J.R. Clancy, Incorporated -Tension Floor Blocks

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Features
  • Used as the return pulley for the hand line in J-Guide or T-bar manual counterweight sets
  • Minimum 40 lb. (18.14 kg) weight to properly tension the hand line
  • Kick tab permits easy readjustment of the block

Category: rigging systems | stage equipment | stages...

MasterFormat: Entertainment and Recreation Equipment | Broadcast, Theater, and Stage Equipment | Rigging Systems and Controls



J.R. Clancy, Incorporated
7041 Interstate Island Road
Syracuse, NY 13209
Tel: (800) 836-1885
Fax: (315) 451-1766

marilynlarsen@jrclancy.com

http://www.jrclancy.com

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Overview


Tension Floor Blocks

Features

  • Used as the return pulley for the hand line in J-Guide or T-bar manual counterweight sets
  • Minimum 40 lb. (18.14 kg) weight to properly tension the hand line
  • Kick tab permits easy readjustment of the block
  • ASTM Class 30 grey iron sheave
  • Sealed precision ball bearings
  • Steel shoes
  • Special grooves and shoe sizes available, consult factory
  • Also known as “Welch” tension blocks, after the J. R. Clancy employee who developed the block in 1925


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Specifications

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Product CodeSheave DiameterGrooveSet CentersWeight
600-11015C7510″ (254 mm)3/4″ (19 mm)6″ or 8″ (152.4 mm or 203.2 mm)41 lb (18.6 kg)
600-11015C75U10″ (254 mm)3/4″ (19 mm)Less than 6″ (152.4 mm) (specify centers)43 lb (19.5 kg)
600-11215C7512″ (304.8 mm)3/4″ (19 mm)6″ or 8″ (152.4 mm or 203.2 mm)48 lb (21.8 kg)
600-11015C10010″ (254 mm)1″ (25.4 mm)6″ or 8″ (152.4 mm or 203.2 mm)41 lb (18.6 kg)
600-11015C100U10″ (254 mm)1″ (25.4 mm)Less than 6″ (152.4 mm) (specify centers)43 lb (19.5 kg)
600-11215C10012″ (304.8 mm)1″ (25.4 mm)6″ or 8″ (152.4 mm or 203.2 mm)48 lb (21.8 kg)
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