1-1/4 Inch STTB Aluminum Through-Bulkhead Knockout Hub

Catalog Number
PMSTTBA-4
UPC
736953015432.0
PVC Coated ST Style Knockout Hub by Perma-Cote
Description

PVC coated STTB hubs are "Through-Bulkhead" fittings used to pass conduit runs through firewalls or bulkheads up to 1/8" thick.

Application
Used to pass conduit runs through firewalls or bulkheads up to 1/8" thick
Features
40 mil gray PVC exterior coating
2 mil green urethane interior coating
Available in 10 trade sizes 1/2" through 3"
Sealing sleeves on conduit side of hub
Molded PVC gasket seals flush with enclosure wall
O-ring gasket provides additional seal

General Information

Trade Size
1-1/4
Material
ALUMINUM
Material
ALUMINUM
Exterior Finish
A nominal .040 inch (40 mil) gray PVC coating
Interior Finish
A nominal .002 inch (2 mil) green urethane
Seal Type
O-ring gasket
Dimensions
Dimension A (Inches)
1.69
Dimension B (Inches)
3.25
Max Wall Thickness (Inches)
0.25
Standards
NEC/CEC
Class III, Division 1 & 2
NEC/CEC
Class I, Division 2
NEC/CEC
Class II, Division 1 & 2

Technical Information

Conduit Body
STTB
Fitting Type
KNOCKOUT HUB
Product Category
FITTING
Product Family
PVC Coated ST Style Knockout Hub
Notes
All Screw-tight Hubs are listed for NEMA and UL type enclosures 2, 3, 3R, 4, 4x, 11 and 12