

R305 Enhanced Integral Manifold
SKU: R305
Enhanced Integral Manifold with the Pressure-Lock valve and two-piece stem design — exclusive to the R305/R306 lines. 2-, 3-, or 5-valve Coplanar mount that bolts directly to a 3051C, 2051C, or 3051S transmitter. 316/316L SST body only with ½-14 NPT female process connections; PTFE or graphite packing; optional NACE-compliant wetted materials and P2 cleaning for special services.
Contact us for pricing on this product.
Enhanced Integral Manifold with the Pressure-Lock valve and two-piece stem design — exclusive to the R305/R306 lines. 2-, 3-, or 5-valve Coplanar mount that bolts directly to a 3051C, 2051C, or 3051S transmitter. 316/316L SST body only with ½-14 NPT female process connections; PTFE or graphite packing; optional NACE-compliant wetted materials and P2 cleaning for special services.
The Rosemount R305 Enhanced Integral Manifold R305 is manufactured by Rosemount. Valley Instrument Service is an authorized Rosemount dealer offering full sales support, NIST-traceable calibration, and expert technical assistance.
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Contact Us or Call (661) 327-8681Configure Your Rosemount R305 Enhanced Integral Manifold
Enhanced integral manifold for Rosemount 3051C transmitters with improved seal materials and tightening characteristics versus the 0305. Same 2- or 3-valve configurations and Coplanar / traditional flange options.
Required Specifications
4 of 4 selected- Design Class:
- EEnhanced
- Manifold Style:
- CCoplanar
- Manifold Type:
- 22-Valve
- Packing Material:
- 1PTFE
Rosemount is configurator-heavy and quote-only. Valley Instrument verifies option compatibility, lead time, and pricing before confirming your order.
Related Products

304 Conventional Manifold
2-, 3-, or 5-valve conventional manifold for inline mounting between the process and the transmitter. Traditional or wafer style, 316 SST / Alloy 400 / CS body. Configured to assemble factory-direct to a 2051 or 3051 transmitter (selected via S6 / A12 / A22 process connection on the transmitter).

305 Integral Manifold
2-, 3-, or 5-valve integral manifold that bolts factory-direct to the Coplanar transmitter flange (3051C, 2051C, or 3051S). 316 SST or Alloy C-276 body with PTFE or graphite-based packing. Selected via the S5 process-connection code on the host transmitter. Pairs with the R305 Enhanced (Pressure-Lock) variant for sites that need the rebuildable valve seat.

306 In-Line Manifold
Traditional in-line integral manifold that screws factory-direct to an in-line pressure transmitter (3051T / 3051HT / 2051T) or pressure gauge via NPT threads. Block-and-bleed, two-valve, or ASME B31-compliant two-valve configurations. 316 SST workhorse plus Alloy C-276 / Alloy 400 / Alloy 625 / Super Duplex SST options for aggressive service. Pairs with the R306 Enhanced (Pressure-Lock) variant for sites that need a rebuildable valve seat.

R306 Enhanced In-Line Manifold
Enhanced in-line manifold with the Pressure-Lock valve and two-piece stem design — exclusive to the R305/R306 lines. Screws factory-direct to an in-line pressure transmitter (3051T / 3051HT / 2051T) or pressure gauge via NPT threads. Block-and-bleed or two-valve configurations. 316 SST body only with ½-14 or ¾-14 NPT process connections; PTFE or graphite packing.
