Installation Guide
English – May 2002
Type 252
Introduction
This installation guide provides installation and removal
instructions. To receive a copy of the instruction manual,
contact your local Fisher Sales Office or Sales Representative
or view a copy at www.FISHERregulators.com. For further
information refer to:
Type 252 Filter Instruction Manual, form 5438, D102465X012.
P.E.D. Categories
This product may be used as a safety accessory with
pressure equipment in the following Pressure Equipment
Directive 97/23/EC categories. It may also be used outside of the Pressure Equipment Directive using sound
engineering practice (SEP) per table below.
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Specifications
Inlet and Outlet Connection Size
DN 6 (1/4-inch) NPT
Maximum Working Pressure
Aluminum: 148 bar (2150 psig)
Proof Test Pressure
All Pressure Retaining Components have been
proof tested per Directive 97/23/EC - Annex 1,
Section 7.4
Filter Rating
20 microns
Maximum Differential
(1)
70 bar (100 psig)
Temperature Capabilities
-40 to 82°C (-40 to 180°F)
1. The pressure/temperature limits in this installation guide and any applicable
standard or code limitation should not be exceeded.
(1)
(1)
Installation
Personal injury, equipment damage, or leakage
due to escaping fluid or bursting of pressurecontaining parts may result if the filter is installed
where its capabilities can be exceeded or where
conditions exceed any ratings of the adjacent
piping or piping connections. To avoid this, install
a filter where:
• Service conditions are within unit capabilities.
• Service conditions are within applicable codes,
regulations, or standards.
Taking Out of Service (Shutdown)
To avoid personal injury resulting from sudden
release of pressure, isolate the regulator/filter
from all pressure and cautiously release trapped
pressure from the regulator/filter before
attempting disassembly.
Parts List
Key Description
1 Filter Head Assembly
2 Filter Body
3 Lower Seat
4 Filter Cartridge
5 O-Ring
6 Pipe Plug
7 Drain Valve
8 Upper Seat
A7013
OPTIONAL DRAIN VALVE
STANDARD BODY
Figure 1. Type 252 Filter
D102465XENG
www.FISHERregulators.com
Type 252
©Fis her C ontro ls Inte rnati onal, I nc., 2002; All R ights Rese rved
Fisher and Fisher Regulators are marks owned by Fisher Controls International, Inc. The Emerson logo is a trade mark and service mark of Emerson Electric Co.
All other marks are the property of their respective owners.
The contents of this publication are presented for informational purposes only, and while every effort has been made to ensure their accuracy, they are not to be construed as warranties or guarantees, express
or implied, regarding the products or services described herein or their use or applicability. We reserve the right to modify or improve the designs or specifications of such products at any time without notice.
For information, contact Fisher Controls, International:
Within USA (800) 588-5853 – Outside USA (972) 542-0132
France – (33) 23-733-4700
Singapore – (65) 770-8320
Mexico – (52) 57-28-0888
Printed in U.S.A.
www.FISHERregulators.com
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