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Durashield HD Series seals address heavy duty processing applications while reducing material loss and maintaining bearing integrity. The unique design and configurable options deliver an effective sealing solution for any processing application. 
Designed to handle higher shaft speeds, excessive face pressure, shaft misalignment and run-out while maintaining a positive seal in temperatures from -60°F to 600°F.

HD Seals are an effective sealing solution for wet, dry, powder or slurry processing environments and are widely used throughout the Dairy, Food, Pharmaceutical, Mineral and Chemical processing industries.

• Manufactured in shaft diameters from 0.625” to 4.50” (metric sizing available)
• Full, Semi & Non-split configurations
• Easy on-site rebuilding with comprehensive rebuild kits

• Non-split assembly & rebuilding: download
• Full-split assembly & rebuilding: download
• General installation tips: download
• Purge installation notes: download
• Maintenance info: download
• HD series installation guide: download
• Technical specs and sizes: download




TECHNICAL SPECIFICATIONS:
• Temperature Capability:
-60˚F to +600˚F (w/ Hi-temp options)
• Pressure Holding: 20 psig
• Vacuum Holding: 10 hg
• Air Purge Connection Pressure: 15 - 20 psig
• Typical Air loss: 1.5 - 2.0 SCFM
• Maximum Shaft Run Out: .250” TIR
• Stuffing Box Misalignment: .015 TIR per inch of shaft
• Shaft Growth: ± 1/16”
• Shaft Tolerance: ± 1/16”
• Mounting Deviation: 1°
• Standard Housing Thickness: 1.875”
• Shaft Speed: Variable by shaft diameter
• Torque setting for seal mounting: 50 Ft.lbs

 

STANDARD CONFIGURATION:
• Compliance: Food, Dairy, Pharmaceutical & Non-Corrosive processing
• Effective Sealing: Wet, Dry, Powder or Slurry processing applications
• Process temperature rated for:
-60˚F to 350˚F
• Housing: Machined Finish - 6061 Aluminium
• Faceplate: 304 Stainless Steel
• Elastomer Boot: EPDM-Silicone (FDA Compliant)
• Wear Plates: PTFE Teflon (FDA Compliant)
• Air or Grease purge
• Easy onsite rebuilding & maintenance

 

CONFIGURATION OPTIONS: (* = NON-FDA Compliant)
• Housings: 304 & 316 Stainless Steel ,Hastelloy ,Inconel ,Carpenter 20
• Coated Housings:White/Smooth, Black/Textured, Anodized
• Drive Assemblies: Self Adjusting Chem-Ring
• Elastomer:
*High-Temp Elastomer (600°F)
• Wear Plates: *Filled Teflon
, Peek, Rulon, Vespel


 

SHAFT DIA
-A-
HOUSING
-B-
BOLT SQ.MAX
-C-
BOLT SQ. MIN
-D-
SLOT WIDTH
-E-
ELASTOMER ADJ.
-F-
PURGE PORT
-G-
WIDTH
-H-
0.625" - 1.00"
4.25"
3.25"
2.25"
.48"
1.51"
1.38"
1.8750"
1.25"
4.75"
3.63"
2.88"
.48"
1.62"
1.63"
1.8750"
1.50"
5.50"
4.25"
3.87"
.66"
1.78"
1.74"
1.8750"
2.00"
6.50"
5.14"
4.24"
.66"
2.33"
1.87"
1.8750"
2.19"
7.25"
5.63"
4.88"
.68"
2.60"
2.54"
1.8750"
2.43"
7.50"
6.00"
5.25"
.68"
2.53"
2.58"
1.8750"
3.00"
8.00"
6.13"
5.88"
.80"
2.55"
2.62"
1.8750"
3.43"
9.25"
7.48"
6.17"
.80"
3.09"
3.30"
1.8750"
3.94" - 4.00"
10.25"
8.16"
6.67"
.94"
3.48"
3.69"
1.8750"
4.43" - 4.50"
10.88"
8.88"
7.75"
.94"
3.46"
3.62"
1.8750"

Durashield HD Series seals are dimensionally configured for "E-Type" and SCM medium duty 4-bolt flange bearings.
Also available for heavy duty RB end thrust bearings. For additional information please contact us