740 Series Oral Tube HALKEY I ROBERTS®740 Series Oral Tube General Characteristics • Designed for applications requiring a durable connection to either a film or a coated fabric • Large oval sealing flange maximizes bonding strength • High flow for easy top off and oral inflation • Smooth radius allows maximum flow while protecting the life vest fabric integrity • Available in polyurethane • Available in three lengths: o 4.31 inches (10.95 cm) o 5.53 inches (14.05 cm) o 6.75 inches (17.1 cm) • Approvals: o UL 1191 recognized for PFD’s o Meets Cen/ISO 12402-7 standard o HRC certified to TSO-C13 FAA Performance Characteristics • Opening pressure (crack) - 0.44 psi max • Flow rate - Minimum 100 lpm at 1 psig • Functions at temperature ranges of 32°F to 120°F • Storage temperature range -22°F to 158°F • Pull out force (per UL 1191) - 100 lb 740 Oral Tube with Cap Part Numbers • 740ROLS43 - 4.31 inches • 740ROLSxxC4 - with Cap • 740ROLSxxBK - Black Tool Numbers • D747N - Sealing Die Materials • Polyether Urethane • Acetal • Silicon • Stainless steel • Aluminum Quality Criteria • 100% tested for crack pressure Service Instructions Packaging and Shipping • See IFU 740-1 Rev. B • Box size: 10 inch x 15 inch x 11 inch • Parts per box: 200/250 (tube length variance) • Minimum shipping: one box