MODEL “F” SPIDERS AFFORD MANUAL, PNEUMATIC, and HYDRAULIC OPERATION
The CAVINS “Advance” Model “F” Automatic Spider is another
industry tested and proven tool. Similar to the Model “B” and Model
“C” Spiders, the Model “F” offers manual, pneumatic(air) or
hydraulic operation mechanisms. The Model “F” Spider (Fig. 1) can
handle tubular goods ranging in size from 2-3/8" O.D. through 8-
5/8" O.D. and is favored for automation in light drilling operations
or for heavy workover and production rigs. The load capacity for
the Model “F” Spider is 400,000 lbs.
NOW the Model “F” Spider is
available also with CAVINS patented, Type “FCR” Full Circle Slips,
(Fig. 2) with Replaceable Type “FCI” Inserts. The conventional,
Type “TD” Slips, (Fig. 3) with Replaceable Inserts are also available
FIGUR-2 & FIGUR-3
-- PART'S READY STOCK --
MODEL “G” SPIDERS FOR HEAVY DRILLING OPERATIONS
FIGUR-4
For heavy drilling operations, up to 700,000 pounds (350 tons)
hook load capacity; the CAVINS “Advance” Model “G” Automatic
Spider, (Fig. 4) is recommended where heavy duty, dependable
service applies. The Model “G” Spider will handle tubular goods
ranging in size 2-3/8" through 13-3/8" O.D. and is available for
pneumatic (air) or hydraulic operation. Like all CAVINS “Advance”
Spiders, the Model “G” utilizes a minimum of moving parts for ease
of operation and very minimal maintenance. CAVINS patented and
proven Type “FCR” Full Circle Slips (Fig. 2 and 5) with replaceable
Type “FCI” Inserts, are used for the complete range of sizes in the
Model “G” Spider. The long 16" gripping area plus 360° degree,
100% contact of the Type “FCI” Inserts, makes it the most positive
pipe holding device of its kind. Competition can boast only a maximum
of 70% contact of the pipe. The clear advantage being
greater contact area causing far less chance of damaging or
crimping heavy strings of pipe. Another proven asset of the
CAVINS unique design is that there is no need for costly pipe
guides to attach to the spider because the Slips and Inserts withdraw
completely from the Spider Bowl and when disengaged
allows full protection from damage by the string when it is in
motion.
Master Slip Bodies with companion
Replaceable Inserts afford the
greatest economy for working a
wide range of tubular goods sizes.
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FIGUR-1
FIGUR-2 & FIGUR-3
FIGUR-4
FIGUR-5
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