Wilkins 4-FP23R | Rigid Angle Pad Groove Coupling, 4 Inches
Wilkins 4-FP23R | Rigid Angle Pad Groove Coupling, 4 Inches is backordered and will ship as soon as it is back in stock.
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Please note that shipping rates are subject to change at any time. We reserve the right to charge an additional fee in addition to the regularly advertised shipping fee for shipping to remote areas not easily accessible by typical freight carrier means (i.e. islands only accessible by ferry). If your order falls into this category, you will be notified upon receipt of your order, and have the option to complete the purchase with additional fee or to cancel the order. Please note, these instances are very rare, as most locations are reachable by regular freight. If you have any questions, please contact us!
Key Terms & Conditions
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NOTICE: Product images may vary from the actual item due to differences in size or configuration options.
The Wilkins 4-FP23R delivers a rigid, inflexible joint for grooved pipe systems requiring flanged-like connection strength.
Key Specifications:
| Size | 4 Inches |
| Maximum Pressure Rating | 300 PSI |
| Gasket Type | Pre-lubricated EPDM Gasket |
| Notable Certifications | UL Listed; C-UL Listed; FM Approved |
| Connection Type | Grooved End Connection |
Other Related Variants:
- 112-FP23R: 1 1/2 Inches size configuration
Materials:
- Ductile Iron Casting (ASTM A536 65-45-12)
- EPDM Gasket, Pre-lubricated, Pressure Responsive
- Grade 5 Bolts & Nuts
Typical Installation:
Used to join grooved pipe, fittings, valves, and accessories in fixed piping systems requiring rigid connections comparable to flanged, welded, or threaded joints, preventing angular and axial deflection.
Standards Compliance:
UL Listed; C-UL Listed; FM Approved
Features & Benefits:
- Rigid Joint Design: Provides a sturdy, inflexible connection comparable to flanged, welded, or threaded joints.
- Durable Construction: Ductile iron casting ensures long-term structural integrity under pressure.
- Reliable Sealing: Pre-lubricated, pressure-responsive EPDM gasket maintains a secure seal over time.
- Alignment Stability: Eliminates angular and axial deflection to keep piping systems properly aligned.
FAQ
Q: What sizes are available for the Zurn 4-FP23R coupling?
A: The Zurn 4-FP23R Series is available in sizes ranging from 1-1/4" to 12", including the 4 Inches model and the 112-FP23R (1 1/2") variant.
Q: What is the maximum pressure rating for this coupling?
A: The Wilkins 4-FP23R is rated for a maximum working pressure of 300 PSI.
Q: What certifications does this product hold?
A: The 4-FP23R is UL Listed, C-UL Listed, and FM Approved.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
"Hydrate Everyone, Everywhere!" BottleFillingStations.com | Contact us
Always consult with a licensed professional and check local codes before installation. For further details, check the Owners Manual.
Contact us at support@bottlefillingstations.com with any questions.

