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AGA XQ9802

ANSI B109.4 - 1998 for Self-Operated Diaphragm Type Natural Gas Service Regulators

A basic standard for the safe and reliable operation, and the substantial and durable construction of self-operated diaphragm type natural gas service regulators, for nominal pipe size of 1-1/4 inches and smaller with outlet pressure of 14 inch water column or less.

American Gas Association [aga]

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