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Griffco Corporation Stops
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Griffco corporation stops (corp stops) are designed to ensure that chemical feed systems inject into the center of a process stream for better mixing and to prevent corrosion along the process pipe. They are also retractable and offer a ball valve to seal the process stream for servicing (when the process cannot be drained).

The integral check valve prevents the process fluid from going back up the chemical line. With limited seals and joints, this leak-free design is a sure fit for safety and long-life operation. Robust construction ensures reliability in the rigorous service of municipal and industrial applications.

Griffco Corporation Stops (Corp Stops)

Corporation Stop Features

  • Compact assembly for easier access and positioning
  • Sizes from 1/2" to 1" or DN 15 to DN 25
  • Pressures up to 150 psi (10 bar)
  • Integral check valve with Hast C Spring - Optional
  • Multiple tip configurations (duckbill, 45°, flat)
  • Seal options include EPDM and FKM (Viton®)
  • Connection options include plastic union or threaded
  • Fast and easy union disconnect for servicing
  • SS limit chains (when inserted and retract length)
  • Outer housing and valve material options include PVC, Brass, PVDF, CPVC, and 316 SS
  • Optional secondary injection port
  • Optional chemical line drain
  • Custom quill lengths
  • Lock ready design for tamper resistant safety
  • Quill stiffener option for plastic construction
  • Optional redundant quill lock

Griffco Benefits

  • High reliability at affordable price
  • Robust, machined construction
  • Wide range of wetted materials

Quill Materials

  • PVC
  • CPVC
  • PVDF

 

  • 316L SS
  • Alloy 20
  • Hastelloy® C

Ball Valve Materials

  • Metal (316L SS, Alloy 20, and other alloys)
  • Brass
  • Plastics (PVC, CPVC, PVDF, and others)

Connections

  • Plastic Union Threaded or Union Socket

Options

  • Material certifications for Metals

Corporation Stops CS - Data Sheets

TitleDescriptionDate modifiedDownload
Data Sheet CS (US) Imperial09-14-2020 Download
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