Reverse Circulating Side Inlet MKV-SI Swivel with inner tube

Reverse Circulating Side Inlet Mark V-SI Swivel with inner tubeNHM_catalog_17

Available in sizes to 8″ I.D.

Large watercourse – 2 1/2″ diameter for upper section
Upper section
Non-adjustable chevron packing
Grease lubricated
Compact design – easily repaired
One-piece design on the swivel housing to eliminate misalignment, extending the packing and stem life.
Inner tube can be custom made


  • Shoulder-to-shoulder length: 20-1/8″
  • Standard upper connection: 3-1/2″ API Regular
  • Standard inlet connection: 2″ NPT
  • Optional inlet connection: 2″ NPT
  • Weight: 189 LBS

Available with or without inner tube. Optional inner tube size may vary according to customer specifications.

NOTE: Wedgelock connections covered by N.H.M., Inc. U.S. and foreign patent NO. 5,409,324; 5,588,772; 187552;
and P94100AU