Quick Installation Guide
Product Discontinued December 2009
00825-0100-4028, Rev AA
March 2005
Pak-Lok 285 Annubar
Rosemount 285 Annubar® Pak-Lok Assembly
Star t
Step 1: Location and Orientation
Step 2: Drill Holes into Pipe
Step 3: Weld Mounting Hardware
Step 4: Insert the Annubar
Step 5: Mount the Transmitter
Product Certifications
End
www.rosemount.com
¢00825-0100-4028g¤
Quick Installation Guide
00825-0100-4028, Rev AA
Pak-Lok 285 Annubar
© 2005 Rosemount Inc. All rights reserved. All marks property of owner. Rosemount and the Rosemount logotype are
registered trademarks of Rosemount Inc.
Rosemount Inc.
8200 Market Boulevard
Chanhassen, MN USA 55317
T (US) (800) 999-9307
T (Intnl) (952) 906-8888
F (952) 949-7001
Emerson Process Management Asia Pacific
Private Limited
1 Pandan Crescent
Singapore 128461
T (65) 6777 8211
F (65) 6777 0947/65 6777 0 743
Emerson Process Management GmbH & Co. OHG
Argelsrieder Feld 3
82234 Wessling
Germany
T 49 (8153) 9390
F49 (8153) 939172
Beijing Rosemount Far East Instrument Co.,
Limited
No. 6 North Street,
Hepingli, Dong Cheng District
Beijing 100013, China
T (86) (10) 6428 2233
F (86) (10) 6422 8586
March 2005
IMPORTANT NOTICE
This installation guide provides basic guidelines for Rosemount 285 Annubar. It does not
provide instructions for configuration, diagnostics, maintenance, service, troubleshooting,
Explosion-proof, Flame-Proof, or instrinsically safe (I.S.) installations. Refer to the 285
Annubar reference manual (document number 00809-0100-4028) 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. Flowing medium may cause the 285 Annubar assembly to become hot and
could result in burns.
2
Quick Installation Guide
00825-0100-4028, Rev AA
March 2005
Pak-Lok 285 Annubar
285 Annubar® Pak-Lok Assembly Exploded View
Direct Mount Electronics
Connection with Valves
Nuts & Washers
Compression
Plate
One Piece
String Packing
Follower
Studs
Pak-Lok Body
Threaded Coupling
285 Annubar
15-490023-901a.eps
NOTE
Use an appropriate pipe sealing compound rated for the service temperature on all threaded
connections.
STEP 1: LOCATION AND ORIENTATION
Correct orientation and straight run requirements must be met for accurate and repeatable
flow measurements. Refer to Table 1 for minimum pipe diameter distances from upstream
disturbances.
3
Pak-Lok 285 Annubar
Table 1. Straight Run Requirements
1
2
3
Quick Installation Guide
00825-0100-4028, Rev AA
Upstream Dimensions
Without Vanes With Vanes
In
Plane A
Out of
Plane A
8
—
11
—
23
10
—
16
—
28
A’ C C’
—
—
8
4
—
—
8
4
—
—
March 2005
Downstream
—
4
—
4
—
Dimensions
4
4
4
4
4
—
—
4
12
12
—
—
8
4
4
4
—
—
—
4
8
4
4
4
4
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