Woven Brake Blocks and Bands
 
 
OILFIELD WOVEN BRAKE BLOCKS
 
CHRYSOTILE  OILFIELD BRAKE BLOCKS
Brake blocks used in derricks and petroleum industry services. Manufactured with special fabrics with uniform density and friction surfaces that adapt precisely to the shape of brake drums.
The blocks are manufactured with chrysotile thread mixed with synthetic and natural fibers, according to the required technical specifications. The yarns contain copper or brass metallic inserts that ensure efficient heat dissipation.
The woven are impregnated with special resins, and processed appropriately to ensure a continuing and stable coefficient of friction under low and high temperatures.
The block sets include wiper blocks, retaining screws and sealing plugs.
INDUTEX offers sets of brake blocks especially designed for many known drawworks brands and models.

NON ASBESTOS OILFIELD BRAKE BLOCKS
Brake blocks used mainly in derricks and petroleum industry services. Manufactured with special fabrics of uniform density and friction surfaces that adapt precisely to the shape of brake drums.
The blocks are manufactured with fiberglass yarns mixed with synthetic and natural fibers, according to specific technical requirements. The yarns contain copper or brass metallic inserts that ensure efficient dissipation of heat. The woven are impregnated with special resins, and processed appropriately to ensure continuing and stable friction under low and high temperatures.
The sets of blocks include non-asbestos wiper blocks, retaining screws and sealing plugs.
 
BRAKE BLOCK SCREWS
Our Brass flat-head screws have a 120° beveled face that seats in the counter-bore of the block and holds it securely against the band
Lock nuts are recommended for mounting brake blocks, they hold securely and will not back off.
 
Size in inches:
5/16 x 1 1/ 5/16 x 1 ¼ 5/16 x 1 ½ 3/16 x ¾ 3/16 x 1 ¼ 3/16 x 1 ½
3/8 x 1 ¼ 3/8 x 1 ½ 3/8 x 1 1/4 3/8 x 1 1/2 3/8 x 2 3/8 x 2 1/2
 
BRAKE BLOCKS PLUGS
Protect the brake rims by filling the screw holes on the brake blocks.  Plugs provide a uniform braking surface, increased friction area, eliminate uneven wear on the rims and avoid abrasive particles and dirt  lodging in the screw holes.
 
Plug Hole Size Block Thickness
49/64” x 3/8” 3/8 ¾”
49/64” x ½” 3/8” 1” and 1 1/8”
5/8” x 3/8” 5/16” ¾”
5/8” x ½” 5/16” 1” and 1 1/8”
 
WIPER BLOCKS
Are molded blocks mounted at the dead end of the brake band. Provide a non-abrasive scouring and polishing action on the brake flange. Prevent lodging of metal particles in the other blocks and promote a better wear pattern.
 
INDUTEX offers sets of brake blocks especially designed for all known drawworks brands and models.
 
DRAWWORKS
 
B.D.W. Co,
BETHLEHEM
BREWSTER
BUCYRUS ERIE
CARDWELL
CHALLENGER RIG & MFG
CONTINENTAL - EMSCO
COOPER MANUFACTURING
CRANE CARRIER CORP.
EMSCO
FRANKS - CABOT
GARDNER - DENVER
HELIHOST/T.B.A.
HOOPER HOIST
HSMC
IDECO
LEE ENGINEERING
MID - CONTINENT
MIDWAY MFG. CO.
MOUNTAIN
MOUNTAIN
NATIONAL
OILWELL
O.I.M.E.
PEMCO "HOSS"
SEA COAST
SHAFFER OIL FIELD
SERVICE
SKYTOP
SPENCER HARRIS
SULLIVAN MACHINERY CO.
TEXAS FLANGE INC.
WAGNER
MOREHOUSE
WALKNER - NEER
WEISS CORP.
WICHTEX
WILSON
 
 
Test “Chase” - SAE J66 1a Test -  Woven brake blocks - Crisotilo  asbestos:
 
 
 
Test “Chase” - SAE J66 1a Test -  Woven brake blocks - Non asbestos:
 
 
 
 
 
 
CHRYSOTILE OILFIELD BRAKE BLOCKS
 
NON ASBESTOS OILFIELD BRAKE BLOCKS
 
BRAKE LINIG SCREWS
 
BRAKE BLOCKS PLUGS
 
WIPER BLOCKS
 
 
 
 
"The information contained in this publication is based on our evidence and experience, however, they are shown only for guide purposes."
 
 
     
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INDUTEX S.A. Corpac Street 593, Callao 1 - Peru
Telephone: (51 1) 5751522 Fax: (51 1) 5742622
Email: djimenez@indutex.com.pe
Web Site: www.indutex.com.pe
 
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