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Keystone Safety Clamps

Keystone is a leading manufacturer of Oilfield Safety Clamps. We offer the Type C, T, & MP Safety Clamps. These are ideal to help safeguard against dropping strings of flush joint tubing, providing a shoulder to position strings of flush line pipe for welding, and many other applications.

The Safety Clamp consists of individual links, flexibly hinged together. Each link has a separate tapered slip which acts as a gripping member, much like a tapered rotary slip, and each slip is held in a retracted position on the taper by spring tension. When the clamp is tightened, each small slip takes a firm initial grip on the surface of the pipe.

Should the pipe start to fall, or should load increase occur against the slips, the taper mounting causes each slip to wedge tighter against the surface of the pipe to increase the grip or lock the pipe against further movement.

KET Type MP Safety Clamp

The KET Type “MP” Safety Clamp is ideal to help safeguard against dropping strings of flush joint tubing while making up or breaking out the string. The multi-link design provides uniform pressure around the pipe reducing the risk of crushing or damaging the pipe. Each assembly is provided with its own aluminum box as a standard option.

Part NoRangeRef ## LinksGripping DiesWT
MP-S
A31-0092-7/8″ – 4 1/8″3303078128
A31-0104″-5″3303189133
MP-R
A31-0114 1/2″- 5 5/8″3301178120
A31-0125 1/2″ -7″3301289130
A31-0136 3/4″-8 1/4″33013910138
A31-0148″-9 1/4″330141011147
A31-0159 1/4″-10 1/2″330151112155
MP-M
A31-01610 1/2″-11 1/2″330161213163
A31-01711 1/2″-12 1/2″330171314171
A31-01812 1/2″-13 5/8″330181415179
A31-01913 5/8″-14 3/4″330191516187
A31-02014 3/4″-15 7/8″310201617195
MP-L
A31-02115 7/8″-17″330211718215
A31-02217″-18 1/2″330221819223
A31-02318 1/8″-19 3/8″330231920231
MP-XL
A31-02419 3/8″-20 3/8″330241920280
A31-02520 3/8″-21 1/2″330252021288
A31-03221″-22 5/8″330322122296
A31-03322 5/8″-23 3/4″330332223304
A31-03423 3/4″-24 7/8″330342324312
A31-03524 7/8″-26″330352425320
A31-03626″-27 1/8″330362526328
A31-03929 3/8″-30 1/2″330392829336

Replacement Parts for KET MP Type Safety Clamps

Part NoItem #DescriptionClamp TypeRef #QTYWT
A31-3351Link CompleteMP-S Only3335AR9.00
A31-3191Link CompleteAll Except MP-S3319AR8.75
A31-3072Pin, For Link (w/ Cotter)All3307AR.75
A31-3063Link (w/ Cotter)All3306AR4.50
A31-3254Carrier Assy. (w/DIE)MP-S Only3325AR2.50
A31-3244Carrier Assy. (w/DIE)All Except MP-S3324AR1.50
A31-3335DIE (w/Cotter)MP-S Only3333AR2.50
A31-3105DIE (w/Cotter)All Except MP-S3310AR1.00
A31-3096Carrier (less DIE)All3309AR2.50
A31-3117SpringAll3311AR.1
A31-4188Roll Pin (DIE Keeper)All51604-18AR.1
A31-5289Cotter Pin (f/Carrier)All51405-28AR.18
A31-31810Side Bar Links (Pair)All3318AR2.50
A31-30411Latch LinkAll Except MP-XL330417.00
A31-32111Latch LinkMP-XL Only3321114.00
A31-30812Pin For Screw, (w/Cotter)All33081.50
A31-31513Bushing F/ Screw PinAll33152.33
A31-510Cotter F/Screw PinAll51405.104.08
A31-30214ScrewAll3302opt5.25
A31-71415Nut F/ScrewAll2714opt1.00
A31-30316Thrust WasherAll330313.50
A31-30517HandleMP-S,MP-R, & MP-M33054.50
A31-30517HandleMP-S & MP-XL33054.50
A31-316N/PHold Down LugAll33165.75
A31-317N/PLifting EyeAll33174.75
A31-32018Nut WrenchAll33205.00

Type C Safety Clamp

The KET Type “C” Safety Clamp is one of the most valuable tools on the Rig Floor. It helps guard against dropping flush-joint pipe, streamlined drill collars, etc. into the hole while making-up or breaking-out the string. Literally, it has dozens of money and time-saving applications in oilfield work, in addition to giving increased protection against fishing jobs.

The Safety Clamp consists of individual links, flexibly hinged together. Each link has a separate tapered slip which acts as a gripping member, much like a tapered rotary slip, and each slip is held in a retracted position on the taper by spring tension. When the clamp is tightened, each small slip takes a firm initial grip on the surface of the pipe. Should the pipe start to fall, or should load increase occur against the slips, the taper mounting causes each slip to wedge tighter against the surface of the pipe to increase the grip or lock the pipe against further movement.

Clamps with Handles & Wrench Type CR (Single Screw)

Part NoRange OD SizeLinks RequiredWT
A12-1273 3/4″ – 4 5/8″746.00
A12-1284 1/2″ – 5 5/8″855.00
A12-1295 1/2″ – 6 5/8″960.00
A12-1306 1/2″ – 7 5/8″1064.00
A12-1317 1/2″ – 8 5/8″1169.00
A12-1328 1/2″ – 9 5/8″1273.00
A12-1339 1/2″ – 10 5/8″1378.00
Type CL Single Screw
Part NoRange OD SizeLinks RequiredWT
A12-13410 1/2″ – 11 5/8″1472.00
A12-13511 1/2″ – 12 5/8″1577.00
A12-13612 1/2″ – 13 5/8″1682.00
A12-13713 1/2″ – 14 5/8″1787.00
A12-13814 1/2″ – 15 5/8″1892.00
Type CXL 7 Double Screw
Part NoRange OD SizeLinks RequiredWT
A12-14515 1/2″ – 17″18114.00
A12-14616 1/2″ – 18″19119.00
A12-14717 1/2″ – 19″20124.00
A12-14818 1/2″ – 20″21129.00
Clamps with Lifting Clevis Type CXL Single Screw

Part NoRange OD SizeLings RequiredWT
A12-15010 1/2″-11 5/8″1483.00
A12-15111 1/2″-12 5/8″1588.00
A12-15212 1/2″-13 5/8″1693.00
A12-15313 1/2″-14 5/8″1798.00
A12-15414 1/2″-15 5/8″18102.00
Type “C X L”
(Double Screw)
A12-15515 1/2″ – 17″18117.00
A12-15616 1/2″ – 18″19121.00
A12-15717 1/2″ – 19″20126.00
A12-15818 1/2″ – 20″21131.00
A12-15919 1/2″ – 21″22133.00
A12-16021 1/8″ – 23″24136.00
A12-16124 1/8″ – 26″27140.00
A12-16229 1/2″ – 31″32152.00
A12-16335 1/2″ – 37″38164.00
ADD – “B” TO END PF PART# TO INCLUDE BOX

SAFETY CLAMP CONVERSION KIT

The KET Clamp Conversion Kit A is designed to allow the end link pin to be removed from the screw to open the clamp. A special lock bushing and retainer added to the screw is designed to prevent the nut from backing off. The end link pin also includes a double lanyard for added support.

Part No.ItemDescriptionWT
A12-100-ASAFETY CLAMP CONVERSION KIT A8.80
A11-111-S1SAFETY CLAMP SCREW, SPECIAL4.50
A11-1122NUT FOR T & C SAFETY CLAMP1.75
A11-111-LB3SAFETY CLAMP SCREW LOCK BUSHING.30
A11-110-SD4END LINK PIN W/ CHAIN, CABLE, AND RETAINER1.40
A11-1175HANDLE PIN WITH COTTER.85

Type T Safety Clamp

The Keystone Energy Tool Type “T” Safety Clamp is designed for small diameter pipe 1 1/8” – 4 1/2” O.D. Each link changes the effective working range approximately 1” in diameter. The Type “C” Safety Clamp is used for sizes larger than 4 1/2” O.D..

KET #Range OD SizeRef #Links RequiredWT
A11-1251 1/8″ – 2″7624-5103436.00
A11-1262 1/8″ – 3 1/4″7624-5104540.00
A11-1273 1/2″ – 4 1/2″7624-5105644.00
Part NoItemDescriptionReference #SparesWT
A11-1011LINK ASSY. COMPLETE7624-B-74.25
A11-1022LINK INTERMEDIATE7624-A-1833.25
A11-1033INSERT W/COTTER7624-A-216.25
A11-1044COTTER F/INSERT900620-52.06
A11-1055SPRING F/INSERT7624-B-216.06
A11-1066LINK PIN W/COTTER7624-C-53.75
A11-1077COTTER F/LINK PIN900620-36.06
A11-1088END LINK (SCREW)7624-A-204.50
A11-1099END LINK (PIVOT BLOCK)7624-A-193.50
A11-110-110END LINK W/CHAIN7624-F-511.25
A11-11111SCREW7624-A-54.00
A11-11212NUT7624-B-51.50
A11-11313PIVOT BLOCK7624-A-50001.50
A11-11414PIVOT BLOCK PIN7624-D-5.25
A11-11515NUT WRENCH7624-A-254.00
A11-11616HANDLE (CAST STEEL)7624-A-223.00
A11-11717HANDLE LINK PIN W/COTTER7624-G-5.75
A11-118N/PHANDLE KIT7624-A-51384.00
A11-11919PIVOT BLOCK PIN WRENCH900533-12.12
A11-120N/PSAFETY CLAMP BOX7624-A-945.00
A11-121N/P1 YEAR SPARE PARTS KITN/A113.00
ALL PARTS ARE INTERCHANGEABLE WITH BAASH-ROSS® TYPE “T” SAFETY CLAMPS
**RECOMMENDED SPARE PARTS FOR 1 YEARS SERVICE

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