Dixon
HYC-RKE250 - HYC-Series Y-Ball Check Valve Repair and Seal Kit
- SKU:
- HYC-RKE250
- Availability:
- Usually Ships Same Day
- Weight:
- 0.21 LBS
Description
Dixon HYC-RKE250 HYC-Series Y-Ball Check Valve Complete Repair Kit - 2-1/2"
Dixon HYC-RKE250 is a complete EPDM/PTFE repair kit designed for servicing compatible 2-1/2" Dixon HYC-Series Y-Ball Check Valves.
This replacement repair kit provides the primary internal wear and sealing components used when rebuilding a compatible HYC-Series valve. The kit includes an EPDM cap gasket, PTFE ball, and EPDM/CF8M seat, making it a more complete service option than the seal-only kit when the valve ball also requires replacement.
Product Highlights
- Genuine Dixon HYC-Series complete repair kit
- Manufacturer part number HYC-RKE250
- Designed for compatible 2-1/2" HYC-Series Y-Ball Check Valves
- EPDM sealing components
- PTFE replacement ball
- Includes one EPDM cap gasket
- Includes one PTFE ball
- Includes one EPDM/CF8M seat
- Complete repair-kit configuration
- Designed for replacement of major internal wear and sealing components
- Suitable for scheduled valve maintenance and rebuilds
- HYC-Series valves are designed to help prevent backflow in sanitary process systems
Technical Specifications
| Brand | Dixon |
|---|---|
| Manufacturer Part Number | HYC-RKE250 |
| Product Type | Y-Ball Check Valve Complete Repair Kit |
| Valve Series | HYC-Series |
| Valve Size | 2-1/2" |
| Repair Kit Type | Complete Repair Kit |
| Elastomer Material | EPDM |
| Ball Material | PTFE |
| Seat Construction | EPDM / CF8M |
| Cap Gasket Material | EPDM |
| Replacement Ball Included | Yes - PTFE |
| Application | Maintenance and repair of compatible Dixon HYC-Series Y-Ball Check Valves |
| Typical Market | Food & Beverage / Pharmaceutical |
Complete Repair Kit Contents
EPDM Cap Gasket
- Quantity: 1
- EPDM elastomer construction
- Replacement sealing component for the valve cap assembly
- Designed for compatible 2-1/2" HYC-Series valves
PTFE Ball
- Quantity: 1
- PTFE construction
- Primary moving check component
- Replaces the existing valve ball during a complete rebuild
EPDM / CF8M Seat
- Quantity: 1
- EPDM sealing material
- CF8M stainless steel seat component
- Provides the mating sealing surface for the PTFE ball
Complete HYC-Series Valve Repair
The HYC-RKE250 is intended for more comprehensive servicing of a compatible 2-1/2" Dixon HYC-Series Y-Ball Check Valve. Unlike a seal-only kit, this complete repair kit replaces the valve ball in addition to the cap gasket and seat.
Replacing these primary internal wear components can be appropriate during scheduled maintenance, when leakage is detected, when the valve has been disassembled for inspection, or when the condition of the existing ball and sealing components indicates replacement is required.
The valve body and other components are not part of the HYC-RKE250 repair kit. Inspect the complete valve during service and replace or repair other components as required.
Complete Repair Kit vs. Seal Kit
HYC-RKE250 Complete Repair Kit
- EPDM cap gasket
- PTFE replacement ball
- EPDM/CF8M seat
- Replaces both seals and ball
- Designed for more comprehensive valve rebuilding
HYC-SKE250 Seal Kit
- EPDM cap gasket
- EPDM/CF8M seat
- Does not include a replacement ball
- Designed for seal-focused maintenance
- Useful when the existing ball remains serviceable
EPDM Seals & PTFE Ball
EPDM Sealing Components
EPDM is commonly used as a sealing material in sanitary and process systems involving compatible fluids. The HYC-RKE250 uses an EPDM cap gasket and an EPDM sealing surface in the seat assembly.
Verify EPDM compatibility with the actual process media, cleaning chemicals, concentration, temperature, and operating conditions before installation.
PTFE Replacement Ball
The kit includes a PTFE ball that serves as the moving check element within the HYC-Series valve. PTFE provides broad chemical resistance and a low-friction surface suitable for many compatible process applications.
Material suitability should still be confirmed for the specific fluid, temperature, cleaning process, and operating environment.
How the HYC-Series Y-Ball Check Valve Works
The HYC-Series Y-Ball Check Valve is designed to permit flow in the intended direction while helping prevent reverse fluid flow.
During forward flow, process fluid moves the internal ball away from the seat and into the branch of the Y-shaped valve body, opening the primary flow path.
When forward flow stops and pressure conditions change, the ball returns toward the seat. Reverse differential pressure forces the ball against the seat, creating the check-valve seal and helping prevent backflow.
Because the ball and seat directly create this sealing action, their condition is important to reliable check-valve operation.
Typical Applications
Food & Beverage Processing
- Food processing systems
- Beverage production
- Dairy processing
- Breweries
- Wineries and distilleries
Sanitary & Process Systems
- Pharmaceutical process systems
- Sanitary transfer lines
- Hygienic process piping
- Compatible process equipment
- Systems requiring prevention of reverse fluid flow
Repair Kit Selection
Correct repair-kit selection requires matching the valve size, elastomer material, and ball material to the existing HYC-Series valve and process requirements.
For a 2-1/2" HYC-Series valve requiring EPDM sealing components and a PTFE replacement ball, HYC-RKE250 is the corresponding complete repair-kit configuration.
If the existing ball remains serviceable and only the EPDM gasket and seat require replacement, HYC-SKE250 is the corresponding seal-only option.
Dixon also offers other material configurations within the HYC-Series repair-kit family. Verify the required elastomer and ball material rather than selecting a kit based on valve size alone.
Installation & Maintenance
Before servicing the valve, completely isolate the affected section of the piping system and relieve all internal pressure. Drain, clean, and decontaminate the valve as required for the process media and facility procedures.
Disassemble the HYC-Series valve according to applicable Dixon maintenance procedures. Remove the existing cap gasket, ball, and seat, then inspect the valve body and remaining components for wear, corrosion, contamination, product buildup, or physical damage.
Install the new EPDM cap gasket, PTFE ball, and EPDM/CF8M seat in their proper locations and orientation. Protect sealing surfaces from scratches, contamination, cutting, twisting, or deformation during installation.
Reassemble the valve according to the manufacturer's procedures. Confirm that the ball moves correctly and that all components are properly positioned before returning the valve to service.
After installation, verify correct check-valve operation and inspect the assembly for leakage under appropriate system conditions.

Our team can help confirm your HYC-Series valve size, seal material, ball material, and whether you need a seal kit, complete repair kit, or replacement ball.
Email the GetPipe.com Team Visit Quick SupportFrequently Asked Questions
What valve size does Dixon HYC-RKE250 fit?
HYC-RKE250 is the complete EPDM/PTFE repair-kit option for compatible 2-1/2" Dixon HYC-Series Y-Ball Check Valves.
What type of repair kit is HYC-RKE250?
HYC-RKE250 is a complete repair kit containing the primary gasket, ball, and seat components used during an HYC-Series valve rebuild.
What is included in HYC-RKE250?
The kit contains one EPDM cap gasket, one PTFE ball, and one EPDM/CF8M seat.
Does HYC-RKE250 include a replacement ball?
Yes. HYC-RKE250 includes one PTFE replacement ball.
What elastomer material does HYC-RKE250 use?
The cap gasket and seat sealing material are EPDM.
What material is the replacement ball?
The replacement ball included with HYC-RKE250 is PTFE.
What is the seat construction?
Dixon identifies the included seat as EPDM/CF8M.
What is the difference between HYC-RKE250 and HYC-SKE250?
HYC-RKE250 is the complete repair kit and includes an EPDM cap gasket, PTFE ball, and EPDM/CF8M seat. HYC-SKE250 is the EPDM seal kit and contains the cap gasket and seat but does not include the ball.
Can I purchase only the PTFE replacement ball?
Yes. Dixon lists HYC-TB250 as the PTFE replacement-ball-only option for the 2-1/2" HYC-Series valve.
Is an FKM/PTFE repair kit available for the 2-1/2" valve?
Yes. Dixon lists HYC-RKV250 as the 2-1/2" complete repair kit using FKM sealing components with a PTFE ball.
When should I use a complete repair kit instead of a seal kit?
A complete repair kit is appropriate when the replacement ball is also required. If the existing ball remains serviceable and only the gasket and seat require replacement, the corresponding seal kit may be sufficient.
What does the HYC-Series Y-Ball Check Valve do?
The valve allows fluid to move in the intended direction while using its internal ball and seat to help prevent reverse fluid flow.
What should I verify before ordering HYC-RKE250?
Confirm that the valve is a compatible 2-1/2" Dixon HYC-Series Y-Ball Check Valve and that EPDM sealing components with a PTFE replacement ball are appropriate for the process media, cleaning chemicals, temperature, and operating conditions.
Important Ordering & Installation Notes
- This listing is for Dixon part number HYC-RKE250.
- Designed for compatible 2-1/2" HYC-Series Y-Ball Check Valves.
- This is a complete EPDM/PTFE repair kit.
- Kit contains one EPDM cap gasket.
- Kit contains one PTFE replacement ball.
- Kit contains one EPDM/CF8M seat.
- Confirm valve size and HYC-Series compatibility before ordering.
- Do not confuse HYC-RKE250 with the HYC-SKE250 seal-only kit.
- Verify EPDM compatibility with the process fluid and cleaning chemicals.
- Verify PTFE compatibility with the process media and operating conditions.
- Always isolate and fully depressurize the piping system before valve service.
- Drain, clean, and decontaminate the valve as required before disassembly.
- Inspect the valve body and remaining components during repair.
- Do not reuse damaged sealing components.
- Protect the new PTFE ball and seat from scratches or contamination.
- Install the gasket and seat without cutting, twisting, pinching, or deforming them.
- Follow applicable Dixon maintenance and reassembly procedures.
- Verify proper ball movement and valve operation after assembly.
- Inspect the valve for leakage before returning the system to normal service.