Civacon | Knappco | Sure Seal

Pipe Couplers

We have a coupler that is engineered to meet your needs. A variety of styles include the Bolt Together, Easy Opening and a Durable LST coupler.

Sure Seal has developed a solution for your most common problem – coupler freeze up. The solution is the Sure Seal pipe coupler with oil impregnated bronze bushings at critical hinge points.		 Pipe Couplers
  • Features and Benefits
  • Model Numbers
  • Downloads
Aluminum Quick Release Coupler
  • Oil impregnated bronze bushings
  • Completely made from stainless steel and aluminum for superior corrosion resistance and light weight
  • With no void areas in the gasket there is no place for contamination to hide - a quick disassembly and visual inspection is all that is necessary
  • Most band clamps are rated at 10 psi, where Sure Seal couplers are rated at 50 psi

 LST Coupler

  • Clean seal gaskets are easy to install and replace
  • White gaskets are special formulated for dry bulk applications where F.D.A. approval is required
  • Black gaskets are specially formulated for petroleum products, while red gaskets are for high temp applications up to 400 degrees Fahrenheit
  • With no void areas in gasket there is no place for contamination to hide - a quick disassembly and visual inspection is all that is necessary
  • 40% lighter than comparable couplers
  • Stronger than standard aluminum couplers
  • Tougher on corrosion
Bolt Together Coupler
  • 432B   3” Aluminum Bolt-Together Coupler Black Nitrile Gasket
  • 432W  3” Aluminum Bolt-Together Coupler White Neoprene Gasket
  • 432V   3” Aluminum Bolt-Together Coupler Viton Gasket
  • 435B   4” Aluminum Bolt-Together Coupler Black Nitrile Gasket
  • 435W  4” Aluminum Bolt-Together Coupler White Neoprene Gasket
  • 435V   4” Aluminum Bolt-Together Coupler Viton Gasket
  • 634B   4” Aluminum Bolt-Together Standard Coupler Black Nitrile Gasket
  • 634W  4” Aluminum Bolt-Together Standard Coupler White Neoprene Gasket

 Aluminum Quick Release Coupler

  • 632GGB      3” Aluminum Coupler Groove to Groove Black Nitrile Gasket
  • 632GGW     3” Aluminum Coupler Groove to Groove White Neoprene Gasket
  • 632GGR      3” Aluminum Coupler Groove to Groove High Temp, Gasket
  • 632GGV      3” Aluminum Coupler Groove to Groove Viton Gasket
  • 635GGB      4” Aluminum Coupler Groove to Groove Black Nitrile Gasket
  • 635GGW     4” Aluminum Coupler Groove to Groove White Neoprene Gasket
  • 635GGR      4” Aluminum Coupler Groove to Groove High Temp, Gasket
  • 637GGB      5” Aluminum Coupler Groove to Groove Black Nitrile Gasket
  • 637GGW     5” Aluminum Coupler Groove to Groove White Neoprene Gasket
  • 637GGR      5” Aluminum Coupler Groove to Groove High Temp, Gasket
  • 639GGB      6” Aluminum Coupler Groove to Groove Black Nitrile Gasket
  • 639GGW     6” Aluminum Coupler Groove to Groove White Neoprene Gasket
  • 639GGR      6” Aluminum Coupler Groove to Groove High Temp, Gasket
  • 635GPB      4” Aluminum Coupler Groove to Plain Black Nitrile Seat
  • 635GPW     4” Aluminum Coupler Groove to Plain White Neoprene Gasket
  • 635GPR      4” Aluminum Coupler Groove to Plain High Temp. Gasket
  • 635PPB      4” Aluminum Coupler Plain to Plain Black Nitrile Gasket
  • 635PPW     4” Aluminum Coupler Plain to Plain White Neoprene Gasket

 

LST Couplers

  • LST735GGW   4”Plastic Coupler w/Stainless Steel Hardware Groove to Groove
  • LST735GPW   4” Plastic Coupler w/Stainless Steel Hardware Groove to Plain
  • LST735PPW   4” Plastic Coupler w/Stainless Steel Hardware Plain To Plain
  • Coupler Brochures
  • Coupler Parts Breakdown
  • Coupler IOM