhole Cover WMR01

• Ductile Iron
• 100mm Height
• 12mm Thickness

Radial Trench Cover WGT02

• Steel Grating
• 25, 32, 40, 50
(mm) Height

Square Framed cover WMR02

• Ductile Iron
• 70mm Height
• 12mm Thickness

Drainage Pit WGT03

• Steel Grating
• 25, 32, 40, 50
(mm) Height

Ring Manhole Cover WMR03

• Ductile Iron
• 70mm Height
• 12mm Thickness

Cast Iron Grate WCT01

• Cast Iron
• 30mm Height
• 30mm Thickness

Telecom Manhole Cover WMS01

• Ductile Iron
• 70mm Height
• 12mm Thickness

Bike Safe GrateWCT02

• Ductile Iron
• 30/50mm Height
• 30/50mm
Thickness

Telecom Manhole Cover WMS02

• Ductile Iron
• 155mm Height
• 12mm Thickness

XL Bike Safe Grate WCT03

• Ductile Iron
• 30/50mm Height
• 30/50mm
Thickness

Telecom Manhole Cover WMS03

• Ductile Iron
• 155mm Height
• 12mm Thickness

Grill With FrameWCG01

• Cast Iron
• 50/70mm Height
• 30mm Thickness

Unhinged Manhole Cover WMR04

• Ductile Iron
• 70mm Height
• 12mm Thickness