Fisher 252 - User Manual

Type 252
D102465XENG
Installation Guide
English – May 2002
www.FISHERregulators.com
A7013
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 out-
side 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
(1)
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
(1)
-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.
Installation
Personal injury, equipment damage, or leakage
due to escaping fluid or bursting of pressure-
containing 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.
Figure 1. Type 252 Filter
STANDARD BODY
OPTIONAL DRAIN VALVE
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

Summary

Introduction

P.E.D. Categories

Specifications

Inlet and Outlet Connection Size

Specifies the connection size for the filter inlet and outlet.

Maximum Working Pressure

Defines the maximum allowable pressure for the filter's operation.

Proof Test Pressure

States that components are proof tested per specific directive annex.

Filter Rating

Indicates the fineness of filtration provided by the filter cartridge.

Maximum Differential

Specifies the maximum allowable pressure drop across the filter.

Temperature Capabilities

Defines the operational temperature range for the filter.

Installation

Installation Warning

Warning regarding personal injury or equipment damage from exceeding capabilities or codes.

Taking Out of Service (Shutdown)

Shutdown Warning

Warning about personal injury from sudden pressure release during disassembly.

Parts List

Fisher 252 Specifications

General

Brand	Fisher
Model	252
Category	Water Filtration Systems
Language	English