Corporation Stop with AWWA thread and with chemical injection quill for pressurized lines, sizes 1/2" to 1", PVC with lead free brass ball valve

Corporation Stop with injection quill are commonly used to inject chemicals pumped by metering pumps into tanks or headers. Popular chemicals where these corporation stop valves are boiler chemicals and cooling water chemicals, and other water process systems.

Popular chemicals where these corporation stop valves are boiler chemicals and water process chemicals. Available in SS316, brass, Kynar, Alloy C20 with and without lead free brass ball valve.

The injection quill extends into the center of the water stream providing more uniform dispersion of injection chemical. Corporation Stop Valve Products can be mounted to a “hot tap” which is installed without having to drain the system. Corporation Stop is ideal for systems that never shut down, since they can be inserted or removed without having to shut down the system. Corporation stop is different than a chemical injection quill.

For PVC Corporation Stop with AWWA Thread – Add AWWA to the end of the part number (example: CS-075-PVC-AWWA)

For PVC Corporation Stops with AWWA Threads – Add AWWA to the end of the part number (example: CS-075-PVC-AWWA)

• Every Corporation Stop comes with a protection chain to prevent the injection quill from being completely withdrawn before the corporation stop is closed.  This is a safety feature to protect against back pressure.
• Operating pressures to 150 psi.
• Corporation Stop quills are available in:
  • Corrosion-resistant CPVC (P/N example: CS-075-PVC).
• Standard insertion lengths for the quill on 1/2″ and 3/4″ corporation stops is 8 1/2″ and on 1″ it is 7 5/8″
  • Longer lengths  up to 24″ are available
• Corporation Stop valves are available with ¾” or 1” process connections.
• Corporation Stop valves and fittings are available in:
  • Type 316 Stainless Steel (P/N example: CS-075-PVC-SS).
  • Brass (P/N example: CS-075-PVC).
  • Lead Free Brass (P/N example: CS-075-PVC-LF).
• The quill connection on all  corporation stops is ½” FNPT.
• Yamatho carries three (3) different check valves as options to their corporation stops:
  • 1/2″ PVC True Union Check Valve with viton seals – P/N: CV050PVC
  • 1/2″ CPVC True Union Check Valve with viton seals – P/N: CV050CPVC
  • 1/2″ type 316 Stainless Steel Check Valve with viton seals – P/N: CV050SS
• Made in the USA.