Koflo PVC Injection Quill Rebuild Kits – Check Valve Replacement Kit with Hastelloy Spring & Ceramic Ball

Restore Injection Quill Performance with Reliable Check Valve Rebuild Kits

The Koflo PVC Injection Quill Rebuild Kits provide a complete solution for servicing or upgrading the internal check valve assembly in Koflo PVC chemical injection quills. Designed for use with both fixed and retractable quill assemblies, these kits help restore proper flow control, prevent backflow, and maintain accurate chemical injection performance.

Each kit includes the critical internal components required to rebuild or install a check valve, including a Hastelloy® spring, ceramic check ball, retention washer, and check valve seat plug. These high-performance materials are selected for their durability and resistance to corrosion in chemical dosing applications.

In addition to maintenance, these kits can be used to retrofit injection quills that were originally supplied without a check valve, adding an extra layer of system protection.

Note: O-rings are sold separately and must be ordered as needed.

Key Features

• Compatible with Koflo PVC injection quills
• Works with both fixed and retractable quill assemblies
• Complete internal check valve rebuild kit
• Includes:
  • Hastelloy® spring for corrosion resistance
  • Ceramic check ball for durability and sealing performance
  • Check valve retention washer
  • Check valve seat plug
• Helps prevent backflow and maintain injection accuracy
• Can be used to add a check valve to non-check quills
• Ideal for chemical dosing, water treatment, and industrial injection systems

Frequently Asked Questions (FAQs)

What does this rebuild kit include?

Each kit includes:

• Hastelloy® spring
• Ceramic check ball
• Check valve retention washer
• Check valve seat plug

Are O-rings included in the kit?

No. O-rings are sold separately and must be ordered if replacement is required.

Can this kit be used on all Koflo injection quills?

It is designed specifically for Koflo PVC injection quills, including both fixed and retractable models.

What is the purpose of the check valve?

The check valve helps prevent backflow, ensuring chemicals are injected in the correct direction and protecting upstream equipment.

Can this kit be used to add a check valve to a quill that doesn’t have one?

Yes. This kit can be used to retrofit a check valve into compatible quills that were originally supplied without one.

Why are Hastelloy and ceramic used in this kit?

• Hastelloy® provides excellent corrosion resistance in harsh chemical environments
• Ceramic check balls offer durability and reliable sealing performance

What applications are these kits typically used in?

Common applications include:

• Chemical dosing systems
• Water and wastewater treatment
• Industrial process injection systems

When should a rebuild kit be used?

A rebuild kit should be used when:

• The check valve is worn or leaking
• Backflow is occurring
• Preventative maintenance is required