New RL-30-VWD Variable Wire Diameter Line Rider

We have recently released an addition to our Variable Wire Diameter (VWD) line of Running Line Tensiometers, the RL-30-VWD. 

Our VWD models provide a versatile solution for customers looking to monitor line tension, speed, and payout on multiple wire rope sizes without purchasing multiple tensiometers or sheave assemblies. 

The VWD is easily swapped from one wire rope to the next by a single operator by utilizing our Removable Center Sheave feature and Jacking Screws. The RL30 VWD is suitable for wire rope 1½” to 3" in diameter.
 
MTNW VWD tensiometers have set the standard for quick and simple tensiometer installation by including a modified Removable Center Sheave. This feature allows operators to quickly install and remove a tensiometer from a fixed line without the need to cut or modify the winch lines.

Our VWDs are suitable for the most aggressive offshore marine applications with anti-corrosive thermoplastic coated Alloy Steel frames.  Fully hardened 4340 Alloy Steel sheaves with spherical roller bearings offer high line speed ratings, increased wear resistance and service life.  Validated by FEA analysis, our VWD tensiometers offer a 2.5 to 1 ultimate safety factor with +/- 1%FS tension accuracy.

The new VWD version of our running line tensiometers provides operators with more flexibility and versatility when choosing the equipment that will support their requirements.

 Typical Applications:

  • Spooling
  • Offshore Mooring
  • Barge Mooring
  • Oceanographic Payload Monitoring
  • Cable Pulling / Pipeline inspection
  • Offshore Construction
  • Rentals

 

RL-30-VWD Features:

  • Provides  line tension, speed, and payout measurement
  • Accommodates 1.5" to 3" wire rope, synthetic rope and cable without swapping sheaves
  • Precision tension accuracy - greater than +/- 1% FS
  • Perfect for spooling projects and temporary mooring projects
  • 200 Ton Max Tension Capacity
  • Available for short or long term rentals from our Seattle, WA or Houma, LA rental inventory

 

Tensiometer Construction

Frame Alloy Steel with Marine Grade Coating
Fasteners 316 Stainless Steel
Pins & Shafts 17-4PH Stainless Steel
Sheaves 4340 Alloy Steel with Marine Coating
Bearings Sealed Regreasable Roller Bearings 
Enclosure Nema 4X Stainless Steel
Tension Accuracy +/- 1% of Rated Capacity
Payout Accuracy 6-8 targets per sheave revolution - 1.0" Resolution typical
Ultimate Safety Factor 250% of Rated Capacity without mechanical failure

 

About Us

Rugged Controls is an ISO 9001 certified manufacturer of rugged programmable controllers, sensors, instrumentation, controls and automation equipment used in industries ranging from oil & gas, industrial, oceanographic to mining to construction. Our brand of multivariable controllers is continually selected in mission-critical applications where rugged durability, viewability, accuracy and data acquisition is required.

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