Rosemount 1595 Quick Start Guide
Quick Start Guide
00825-0100-4828, Rev DC
July 2014
Rosemount 1595 Conditioning Orifice
Plate
Quick Start Guide
July 2014
NOTICE
This installation guide provides basic guidelines for Rosemount 1595 Conditioning Orifice
Plate. It does not provide instructions for configuration, diagnostics, maintenance, service,
troubleshooting, Explosion-proof, Flame-Proof, or intrinsically safe (I.S.) installations. Refer to
the 1595 reference manual (document number 00809-0100-4828) for more instruction.
This manual is also available electronically on www.rosemount.com.
WARNING
Process leaks may cause harm or result in death.
To avoid process leaks, only use gaskets designed to seal with the corresponding flange and
o-rings to seal process connections.
Contents
Primary element location . . . . . . . . . . . . . 3
Primary element orientation . . . . . . . . . . 4
2
Primary element installation . . . . . . . . . . .6
Product Certifications . . . . . . . . . . . . . . . 10
July 2014
Quick Start Guide
Step 1: Primary element location
Install the 1595 in the correct location within the piping branch to prevent
inaccurate measurement caused by flow disturbances.
1
(1)
Table 1. 1595 Straight Pipe Requirements
Beta 0.20 0.40 0.50 0.65
Single 90° bend or tee
Two or more 90° bends in the same plane
Two or more 90° bends in different plane
Up to 10° of swirl
side of primary
Upstream (inlet)
Reducer (1 line size)
Butterfly valve (75% to 100% open)
Downstream (outlet) side of primary
1. Consult an Emerson Process Management representative if disturbance is not listed.
2. Not applicable in line sizes greater than 24-in. (600 mm).
(2) 2
(2)
(2)
Pressure tap orientation
Orient the 1595 Conditioning Orifice Plate so the pressure taps are centered
between any two (of four) orifice bore holes. In addition, the pressure taps should
be located at 90° to the plane of the last elbow.
2222
2 2 2 2
2222
2 2 2 2
2222
2 2 5 5
2222
Centering requirements
The 1595 should be installed so that it is centered in the pipe as recommended by
ISO-5167.
3
Quick Start Guide
30°
Recommended
Zone 120°
30°
F
l
o
w
F
l
o
w
Step 2: Primary element orientation
The following drawings show paddle style conditioning orifice plate, but
orientation pertains to both paddle and universal plate styles.
Horizontal pipe installation
Figure 1. Gas in Horizontal Pipes
FLOW
Figure 2. Liquid or Steam in Horizontal Pipes
July 2014
4
July 2014
Flow
FLOW
Flow
Vertical pipe installation
Figure 3. Gas in Vertical Pipes
FLOW
Figure 4. Liquid or Steam in Vertical Pipes
Quick Start Guide
5
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