Subpart 56.20. Subpart 56.20—Valves

• § 56.20-1 - General.
• § 56.20-5 - Marking (modifies 107.2).
• § 56.20-7 - Ends.
• § 56.20-9 - Valve construction.
• § 56.20-15 - Valves employing resilient material.
• § 56.20-20 - Valve bypasses.