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Flexco® Rivet Hinged Fastening System

  • SR Coal
  • SR sizes
  • SR installation
  • SR Closeup

The Flexco® SR™ Rivet Hinged Fastening System is ideal for use on rubber-plied and PVC solid woven belting and for worn belts unfit for vulcanized splices, delivering performance and long life with easy installation.  

Why Rivet Hinged?

  • Mechanical fastener rating from 330 to 2000  PIW (60 to 350 kN/m)
  • Belts from 1/8” to 1” after skiving
  • Pulley diameters from 5” to 42” (125 to 150 mm)
  • Low-profile, Scalloped Edge® design is conveyor component compatible
  • Hinged splice – easily separated to remove, extend, or clean belts
  • Rivet-attached for maximum resistance to pull out
  • Perfect for worn belting unfit for vulcanizing

Installation Method

  • Portable tooling
  • Choice of hand or power installation
  • Fasteners

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How Flexco® Rivet Hinged Fasteners Work Rivet Hinged SR 

Designed for synthetic carcass belting as well as other styles of belt, Flexco® SR™ (Self-Setting Rivet) Fasteners utilize multiple rivet attachment. This provides maximum resistance to pull-out and allows the patented rivets to work between the carcass bers without severing them, leaving the entire belt carcass intact. It does not rely solely upon the carcass material to resist pull-out. Because the rivets are self-setting, fasteners are installed quickly from the top side of the belt.

Rivets are driven through the fastener plates and through the belt, passing between the carcass bers. The specially-shaped head of each pilot nail works in conjunction with the applicator tool’s anvil plate to set the rivets. The same hammer blows that set the rivets also compress the fastener plates into the belt cover. The broad width and heavy gauge of the plates give extended wear life. These plates compress uniformly and are specially coined so there are no high spots or edges to hang up. 

Fastener Size For Belts With
Mechanical Fastener Ratings Up To:		 Belt Thickness Range Recommended Minimum Pulley Diameter
Operating Tension
Under 100% of Belt Rating		 Operating Tension
Under 75% of Belt Rating
 
P.I.W. 
kN/m 
in.
mm
in.
mm
in.
mm
R2
 330 60

1/8-3/8

3-10

5

127

5

 127
R5

450

 79

7/32-7/16

 6-11 9 230 7 175
R5-1/2

650

 114

5/16-19/32

 8-15 12 300 10 250
R6

800

 140

13/32-11/16

 10.5-17 18 450 16 400
R6LP
 800 140

5/16-23/32

 8-18 18 450 16 400
R8
 1500 263

13/32-11/16

 10.5-17 18 450 16 400
R9
 2000 350

5/8-1

 16-25.5 42 1050 42 1050

 


FASTENER METALS AND AVAILABILITY

To maximize fastener service life, fastener material must be matched to the application. Flexco manufactures fasteners from a broad range of materials. Our selection makes it easy to specify a fastener that will deliver maximum performance in a variety of conditions—from wet and abrasive applications to highly corrosive environments.

Galvanized Steel: For basic applications, galvanized steel is recommended. It is magnetic, offers good abrasion and rust resistance, but is not recommended for corrosive environments.
Stainless Steel: Stainless steel provides extra resistance to abrasion, magnetic attraction, and corrosion from acids and other chemicals.
MegAlloy®: Features superior resistance to wear and abrasion. Provides several times the service life of steel. Not recommended where
impact of corrosion is a problem.
RustAlloy®: Low chrome stainless steel. Resists corrosion from mine water and other types of chemical attack.

Fastener Material Magnetic Abrasion Resistant Chemical Resistant Rust Resistant Sparking
Galvanized Steel Yes Good Poor Fair Yes
Stainless Steel (300 Series) Slightly Good Good to Excellent Excellent Yes
MegAlloy® Yes Excellent Poor Poor Yes
RustAlloy® Yes Good Good Good Yes

 

MineLine

MINELINE®
When standard products just won't do.
Flexco Mineline® products are designed and engineered to work in some of the toughest applications in the world that test the strength and durability of your conveyor system. Products carrying the Mineline® name are proven to work — even where other products have failed.