SmartLine Manifolds Honeywell SmartLine Manifolds are a perfect compliment to SmartLine Pressure transmitters to provide factory tested, calibrated and certified equipment for accurate, reliable and safe measurement in process applications. • Available for entire range of SmartLine Pressure Transmitters. • Block and Bleed models for in-line transmitters. • 2, 3 and 5-valve manifold configurations for dual head AP, GP and DP transmitters. • Wide and compact body styles. •