Skip to content
FREE ACCESS to our RYDM (Rail Yard Data Management) demo website... click to learn more
FREE ACCESS to our RYDM demo website... Rail Yard Data Management

OPW 3420F-0302 Steel 3" Swivel Joint, 150# Flanges

Original price $1,064.00
Current price $815.00
SKU 3420F-0302

OPW 3420F-0302 Fabricated Steel 3" Single Swivel Joint, Straight, 150# Flanges


IOM_3000 Series Swivels

Catalog_Swivel Joints

Quick Specs

  • Part #:  3420F-0302
  • Series:  3400 Series Swivel Joints- Fabricated Steel (3000 Series Overall)
  • Basic Style:  Style 40, 1 Plane of Rotation
  • Specific Style:  Style 3420F
  • End Connections:  3" 150# ANSI Flanges both ends
  • Main Seal Material:  Fluorocarbon (Viton)
  • Body Material:  Carbon Steel
  • Grease Fitting:  Yes
  • Dual Race Ball Bearings
  • Rebuild Kit Required:  3000RK-0302 (Requires 1 kits- 1 per plane of swivel)
  • Manufacturer:  OPW Engineered Systems

*Commonly found at the base of a railroad fuel crane.


Available in a variety of materials, sizes and styles to meet virtually any application.

  • Sizes: 3/4” to 12”
  • Standard Materials: Aluminum, Bronze, Carbon Steel, Ductile Iron, 316 Stainless Steel
  • Standard Seals: Buna-N, Fluorocarbon, PTFE, EPDM, Neoprene, Kalrez®
  • End Connections: FNPT, 150/300 ANSI Flanged Ends, Butt/Socket Welds

Metal Options

  • Aluminum (ASTM B26, A356 T6)
  • Bronze ( ASTM B62-83600)
  • Carbon Steel (ASTM A105)
  • Ductile Iron (ASTM A-536)
  • Stainless Steel (ASTM A351-CF3M/CF8M)

Seal Options

  • Buna
  • Fluorocarbon
  • PTFE
  • EPDM
  • Neoprene
  • Kalrez


Lubrication plays an important role in the life expectancy of a swivel joint. OPW has done extensive research to determine the best lubricants for our products. Our standard is a High Performance Synthetic Lubricant (OPW part # 880-0089).

  • Specially formulated to reduce friction & wear.
  • Requires only annual lubrication
  • Will not drip, melt or carbonize
  • Complies with FDA regulation 21CFR178.3570
  • Temperature Range -40F – 750F (-40C – 399C)
  • Not for use with EPT/EPDM Seals. EPT/EPDM seals require the use of OPW 885-0083 lubricant.