Mounting and Cable Management

Cable Glands and Grommets

Cable glands and grommets take cables, pipes and hoses through enclosure walls, control cabinets, raised floor tiles and room partitions without losing tightness. In the cooling loop of a data centre they do two jobs: they keep moisture, condensate and escaping coolant on one side of the wall, and they relieve the entry mechanically so that no tensile load reaches the terminal. The range for this category is currently being built up, so no items are listed yet.

Selection rests on the cable outside diameter against the clamping range of the seal, the thickness of the wall or panel and the material. Polyamide, PVDF, PP, PE and stainless steel are unrestricted in a water glycol loop, and EPDM works as a sealing material. Brass only comes into question with a single material pairing, while galvanised steel and aluminium are ruled out. Specific sizes can be clarified from the supplier programme.

Net prices plus VAT

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Buying guide

How to choose Cable Glands and Grommets

What matters when choosing: properties, comparison and typical applications.

Function in the cooling loop

⚡ Sealed entry - moisture, condensate and escaping coolant stay on one side of the wall

⚙ Strain relief - forces from the cable never reach the terminal

↕ Clamping range - the cable outside diameter sits in the middle of the seal range

✓ Material choice - polyamide, PVDF, PP, PE and stainless steel are uncritical in a glycol loop

⚑ Range being built - no items listed at present, the category describes the function

Designs and selection criteria

Types of entry and what governs the choice

Design	Function	Materials for an IT loop	Selection criterion
Cable gland with sealing insert	sealed entry for a single cable	polyamide, PVDF, stainless steel	cable outside diameter within the clamping range
Gland with strain relief	takes tensile load at the entry	polyamide, stainless steel	permissible tensile force, bend protection
Grommets and membrane entries	passage without a threaded hole	EPDM, polyamide	panel thickness and hole diameter
Cable entry plate	several cables through one wall opening	EPDM with stainless frame	number and diameter of the cables
Pipe and hose entry	passage through floor, wall or raised floor tile	stainless steel, PP, PE	tightness against escaping coolant

Typical applications

sensor and control cables entering cooling system control cabinets
coolant pipes passing through raised floor tiles
wall penetrations between plant room and IT room
sealing openings at distribution units and pump stations
retrofitting additional cables in existing enclosures