Wilkins RK18-860XL | Test Cock 4-Pack Kit, 1/8" MNPT x 1/4" FNPT
Wilkins RK18-860XL | Test Cock 4-Pack Kit, 1/8" MNPT x 1/4" FNPT is backordered and will ship as soon as it is back in stock.
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Wilkins RK18-860XL | Test Cock 4-Pack Kit, 1/8" MNPT x 1/4&quo...
The Wilkins RK18-860XL is a 4-pack kit of resilient seated ball type test cocks designed for installation on backflow preventers to allow differential pressure gauge attachment for annual testing and maintenance.
Key Specifications:
- Connection Type: 1/8" MNPT x 1/4" FNPT
- Maximum Pressure: 300 PSI WOG
- Maximum Temperature: 180°F
- Notable Certifications: NSF/ANSI 372
- Thread Standard: ANSI B1.20.1
Other Related Variants:
- RK14-860XL: 1/4" MNPT connection version
- RK18-860XLFT: 1/8" MNPT with SAE flare fitting
- RK14-860XLFT: 1/4" MNPT with SAE flare fitting
Materials:
- Body: Low Lead Cast Bronze ASTM B584
- Ball: Low Lead Chrome-Plated Brass
- Seat and Packing: Teflon
Typical Installation:
Installed on backflow preventers at test ports for attaching differential pressure gauges during annual testing and maintenance procedures. Test cocks are threaded into test ports on devices such as the Wilkins 350XL and similar backflow prevention assemblies, positioned between 12 inches minimum and 30 inches maximum from the floor for indoor installations.
Standards Compliance:
NSF/ANSI 372 (0.25% Maximum Weighted Average Lead Content); Certified by IAPMO R&T
Features & Benefits:
- Low Lead Compliance: Each test cock in the Zurn RK18-860XL kit is certified to NSF/ANSI 372 for safe potable water applications.
- Resilient Ball Design: Chrome-plated brass ball with Teflon seat and packing ensures reliable sealing and smooth operation for repeated testing cycles.
- High Pressure Rating: Rated for 300 PSI WOG and temperatures up to 180°F, suitable for demanding commercial and industrial backflow prevention systems.
- Complete Accessory Kit: Four test cocks per kit provide convenient replacement or installation solution for multiple test ports on backflow preventers.
FAQ
Q: What backflow preventers is the Wilkins RK18-860XL compatible with?
A: The RK18-860XL is designed for backflow preventers with 1/4" FNPT test port openings, including the Wilkins 350XL and other models requiring 1/8" MNPT test cocks.
Q: How many test cocks are included in the RK18-860XL kit?
A: The kit contains four individual 1/8" MNPT x 1/4" FNPT test cocks, providing complete coverage for a typical four-port backflow preventer assembly.
Q: Can I use these test cocks with a differential pressure gauge test kit?
A: Yes, these test cocks are specifically designed to allow attachment of differential pressure gauges for annual backflow preventer testing and maintenance. For fast connection with test kit hoses, consider the RK18-860XLFT variant with SAE flare fittings.
NOTICE: Do not use with water that is unsafe or of unknown quality without adequate disinfection either before or after the system.
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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.
