Central Research Laboratories

4" Enclosure System

CRL 4-inch Enclosure Systems are generally used as window ports or as service ports for temporary utility access (electrical, pneumatic, rotary feedthru, etc.) where sealed bulkhead connectors can be mounted in an ejectable plug. Enclosure Rings are available in clamp-in or weld-in styles. You can find more information about Accessories.


Enclosure Ring

Type Material PartNumber
Clamp-in Stainless Steel 304L 42916
Weld-in Stainless Steel 304L 31938


Enclosure Ring Mounting Seals

Mounting Panel O-ring/Gasket Part Number
Metal/Plastic Buna-N 1-96220
EPDM 8-96220
Neoprene 2-96220
Viton® 7-96220
Glass Buna-N 42920
EPDM 42921
Neoprene 42922
Viton® 42923


Glove Support Ring

Required for installing a glove

O-ring Part Number
Buna-N 43005
EPDM 43006
Neoprene 43007
Viton® 43008


Plug

O-Ring Part Number
Buna-N 32128
EPDM 42965
Neoprene 42966
Viton® 42967


Window

Window
Material
Window
Thickness
O-Ring Part Number
Safety Glass 0.25 in.
6 mm
Buna-N 42941
EPDM 42943
Neoprene 31942
Viton® 42942


Accessories

Item Part Number
Locking Ring 20971
Ejection Tool 32126


Viton® is a registered trademark of Dupont Dow Elastomers.

Updated 4/8/2010


If the options listed above do not meet your specific requirements, use the Selector Form or contact CRL at (651) 385-2143 or sales@centres.com.

Enclosure System Selection
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