Smith-Blair 281 Full Circle Wide Range Repair Clamp

133³⁶

The new 281 Full Circle Wide Range Repair Clamp will allow you to repair more leaks caused by breaks, splits or holes, as well as joining pipes of the same diameter.

They work on Carbon Steel, Stainless Steel, Ductile Iron, PVC, Asbestos Cement, Copper and Aluminum.

Working pressure is up to 150 PSI, depending on is- sues like pipe type, pipe repair that needs to be done, pipe diameter, service conditions and installation.

Model 281 Materials Specifications:

Band
   Type 304 Stainless Steel, per ASTM A 240 Finger

Finger
   Type 304 Stainless Steel, per ASTM A 240
   Thickness 7 gauge
   Fingers allow for up to .95” of range Lug Bar

Lug Bar
   Type 304 Stainless Steel, per ASTM A 240
   Thickness 10 gauge

Keeper Bar
   Type 304 Stainless Steel, per ASTM A 240
   Thickness 14 gauge
   Helps pull clamp around the pipe and close the clamp during installation.

Gasket
   Nitrile Buna-N per ASTM D2000
   Thickness: .25” thick
   Certified to NSF/ANSI 61 & 372

Bridge Plate
   Nitrile Buna-N per ASTM D2000
   Molded and recessed into gasket
   Provides uniform distribution of gasket pressure over the entire pipe circumference.

Stud
   Type 304 Stainless Steel per ASTM A276
   Epoxy threads to prevent galling
   Rolled threads for greater accuracy and smooth finish

Nut
Type 304 Stainless Steel or equivalent, per ASTM A194
Fluoropolymer coated to prevent galling

Washer
5/8” Type A Plain

MODEL 281 DOES NOT RESTRAIN PIPE MOVEMENT:
Proper anchoring is required to prevent pipe pull-out.
USE STIFFENERS WITH PVC: Pipe Stiffeners are required when this product is used with thin-walled PVC pipe.

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