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: Clamp-in Installation

Ring
Material
Panel
Material
O-Ring
Material
Penetration
Diameter
Part
Number
Stainless
Steel
Metal or
Plastic
Buna-N 5.03 in.
128 mm
31948

Enclosure Ring: Weld-in Installation

Ring
Material
Flanged Panel
Thickness
Penetration
Diameter
Note Part
Number
S.Stl.
304L
No 2.69 in. Max.
68 mm Max.
5.01 in.
127 mm

31938
Yes 0.25 in. 6.385 in.
162 mm
Step for
Lining
31956

Window

Window
Material
Window
Thickness
O-Ring Part No.
Safety Glass 0.25 in.
6 mm
Neoprene 31942

Plug

O-Ring Part No.
Buna-N 32128

Locking Ring: Part No. 20971
Ejection Tool: Part No. 32126


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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