Emerson Tartarini PRX Series Manual

Instruction Manual
D103591X012
-
January 2016 Rev. 00
PRX/ and PRX-AP/ Pilots
SUMMARY
Introduction ......................................................................... 1
Characteristics .................................................................... 1
Labelling ............................................................................. 2
Dimensions and Weights .................................................... 2
Installation .......................................................................... 2
Startup ................................................................................ 2
Adjustment ......................................................................... 2
Periodic Checks.................................................................. 2
SEP Statement .................................................................. 3
ATEX Requirements .......................................................... 3
Maintenance ....................................................................... 3
Spare Parts ........................................................................ 4
Parts Lists ........................................................................... 5
Schematic Assemblies........................................................ 6

INTRODUCTION

Scope of Manual
This manual provides installation, startup, maintenance and
spare parts for the pilot PRX series.
Product Description
Designed for pressure regulators and slam-shut valves
control, the following types are available:
• PRX/120, PRX-AP/120
To control regulator or monitor
• PRX/125, PRX-AP/125
To control operating monitor
• PRX/181-PN, PRX/182-PN,
PRXAP/181-PN, PRXAP/182-PN
To control OS/80X-PN slam-shut device
• PRX/131, PRX-AP/131
Booster valve
• PRX/182, PRX-AP/182
To control VSFL relief valve
TM
Figure 1. Type PRX/120 and PRX-AP/120 Pilots
The full range of PRX pilots can be installed in the
following equipment:
FL Series - Cronos Series - EZH Series - 971 Model
BM5 Series - BM6X Series
This product has been designed to be used with fuel gases of
1st and 2nd family according to EN 437, and with other non
aggressive and non fuel gases. For any other gases, other
than natural gas, please contact your local sales agent.

CHARACTERISTICS

Table 1. Technical Features
MODEL
PRX/120, PRX/125
PRX-AP/120, PRX-AP/125
PRX/181-PN, PRX/182-PN,
PRX/131, PRX/182,
PRX-AP/181-PN, PRX-AP/182-PN,
PRX-AP/131, PRX-AP/182,
1/4-inch NPT female threaded connections.
The Type SA/2 stabilizer filter must be used with PRX series
pilots, for further informations please see the Instruction
Manual D103653X012.
PRX Series
ALLOWABLE BODY AND
SET RANGE
PRESSURE
W (bar)
PS (bar) MATERIAL
d
1 - 40
30 - 80
100
0.5 - 40
30 - 80
COVERS
Steel