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Corporation Stops

Corporation Stops / Chemical Injection Quills

Information & Features
  • Hydro Instruments utilizes no-lead brass corporation ball valves certified to the requirements of NSF/ANSI 61 Annex F and G, and NSF/ANSI 372. – For PVC and CPVC corporation stops / chemical injection quills, all other wetted materials are plastic.
  • Standard solution-wetted materials include PVC, CPVC. PVDF Kynar and 316 SS are available in limited sizes.
  • Hydro Instruments offers customized solution tube lengths and inlet connections (upon request).
  • For more information check the Product Downloads at the bottom of this page.
Product Downloads

Sizes & Materials Offered

3/4″ Corporation Stops (CS-075-PVC)

  • 3/4″ Corporation Stops
  • No-lead brass corporation stop valve
  • Various Connections & Diffuser Penetration Lengths Available
  • 3/8″ Schedule 80 Solution Injection Tube
  • Also Available in CPVC

1″ Corporation Stops (CS-111-PVC)

  • Solution wetted Parts PVC (Schedule 80)
  • No-lead brass corporation stop valve
  • Various Connections & Diffuser Penetration Lengths Available
  • 1/2″ Schedule 80 Solution Injection Tube
  • Also Available in CPVC, Stainless Steel, Kynar (PVDF) or Teflon (PTFE)

1-1/2″ Corporation Stops (CS-113-PVC)

  • Solution wetted Parts PVC (Schedule 80)
  • No-lead brass corporation stop valve
  • Various Connections & Diffuser Penetration Lengths Available
  • 1″ Schedule 80 Solution Injection Tube
  • Also Available in CPVC & Stainless Steel

2″ Corporation Stops (CS-479-PVC)

  • Solution wetted Parts PVC (Schedule 80)
  • No-lead brass corporation stop valve
  • Various Connections & Diffuser Penetration Lengths Available
  • 1-1/2″ Schedule 80 Solution Injection Tube
  • Also Available in CPVC

1″ CPVC Corporation Stop (CS-111-CPVC)

  • Solution wetted Parts CPVC (Schedule 80)
  • No-lead brass corporation stop valve
  • Various Connections & Diffuser Penetration Lengths Available
  • Available in 3/4″, 1″, 1-1/2″ or 2″ Sizes

1″ Stainless Steel Corp Stop (CS-111-SS)

  • Solution wetted Parts Stainless Steel
  • No-lead brass corporation stop valve
  • Various Diffuser Penetration Lengths Available
  • Available in 1″ or 1-1/2″ Sizes

1/2″ Non-Metallic Corp Stops (CSP-050-PVC)

  • All-Plastic Design
  • Available in PVC or CPVC
  • Ring & Capture Nut are PVDF (Kynar)
  • Available in 1/2″, 3/4″, 1″, 1-1/4″ & 1-1/2″ Sizes

3/4″ Non-Metallic Corp Stops (CSP-075-PVC)

  • All-Plastic Design
  • Available in PVC or CPVC
  • Ring, Sleeve & Capture Nut are PVDF (Kynar)
  • Available in 1/2″, 3/4″, 1″, 1-1/4″ & 1-1/2″ Size

1″ Non-Metallic Corp Stop (CSP-111-PVC)

  • All-Plastic Design
  • Available in PVC, CPVC, Kynar (PVDF) or Teflon (PTFE)
  • Ring, Sleeve & Capture Nut are PVDF (Kynar)
  • Available in 1/2″, 3/4″, 1″, 1-1/4″ & 1-1/2″ Sizes

1-1/4″ Non-Metallic Corp Stop (CSP-125-PVC)

  • All-Plastic Design
  • Available in PVC or CPVC
  • Ring, Sleeve & Capture Nut are PVDF (Kynar)
  • Available in 1/2″, 3/4″, 1″, 1-1/4″ & 1-1/2″ Size

1-1/2″ Non-Metallic Corp Stop (CSP-113-PVC)

  • All-Plastic Design
  • Available in PVC or CPVC
  • Ring, Sleeve & Capture Nut are PVDF (Kynar)
  • Available in 1/2″, 3/4″, 1″, 1-1/4″ & 1-1/2″ Sizes