www.topworx.com 
7 
 
TM 
SHAFT TYPE OPTIONAL
SEE SHAFT DETAIL 
SECTION
2.00
1.10
2.10
4.51
6.21
MINIMUM 2.5" REQUIRED CLEARANCE
IN ORDER TO DISINGAGE THE SHAFT FROM THE ID BUSHING
AND REMOVE LID WHERE OPTIMUM CONDITIONS APPLY
2.25
2.25
5.03
3.66
6.10
2.14
VALVE TYPE OPTIONAL
SEE INTEGRATED PNEUMATIC
CONTROL VALVES SECTION
5/16-18 UNC - 2B
.44DP
MOUNTING SURFACE
OPTIONAL CONDUIT ENTRIES
USED ONLY WHEN 4 ENTRIES
ARE SPECIFIED
OPTIONAL CONDUIT ENTRIES
Dimensions and Materials: TopWorx™ DXR 
 
MATERIALS OF CONSTRUCTION 
Enclosure 
Valox
®
 364 
Polybutylene 
Terephthalate (PBT) 
Fasteners 
304 Stainless Steel standard 
316 Stainless Steel optional 
Shaft 
304 Stainless Steel standard 
316 Stainless Steel optional 
Shaft Bushing  Delrin
®
 500P white 
Indicator Dome  Polycarbonate, UV F1 rated 
Seals  O-ring seals available in: Silicone 
 
Maximum Fastener Torque Specifications 
Enclosure Housing Bolts  10 in-lbs [903 mN·m] 
Indicator Dome Screws  20 in-oz [141 mN·m] 
Bottom Mounting Holes  8 ft-lbs [13.6 N·m] 
Illustration #7