Rosemount R305 and R306 pressure transmitter manifolds

Wednesday, 15 May, 2019 | Supplied by: Emerson Automation Solutions


Emerson has introduced a range of manifolds for its Rosemount pressure transmitters. Manifolds shut off or equalise pressure at the transmitter, and also provide the critical mounting mechanisms required in many installations. The Rosemount R305 integral manifolds and Rosemount R306 inline manifolds have been designed to offer significant user improvements on these basic functions.

The most important improvement for both manifolds is the Pressure-Lock Valve design, which simplifies high-pressure operation, increases safety and enhances reliability. With the new design, the two-piece stem does not rotate in the seat, providing solid closure with minimal wear. The devices are easier to turn while delivering positive shut-off, and the adjustable packing nut simplifies valve maintenance.

In addition, the back seating has been designed to prevent blowouts, and the stem and bonnet threads are fully isolated from the process fluid. Modular packing ensures only the stem and body are exposed to the process fluid, and larger internal passages enhance reliability.

The R305 is designed for both differential or gauge pressure applications and mounts directly to any Rosemount coplanar transmitter. This reduces the number of potential leak points by 50% compared with traditional bi-planar transmitter setups. Two-, three- and five-valve configurations are available.

The R306 is designed for inline pressure transmitters for gauge or absolute pressure applications. When a Rosemount R305 or R306 is selected with a transmitter, the components are fully assembled and high-pressure leak tested at the factory, allowing the transmitter to be installed right out of the box.

Online: www.emerson.com/au/automation
Phone: 03 9721 0200
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