Cellar Supply Imperial Carbonation Stone Assembly – 14.5″, 1¼″ Diameter, with Sanitary Gas Check Valve

The Cellar Supply Imperial Carbonation Stone Assembly is purpose-built for large-format brite tanks from 20 bbl to 120 bbl. Featuring a 14.5″ sintered 316L stainless steel stone with a 1¼″ diameter, this assembly delivers consistent carbonation with minimal loss of flavor or aroma—even in high-capacity systems.

This complete assembly includes dual 1.5″ Tri-Clamp connections and a Sanitary Gas Check Valve, which prevents backflow into your CO₂ line and simplifies CIP cleaning. The full-length design allows deep in-tank dispersion while maintaining an easy-to-clean, thread-free interface.

All orders are shipped from our Canadian warehouse, ensuring fast and reliable delivery across North America.

Key Features

• 14.5″ sintered carbonation stone with 1¼″ diameter
• Dual 1.5″ Tri-Clamp flanges for hygienic, thread-free installation
• 2µ pore size for gentle, efficient diffusion in large tanks
• Includes second-generation check valve with ⅜″ FNPT gas inlet
• ~5 psi wetting pressure for optimal carbonation performance
• Acid CIP compatible—clean in place with appropriate safety procedures

Specifications

• Material: 316L Stainless Steel (Stone), 304 Stainless Steel (Collars & Valve)
• Stone Length: 14.5″
• Overall Length: ~16.5″ with fittings
• Diameter: 1¼″
• Connections: 1.5″ Tri-Clamp (both ends)
• Pore Size: 2µ
• Gas Inlet: ⅜″ FNPT via check valve

Looking for a smaller format? View the 12″ Carbonation Stone Assembly.
Need just the stone? Click here for the Imperial Carbonation Stone only.