Stainless Steel Fireloop®

Seismic U-Loop Style Expansion Joint

Meet the demands of more critical applications with our all 316 SS Fireloop® expansion joint. For use in corrosive environments or higher pressure applications, our all 316 SS Fireloop® is UL Listed at 300 psi up to 6″ diameter with…
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Product Description
Product Highlights
Additional Resources
Submittals
Product Description

Meet the demands of more critical applications with our all 316 SS Fireloop® expansion joint.

For use in corrosive environments or higher pressure applications, our all 316 SS Fireloop® is UL Listed at 300 psi up to 6″ diameter with all stainless steel construction. For use in floating docks, gangways, bridge fire suppression piping, and foam fire suppression systems where corrosion and higher pressures are a concern.

Available in grooved end-fittings in sizes 1″ through 12″ diameter.

Other Stainless Steel Products Available from Metraflex Fire Protection Division:
Stainless Steel FireVoop Expansion Joint, Stainless Steel FireStrait Flexible Connector

Pressure Loss Chart
Product Highlights
  • Protects piping from seismic, tidal, and mechanical movement in corrosive environments
  • UL Listed at 300 psi up to 6″ diameter
  • Grooved sizes 1″ through 12″ diameter
  • Proudly made in USA
Pressure Loss Chart
Literature
Fireloop UL Grooved SS 4in
Fireloop UL Grooved SS 8in
Fireloop UL Grooved SS 16in
Fireloop UL Grooved SS 24in
Additional Resources
Pressure Loss Chart
Literature
Fireloop UL Grooved SS 4in
Fireloop UL Grooved SS 8in
Fireloop UL Grooved SS 16in
Fireloop UL Grooved SS 24in
Submittals
Fireloop UL Grooved SS 4in
Fireloop UL Grooved SS 8in
Fireloop UL Grooved SS 16in
Fireloop UL Grooved SS 24in
316 STAINLESS STEEL GROOVED ENDS
MODEL# PIPE SIZE MOVEMENT END TO END LENGTH PSI WEIGHT LBS
MLUGSS80100 1″
(25mm)
 ±4″ 15″ 20″ 300 PSI 8
MLUGSS160100 ±8″ 18″ 23″ 8
MLUGSS320100 ±16″ 27″ 29″ 8
MLUGSS480100 ±24″ 34″ 35″ 14
MLUGSS80125 1.25″
(32mm)
±4″ 15.75″ 21″ 10
MLUGSS160125 ±8″ 19″ 25″ 10
MLUGSS320125 ±16″ 28″ 32″ 12
MLUGSS480125 ±24″ 35″ 38″ 18
MLUGSS80150 1.5″
(30mm)
±4″ 17.5″ 23″ 15
MLUGSS160150 ±8″ 21″ 27″ 15
MLUGSS320150 ±16″ 29″ 34″ 14
MLUGSS480150 ±24″ 37″ 41″ 24
MLUGSS80200 2″
(50mm)
±4″ 20″ 25″ 18
MLUGSS160200 ±8″ 23″ 30″ 19
MLUGSS320200 ±16″ 31″ 39″ 21
MLUGSS480200 ±24″ 39″ 47″ 38
MLUGSS80250 2.5″
(65mm)
±4″ 21.5″ 28″ 29
MLUGSS160250 ±8″ 25″ 34″ 31
MLUGSS320250 ±16″ 33″ 45″ 34
MLUGSS480250 ±24″ 41″ 52″ 62
MLUGSS80300 3″
(80mm)
±4″ 24″ 30″ 43
MLUGSS160300 ±8″ 27″ 37″ 45
MLUGSS320300 ±16″ 35″ 48″ 44
MLUGSS480300 ±24″ 43″ 56 87
MLUGSS80400 4″
(80mm)
±4″ 30″ 39.5″ 60
MLUGSS160400 ±8″ 31.5″ 49″ 64
MLUGSS320400 ±16″ 40″ 63″ 70
MLUGSS480400 ±24″ 47.5″ 74″ 119
MLUGSS80500 5″
(125mm)
±4″ 36″ 40.5″ 99
MLUGSS160500 ±8″ 36″ 49.5″ 105
MLUGSS320500 ±16″ 44″ 62″ 107
MLUGSS480500 ±24″ 51.5″ 72″ 195
MLUGSS80600 6″
(150mm)
±4″ 42″ 49″ 150
MLUGSS160600 ±8″ 42″ 59.5″ 160
MLUGSS320600 ±16″ 48″ 74-1/2″ 157
MLUGSS480600 ±24″ 55-1/2″ 86-1/2″ 290
MLUGSS80800 8″
(200mm)
±4″ 56″ 58″ 175 PSI 286
MLUGSS160800 ±8″ 56″ 70″ 297
MLUGSS320800 ±16″ 58″ 78″ 293
MLUGSS480800 ±24″ 65.5″ 99″ 500
MLUGSS81000 10″
(250mm)
±4″ 68″ 64″ 450
MLUGSS161000 ±8″ 68″ 74.5″ 485
MLUGSS321000 ±16″ 68″ 90″ 534
MLUGSS481000 ±24″ 74″ 102″ 596
MLUGSS81200 12″
(300mm)
±4″ 80″ 73″ 665
MLUGSS161200 ±8″ 80″ 84.5″ 675
MLUGSS321200 ±16″ 80″ 102″ 732
MLUGSS481200 ±24″ 84″ 115″ 800