Manhole Liner

Application

Suitable for food, dairy, fish and beverage plants.

Note: In most cases the top of the liner is 200–300 mm below FGL (load-bearing concrete above this supports the Kent or other manhole frame and cover at ground level. The manhole frame and the cover is most often smaller than the liner opening and can be a standard size).

Description

Benched bottom manholes liner which has a sloped base to help residue exit the chamber. Available with a square or round body.

The inlets and outlets on these benched bottom manhole liners are designed to allow for connection of stainless steel, polypropylene and PVC–U pipework. Liners can accommodate one, two, three or multiple side inlets at varying inverts and one side outlet.

Inlet sizes vary from 75–300 mm diameter.

Where liners are internal in the building they are generally supplied with Double Sealed or Triple Sealed Recessed stainless steel manholes for concrete infill from B125 up to D400 load.

Where liners are external to the building, the covers above these liners are generally cast iron, but in some cases double sealed recessed or chequer plate stainless steel can be supplied.

Liner bodies are fully welded and dye pen tested. For deep liners optional step rungs can be added.

Features and benefits:

  • Low maintenance.
  • Reliable, controllable illumination.
  • Energy efficient.
  • Customized to suit particular project requirements.
  • Easy to install.

Applications:

Suitable for food, dairy, fish and beverage plants.

Note: In most cases the top of the liner is 200–300 mm below FGL (load-bearing concrete above this supports the Kent or other manhole frame and cover at ground level. The manhole frame and the cover is most often smaller than the liner opening and can be a standard size).

General information

Size

Manufacturer's standard

Bespoke

Consult manufacturer for details and insert requirements.

Material

[Material, 1.4304 (304L) grade stainless steel]

-

CAWS

P30/305 Proprietary access and inspection chambers

Specification data

Product Reference

Manhole Liner

Type

KBBML1000

Round body.

KBBML1200-1200SQ

Square body.

KBBML1200RD

Round body.

KBBML700-700SQ

Square body.

KBBML850

Round body.

KBBML950-950SQ

Square body.

Size

Manufacturer's standard

Bespoke

Consult manufacturer for details and insert requirements.

Manhole cover

-

Type

Cast iron

External use.

Stainless steel, checker plate

Stainless steel, double sealed

Stainless steel, triple sealed

Loading class to BS EN 1253

B125

C250

D400

Step rungs

Not required

Required

Standard product features

Visible frame:

600 x 450 mm.

Unit depth:

450 mm

Tray depth:

125 mm.

Residual current circuit breaker with over current protection (RCBO):

The range designed to ensure efficiency and protection. The RCBOs supplied comes standard with every Kent IGU to ensure safety when working with electrical Components and are all IP67 rated.

Product Options

Material:

1.4304 (304L) grade stainless steel.

Size:

- Diameter x h:

  • KBBML850: 850 x 1000 x 204 mm.
  • KBBML1000: 1000 x 1600 x 324 mm.
  • KBBML1200RD: 1200 x 1000 x 305 mm.

- l x w x h:

  • KBBML700-700SQ: 700 x 700 x 500 mm.
  • KBBML950-950SQ: 950 x 950 x 1417 mm.
  • KBBML1200-1200SQ: 1200 x 1200 x 1200 mm.

Outlet:

  • KBBML1000: 324 mm.
  • KBBML1200-1200SQ: 254 mm.
  • KBBML1200RD: 305 mm.
  • KBBML700-700SQ: 160 mm.
  • KBBML850: 204 mm.
  • KBBML950-950SQ: 324 mm.

Inlets:

  • KBBML850: 204, 160 and 110 mm.
  • KBBML1000: 273, 273 and 203 mm.
  • KBBML1200RD: 162, 201 and 205 mm.
  • KBBML700-700SQ: 110 and 110 mm.
  • KBBML950-950SQ: 273 mm.
  • KBBML1200-1200SQ: 254, 254 and 160 mm.

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