The Smith Meter^® Models RB and UB Release Heads are used in combination with Smith Meter^® Air Eliminators or with strainers to release air or gas from petroleum liquids before they pass through the meter.

• Vent Connections - Vent connection is .750-14 NPT

• Product Specific Gravity

Model RB - 0.50 minim

Model UB (300 PSIG MAWP) - 0.52 mimimum

Model UB (720 PSIG MAWP) - 0.57 minimum

• Maximum Working Pressure

Model RB - 300 PSIG @ 100°F

Model UB - 300 PSIG @ 100°F

Model UB (Standard) - 720 PSIG @ 100°F

• Temperature

Buna-N Seals: -20 to 225°F (-29 to 107°C)

Viton Seals: 10 to 400°F (-12 to 204°C)

Chemraz Seals: -20 to 500°F (-29 to 260°C)