Endura Split Flange - 8000 Series

8000 Series Endura Split Flange Swivels

The Endura™ Dual Split Flange (DSF) swivel joint from OPW® Engineered Systems represents the best in swivel technology. Specifically designed for the transfer of hazardous materials such as acids, solvents, petrochemicals and other toxic fluids, Endura™ sets the standard in Loading Arm Swivel performance.

  • Standard Sizes: 2 in., 3 in., 4in.
  • Standard Materials: Carbon Steel, Stainless Steel
  • Standard Seals: Buna-N, Fluorocarbon, PTFE, EPDM, Neoprene
  • End Connections: FNPT, 150/300 ANSI Flanges, Butt Weld
Vacuum-Jacketed Piping, Hoses & Accessories

Benefits

  • Endurance – Heavy-duty construction and unique design features result in long-life, hassle-free operation
  • Improves Uptime Performance – Endura™ DSF swivel technology, combined with the most user-friendly counterbalance solutions,results in LESS DOWNTIME–LESS LABOR–LESS COST!
  • Lowest Overall Cost of Ownership – Optimized performance, downtime prevention and reduced maintenance time and costs make this the best overall loading arm solution currently available.
  • Redundant Sealing for added safety!
    • Incorporates a main seal, back-up seal, and environmental seals
    • If main product seal ever leaks due to normal wear, the back-up seal contains the fluid
    • Any main seal leakage would be channeled to leak detection port
    • Environmental seal provides a third layer of protection
  • Bearing Module for easy maintenance
    • Deep groove replaceable dual & single race ball bearing technology
    • Easy replacement or rebuild options
    • Ball removal not required to access main seals
    • Endura™ 8800-8900 series feature ALL stainless steel construction
  • Easy Maintenance
    • Simply unbolt sealing flanges to access seals
    • No ball bearings to remove
  • Leak Detection Port
    • In the event of main seal leakage, fluid would be channeled to leak detection port
    • Quick & easy way to monitor performance so that maintenance can be performed
  • Purge Port
    • For critical applications, an inert gas can be injected at leak detection/purge port
    • Inert gas pressure higher than product pressure to virtually eliminate risk of fugitive emission.
    • Recommended for your extreme applications!

Swivel Styles

endura-style-20-100

Style 20 1 plane of rotation

endura-style-60-100

Style 30 1 plane of rotation

endura-style-40-100

Style 40 1 plane of rotation

endura-style-50-100

Style 50 2 planes of rotation

endura-style-30-100

Style 60 2 planes of rotation

endura-style-70-100

Style 70 2 planes of rotation

Ordering Guide

8000 Series Swivel Order Guide

iom-8000-series-selection-guide

8000 Series Seal Kits

SizeBunaFluorocarbonPTFE/SiliconeEPDM Kalrez® 
2” 8000RK-02018000RK-0202 8000RK-0203 8000RK-0204 8000RK-0209 
3” 8000RK-0301 8000RK-0302 8000RK-0303 8000RK-0304 8000RK-0309
4”8000RK-0401 8000RK-0402 8000RK-0403 8000RK-0404 8000RK-0409

All Endura DSF Seal Kits include (2) Main seals, (1) Back-up seal and (3) PTFE encapsulated Fluorocarbon environmental seals. Also included are required seal spacers and hardware.

Technical

Materials

MaterialsCarbon SteelStainless Steel 
Sealing Flange ASTM A350-LF2 Class 1ASTM A351-CF3M 
Body ASTM A350-LF2 Class 1* ASTM A351-CF8M 
TailASTM A350-LF2 Class 1* ASTM A351-CF8M 
Elbow ASTM A234 WPB ASTM A351-CF3M 316L 
150/300 lb Flange ASTM A105 ASTM A351-CF3M 316L 
Bearing Grade 200 CST Grade 440 SST 
Bolts A193 B7 A193 B8M Class 2 
Ball Plug/Nut Carbon Steel Stainless Steel 
Grease Fittings Stainless Steel Stainless Steel 

*Carburized to RC 45-60 Main and Back-Up Seals

 Min Temp (F/C)Max Temp (F/C)
Buna -20°F/-28.8°C212°F/100°C
Fluorocarbon -20°F/-28.8°C400°F/204.4°C
PTFE (PFA) encapsulated Silicone (FDA Approved)-50°F/-45.6°C500°F/260°C
EPDM -50°F/-45.6°C250°F/121°C
Kalrez 0°F/17.7°C500°F/260°C

All Endura DSF Swivels come standard with specified main and back-up seals. PTFE encapsulated Fluorocarbon environmental seals (qty 2) and static product seals (qty 1) are standard. Other seals available upon request.

Lubricants

ProductDescription  
880-0089 High Performance Synthetic Lubricant (14 oz. (400 gram) cartridge) Specially formulated to reduce friction and wear Requires only annual lubrication Will not drip, melt or carburize Complies with FDA Regulation 21CFR 178.3570 Temperature Range: -40°F – 750°F (-40°C – 398.8°C) NOT FOR USE WITH EPT/EPDM SEALS 
885-0083 High Performance Synthetic Lubricant for EPT/EPDM Seals  

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Customer Support

Reach Out to Our Customer Support Team for Prompt Assistance and Answers to Any Questions or Concerns You May Have

GET SUPPORT

Technical Support

Contact Us for Technical Support on Your Projects and Resolving Any Technical Issues You Encounter

GET SUPPORT

Contact a Distributor

Locate a Nearby Distributor for Replacement Parts

CONTACT A DISTRIBUTOR

Product Enquiry

Product Information request form to find the right solution

PRODUCT ENQUIRY