Rosemount 0305, 0304 Specifications
Rosemount™ Manifold Solutions
Product Data Sheet
January 2019
00813-0100-4733, Rev RA
Factory assembled, leak-tested, and calibrated
Full breadth offering including integral, in-line, and conventional styles
Integral design enables “flangeless” connection to instrument reducing weight, space, and leak points
Block-and-bleed, 2-, 3-, and 5-valve configurations
Compact, lightweight design
Easy in-process calibration
Direct-mount capability
Available in NACE
Available with Pressure-Lock
®
-compliant materials of construction
™
Valve
Rosemount Manifolds
Rosemount
R305 three-valve manifold
Rosemount 3051S assembled
to R305 five-valve manifold
Rosemount R306 two-valve
manifold
Rosemount 3051S assembled
to 306 two-valve manifold
Selection guide
Rosemount 305 Coplanar Style
Standard features
Assembled directly to transmitter, eliminating the need for flange
Factory leak tested and calibrated
Two, three, and five-valve configurations
Available with female NPT process connections
No exposed bolt configuration enhances reliability
50 percent fewer leak points than conventional transmitter to flange to manifold interface
Special cleaning options available
Rosemount 305 available with five-valve natural gas metering pattern
Rosemount R305 exclusive features
Pressure-Lock Valve with two-piece stem design
Large internal process bore to resist plugging
January 2019
Rosemount 306 In-line Style
(1)
Standard features
Assembled directly to transmitter or Rosemount Pressure Gauge
Factory leak tested and calibrated
Block-and-bleed and two-valve configurations
Available with female NPT process connections
Special cleaning options available
(1)
Rosemount R306 exclusive features
Pressure-Lock Valve with two-piece stem design
Large internal process bore to resist plugging
1. Rosemount R306 manifold only available with two-valve configuration.
2
Emerson.com/Rosemount
January 2019
Rosemount 304
three-valve conventional
manifold
Rosemount 304 conventional
manifold - wafer style
Rosemount 304 Conventional Style
Standard features
Attaches to transmitter flange
Two, three, and five-valve configuration
Traditional (flange x flange, flange x NPT) and wafer styles
Available with five-valve natural gas metering pattern
Factory assembled, seal-tested, and calibrated
Rosemount Manifolds
Rosemount Pressure-Lock Valve
Exclusively featured on the Rosemount R305 and R306 manifolds
Pressure-Lock Valve, reference detailed design on page 27
Simplified operation
Two-piece valve stem design provides easier handle turn operation
Increased operator safety
Needle tip safety back seating ensures operator safety during process blowout events
Enhanced reliability
Process isolated stem threads increase overall valve life
Contents
Valve configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Ordering information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Emerson.com/Rosemount
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .18
Dimensional drawings . . . . . . . . . . . . . . . . . . . . . . . . . . . .28
3
Rosemount Manifolds
Isolate
Transmitter
Bleed screw
Process
Transmitter
Vent
Isolate
Process
Transmitter
Equalize
Process
IsolateIsolate
Valve configuration
January 2019
Block-and-bleed
The block-and-bleed configuration is available on the
Rosemount R306/306 Manifolds for use with in-line gage and
absolute pressure transmitters. A single isolate valve provides
instrument isolation and a bleed screw provides drain/vent
capabilities.
Rosemount 306 Manifold
Two-valve
The two valve configuration is available on Rosemount
R305/305, R306/306, and 304 Manifolds for use with absolute
and gage pressure transmitters. An isolate valve provides
instrument isolation and a drain/vent valve allows venting,
draining, or calibration.
Rosemount R305/305 and R306/306 Manifolds
Three-valve
The three valve configuration is available on Rosemount
R305/305 and 304 Manifolds for use with differential pressure
and multi-variable transmitters. Two isolate valves provide
instrument isolation, and one equalize valve is positioned
between the high and low process connections.
Rosemount R305/305 Manifolds
Transmitter
Drain/vent
Equalize
Isolate
Process
Rosemount 304 (traditional) Manifold
Transmitter
(plugged)
Equalize
Drain/vent
Isolate
(plugged)
Rosemount 304 Manifold
Transmitter
Isolate
Process
Isolate
Process
Isolate
Rosemount 304 (wafer) Manifold
Vent(plugged)
Note
Vent ports receive plastic caps to protect threaded connections
unless otherwise noted.
Note
Plugged connections receive
noted.
1
/4-in. NPT plugs unless otherwise
4
Emerson.com/Rosemount
January 2019
Transmitter
Vent
Vent
Equalize
Process
IsolateIsolate
Transmitter
Equalize
Process
Equalize
Process
IsolateIsolate
(plugged)(plugged)
Vent
(closed)
Rosemount Manifolds
Five-valve
The five valve configuration is available on Rosemount R305/305
and 304 Manifolds for use with differential pressure and
multi-variable transmitters. Two isolate valves provide
instrument isolation and one equalize valve is positioned
between the high and low process connections. In addition, two
drain/vent valves allow for controlled venting, 100 percent
capture of vented or drained process, and simplified in-process
calibration capability.
Rosemount R305/305 Manifolds and 304 (wafer)
Five-valve natural gas
The five valve natural gas configuration is available on the
Rosemount 305 and 304 Manifolds for use with differential
pressure and multi-variable transmitters. Two isolate valves
provide instrument isolation and a single drain/vent valve allows
for controlled venting, 100 percent capture of vented or drained
process, and simplified in-process calibration capability. In
addition, two equalize valves provide extra protection from
leaking to ensure DP signal integrity.
“NG” option includes wide handle pattern and soft seats for
ease of use as well as a larger bore to reduce plugging
Ordering information
Rosemount Manifolds can be ordered as a stand-alone product
or as an integrated assembly attached to a transmitter.
Stand-alone manifold
1. Reference the “Selection guide” on page 2 for assistance
on choosing the type of manifold.
2. Specify a completed model number by referencing the
applicable ordering table for the selected manifold type:
Rosemount 305 Integral Manifold, see page 6.
Rosemount 306 In-line Manifold, see page 11.
Rosemount 304 Conventional Manifold, see page 15.
Transmitter/manifold assembly
1. Specify a completed Rosemount transmitter model
number by referencing the applicable product data sheet.
2. Specify a completed manifold model number by
referencing the applicable ordering table for the selected
manifold type:
Rosemount 305 Integral Manifold, see page 6.
Rosemount 306 In-line Manifold, see page 11
Rosemount 304 Conventional Manifold, see page 15.
3. Verify the transmitter model number contains the correct
“Process Connection” code or “Manifold Option” code for
the desired transmitter manifold assembly (see Tabl e 1).
Table 1. Ordering Codes for a Transmitter/Manifold
Assembly
Rosemount 305 Manifolds and 304 (traditional)
Note
Vent ports receive plastic caps to protect threaded connections
unless otherwise noted.
Note
Plugged connections receive 1/4-in. NPT plugs unless otherwise
noted.
Emerson.com/Rosemount
Tra ns mit te r
Rosemount
3051S
Rosemount
3051/2051
Rosemount
2088
Manifold
R305/305 A11 N/A
R306/306 A11 N/A
304 A12 N/A
R305/305 N/A S5
R306/306 N/A S5
304 N/A S6
R305/305 N/A N/A
R306/306 N/A S5
304 N/A N/A
Process
connection code
“Manifold”
option code
5
Rosemount Manifolds
January 2019
Rosemount 305 Coplanar Manifolds
Rosemount Coplanar manifolds provide a leak checked and pressure tested single point solution
when assembled to Rosemount pressure transmitters. The coplanar platform reduces potential leak
paths by 50 percent over conventional style process connections while also reducing overall
connection system weight.
Specification and selection of product materials, options, or components must be made by the
purchaser of the equipment. See page 18 for more information on material selection.
Table 2. Rosemount R305 Integral Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Model Product description
R305 Integral manifold
Design class
E Enhanced ★
Manifold style
C Coplanar ★
Manifold type
2 Two valve ★
3 Three valve ★
5 Five valve ★
(1)
Body
2 316 stainless steel (SST) 316 SST 316 SST 316 SST ★
Bonnet Stem and tip Drain/vent
Process connection
B
1
/2–14 NPT female ★
Packing material
(2)
1
(3)
2
PTFE ★
Graphite-based
Valve seat
1 Integral ★
Extended product warranty
WR3 3-year limited product warranty
WR5 5-year limited product warranty
Mounting bracket
B4 316 SST mounting bracket for 2-in. pipe mount with series 300 SST bolts
BE 316 SST bracket for 2-in pipe mount with 316 SST bolts
BF Carbon steel (CS) panel mount bracket
BG 316 Series SST panel mount bracket
6
Emerson.com/Rosemount
January 2019
Rosemount Manifolds
Table 2. Rosemount R305 Integral Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Bolting Materials
L4
Austenitic 316 SST bolts
L5 ASTM A 193 B7M bolts
L8 ASTM A 193,Class 2, Grade B8M bolts
Cleaning
P2
Material recommendation for NACE
SG
(4)
Cleaning for special services
(5)
Sour gas (meets NACE MR 0175/ISO 15156, MR 0103)
NACE Certificate
Q15 Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials ★
Q25 Certificate of Compliance to NACE MR0103 for wetted materials ★
Additional options
DS Drain vent screen ★
Bolts
TD
For assembly to Rosemount 3051D
Typical coplanar integral manifold model number: R305EC32B11B4
1. Refer to page 18 for additional detail on process wetted materials of construction.
2. Includes PTFE tape on drain/vent valves and plugs.
3. Includes graphite tape on drain/vent valves and plugs.
4. Not available with graphite-based packing material code 2 .
5. Valve stem tip material is C-276.
★
Emerson.com/Rosemount
7
Rosemount Manifolds
January 2019
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 18 for more information on material selection.
Table 3. Rosemount 305 Integral Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Model Product description
0305 Integral manifold
Manufacturer
R Rosemount ★
Manifold style
C Coplanar ★
T Traditional ★
M Traditional (DIN-compliant flange) ★
Manifold type
2 Two valve ★
3 Three valve ★
(1)
5
(2)
6
(2)(3)
7
(2)(3)
8
(2)(3)
9
Body
Five valve ★
Five valve natural gas metering pattern ★
Two valve (per ASME B31.1 [ANSI] power and piping code)
Three valve (per ASME B31.1 [ANSI] power and piping code)
Five valve (per ASME B31.1 [ANSI] power and piping code)
(4)
Bonnet Stem and tip/ball
2 316 SST/316L SST 316 SST 316 SST ★
(5)
3
4
8
9
(5)(6)
(7)
(7)
Alloy C-276 Alloy C-276 Alloy C-276
Alloy 400 Alloy 400 Alloy 400
Alloy 625 Alloy 625 Alloy 625
All super duplex SST (UNS S32760)
Process connection style
(8)
A
(9)
B
1
/4–18 NPT female ★
1
/2–14 NPT female ★
Packing material
(10)
1
(11)
2
PTFE ★
Graphite-based
Valve seat
1 Integral ★
5 Soft POM (only available with natural gas metering pattern) ★
8
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January 2019
Rosemount Manifolds
Table 3. Rosemount 305 Integral Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Options
Extended product warranty
WR3 3-year limited warranty ★
WR5 5-year limited warranty
Mounting brackets
B1 Bracket for 2-in. pipe mounting, CS bolts ★
(12)
B3
B4 SST mounting bracket for 2-in. pipe mounting, 300 SST bolts ★
B7 B1 bracket with 316 SST bolts ★
B9
BA 316 SST B1 bracket with 316 SST bolts ★
BC
BE 316 SST B4 bracket with 316 SST bolts ★
BF CS panel mount bracket ★
BG 316 SST panel mount bracket ★
Flat bracket for 2-in. pipe mounting, CS bolts ★
(12)
B3 bracket with 316 SST bolts ★
(12)
316 SST B3 bracket with 316 SST bolts ★
★
Bolt materials
(13)
L4
Austenitic 316 SST bolts ★
L5 ASTM A193, Grade B7M bolts ★
L8 ASTM A193, Class 2, Grade B8M bolts ★
Cleaning
(14)
P2 Cleaning for special services ★
Material recommendations for NACE
(5)(15)
SG Sour gas (meets NACE MR0175/ISO 15156, MR0103/ISO 17495) ★
Adapters
DF
(16)
1
/2–14 NPT female flange adapter ★
DQ 12 mm ferrule tube flange adapter
Cold temperature
(17)
CW1 –67 °F (–55 °C) cold temperature operation
Process flow meter configuration
PF Relocated equalize valve for 9295 process flow meter
Process flange bolting connection
HK 10 mm (M10) process flange bolting connection ★
HL 12 mm (M12) process flange bolting connection ★
(18)
Typical coplanar integral manifold model number: 305 R C 3 2 B 1 1 B4
1. Not available with traditional manifold style T.
Emerson.com/Rosemount
9
Rosemount Manifolds
2. Only available with coplanar manifold style code C.
3. Only available with 316 SST materials of construction code 2 and graphite-based packing code 2.
4. Refer to page 25 for additional detail on process wetted materials of construction.
5. Materials of construction comply with recommendations per NACE MR0175/ISO 15156 for sour oil field production environments. Environmental limits apply to
certain materials. Consult latest standard for details. Selected materials also conform to NACE MR0103/ISO 17495 for sour refining environments.
6. Includes Alloy C - 276 drain vents.
7. Only available with two, three and five-valve manifold type.
8. Only available with traditio nal manifold style codes T and M.
9. Not available with traditional manifold style code M. Manifold style code T does not include mounting holes on process flange.
10. Includes PTFE tape on drain/vent valves and plugs.
11. Includes graphite tape on drain/vent valves and plugs.
12. Not compatible with the Rosemount 3095 Transmitter.
13. Not available with ASME B31.1 manifold type codes 7, 8, and 9.
14. Not available with graphite-based packing material code 2.
15. Only allowed with material of construction code 2.
16. Only allowed with traditional manifold style codes T and M. Not allowed with graphite-based packing code 2.
17. Only available with two, three, and five- valve manifold type, 316SST or Alloy C-276 materials of construction and integral valve seat.
18. Only available with traditional manifold style code M.
January 2019
10
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January 2019
Rosemount Manifolds
Rosemount 306 In-line Manifolds
Rosemount In-Line manifolds provide a leak checked and pressure tested single point solution when
assembled to Rosemount pressure transmitters. The in-line, compact design is available with a lightweight
block and bleed or two-valve configurations.
Specification and selection of product materials, options, or components must be made by the purchaser
of the equipment. See page 18 for more information on material selection.
Table 4. Rosemount R306 Integral Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Model Product description
R306 Integral manifold
Design class
E Enhanced ★
Manifold style
T Threaded ★
Manifold type
2 2-valve ★
Body Bonnet Stem and tip Drain/vent
2 316 SST 316 SST 316 SST 316 SST ★
Process connection
BA
1
/2–14 female ANPT process connection for in-line transmitter ★
Packing material
(1)
1
(2)
2
PTFE ★
Graphite-based
Valve seat
1 Integral ★
Extended product warranty
WR3 3-year limited product warranty
WR5 5-year limited product warranty
Cleaning
P2
Material recommendation for NACE
(3)
Cleaning for special services
(4)
SG
Sour gas (meets NACE MR MR 0175/ISO 15156, MR 0103)
NACE Certificate
Q15 Certificate of Compliance to NACE MR0175/ISO 15156 for wetted materials ★
Q25 Certificate of Compliance to NACE MR0103 for wetted materials
Typical coplanar integral manifold model number: R306ET22BA11
Emerson.com/Rosemount
★
11
Rosemount Manifolds
1. Includes PTFE tape on drain/vent valves and plugs.
2. Includes graphite tape on drain/vent valves and plugs.
3. Not available with graphite-based packing material code 2 .
4. Valve stem tip material is C-276.
January 2019
12
Emerson.com/Rosemount
January 2019
Rosemount Manifolds
Specification and selection of product materials, options, or components must be made by the purchaser of the equipment.
See page 18 for more information on material selection.
Table 5. Rosemount 306 Pressure Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Model Product description
0306 Pressure manifold
Manufacturer
R Rosemount ★
Manifold style
T Threaded ★
Manifold type
1 Block-and-bleed ★
2 Two valve ★
(1)
3
Body
(2)
Two valve (per ASME B31.1 power piping code)
Bonnet Stem and tip/ball
2 316/316L SST 316 SST 316 SST ★
(3)(4)
3
(3)
4
(3)
8
(3)
9
Alloy C-276 Alloy C-276 Alloy C-276
Alloy 400 Alloy 400 Alloy 400/K-500
Alloy 625 Alloy 625 Alloy 625
All super duplex SST (UNS S32760)
Process connection
AA
AW
BA
BW
(3)
1
/2–14 male NPT process connection for in-line transmitter ★
1
/2–14 male NPT process connection for Rosemount Wireless Pressure Gauge ★
1
/2–14 female NPT process connection for in-line transmitter ★
1
/2–14 female NPT process connection for Rosemount Wireless Pressure Gauge ★
Packing material
(5)
1
(6)
2
PTFE ★
Graphite-based
Valve seat
1 Integral ★
Options
Extended product warranty
WR3 3-year limited warranty ★
WR5 5-year limited warranty
Emerson.com/Rosemount
★
13
Rosemount Manifolds
January 2019
Table 5. Rosemount 306 Pressure Manifold Ordering Information
The starred offerings (★) represent the most common options and should be selected for best delivery. The non-starred offerings are subject
to additional delivery lead time.
Cleaning
(7)
P2 Cleaning for special services
Cold temperature
(8)
CW1 –67 °F (–55 °C)
(4)(9)
Material recommendations for NACE
SG Sour gas (meets NACE MR0175/ISO 15156, MR0103/ISO 17495) ★
Typical integral manifold model number: 306 R T 2 2 BA 1 1
1. Only available with 316 SST materials of construction and graphite-based packing.
2. Refer to page 25 for additional detail on process wetted materials of construction.
3. Not available with block-and-bleed manifold type.
4. Materials of Construction comply with recommendations per NACE MR0175/ISO 15156 for sour oil field production environments. Environmental limits apply to
certain materials. Consult latest standard for details. Selected materials also conform to NACE MR0103/ISO 17495 for sour refining environments.
5. Includes PTFE tape on drain/vent valves and plugs.
6. Includes graphite tape on plugs.
7. Not available with graphite-based packing material code 2 .
8. Only available with two-valve manifold type, 316SST or Alloy C-276 materials of construction,
transmitters and integral valve seat.
9. Only allowed with material of construction code 2.
1
/2–14 male and female NPT process connection for in-line
14
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