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Instruction Manual
D104673X012
September 2024
A/100 Series Self-Operated Regulators
SUMMARY
Introduction ........................................................................
PED Categories and Fluid Group ......................................
Characteristics ...................................................................
Labelling ............................................................................
Overpressure Protection ....................................................
Transport and Handling .....................................................
ATEX Requirements ..........................................................
Slam-Shut Controller .........................................................
Operation ...........................................................................
Installation .........................................................................
Startup ...............................................................................
Adjustment .........................................................................
Shutdown ...........................................................................
Periodical Checks ..............................................................
Maintenance ......................................................................
Spare Parts ........................................................................
Parts List ............................................................................
INTRODUCTION
Scope of Manual
This manual provides instructions for installation, startup,
maintenance and spare parts ordering for the A/100 Series
self-operated regulators.
Product Description
The A/100-Series (2 in. gas threaded connections) and the
A/110 Series (DN 50 PN 16 flanged connections) are spring-
loaded regulators featuring single seats and non-balanced
valves, and are normally supplied with built-in filters. The
series, which comes in both the standard and high pressure
(AP) versions, includes the following models:
A/101 and A/111: without safety devices
A/102 and A/112: with outlet overpressure relief valve
A/108 and A/118: with outlet underpressure and/or
overpressure independent, pneumatically controlled slam-
shut valve (OS/66 actuator)
A/109 and A/119: same as the A/108 and A/118 models but
fitted with an outlet overpressure relief valve.
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1
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PED CATEGORIES AND FLUID GROUP
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According to EN 14382, only in integral strength type and
Class A configuration (when both over and under pressure
6
protections are set up), the possible built-in safety shut-off
device can be classified like a safety accessory according
to PED.
The minimum PS between SSD valve and pilot shall be the
PS of the safety accessory to comply the provisions of EN
14382 about integral strength type.
Downstream equipments, protected by possible built-in
safety shut-off device (in its Class A and integral strength
configuration) of this product, shall have technical features
such as to be category per table below according Directive
PED 2014/68/EU.
Table 1. PED Category for A/100 Series Regulators
PRODUCT SIZE
DN 50
Possible built-in pressure accessories (e.g. pilots OS66/)
conform to Pressure Equipment Directive PED 2014/68/EU
Article 4 section 3 and were designed and manufactured in
accordance with sound engineering practice (SEP).
Per Article 4 section 3, these "SEP" products must not bear
the CE marking.
A/100 Series
Figure 1. A/100 Series
CATEGORY
I
FLUID GROUP
1
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Table of Contents
Related Manuals for Emerson TARTARINI A/100 Series
Summary of Contents for Emerson TARTARINI A/100 Series
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Page 1: Table Of Contents
Instruction Manual A/100 Series D104673X012 September 2024 A/100 Series Self-Operated Regulators SUMMARY Introduction ................ PED Categories and Fluid Group ........Characteristics ..............Labelling ................Overpressure Protection ............ Transport and Handling ............. ATEX Requirements ............Slam-Shut Controller ............Operation ................Installation ................. Startup ................ -
Page 2: Characteristics
A/100 Series CHARACTERISTICS LABELLING Body Sizes and End Connection Styles APPARECCHIO TIPO / DEVICE TYPE Notified body BOLOGNA ITALY TARTARINI Note 1 DN 50 BSP inlet and outlet xxxx Note 2 MATRICOLA / ANNO SERIAL Nr. / YEAR DN 50 PN 16 UNI/DIN - Sliding flanges (available on REAZIONE FAIL OPEN FAIL CLOSE... -
Page 3: Atex Requirements
A/100 Series ATEX REQUIREMENTS SLAM-SHUT CONTROLLER If the provisions of EN 12186 & EN 12279, national regula- The following controllers are used with A/100 series tions, if any, and specific manufacturer recommendations are regulator with built-in slam-shut: not put into practice before installation and if purge by inert •... -
Page 4: Installation
A/100 Series INSTALLATION Clean out all pipelines before installation of the regulator and check to be sure the regu- lator has not been damaged or has collected WARNING foreign material during shipping. Installation shall be in accordance with For threaded bodies, apply pipe compound national standard for material use limita- to the male pipe threads. -
Page 5: Startup
A/100 Series STARTUP Regulator Checking The regulator and/or slam-shut controller is factory set Slowly close the outlet cut-off valve and check pressure in at approximately the midpoint of the spring range or the the length of pipe between the regulator and the valve. pressure requested, so an initial adjustment may be required If the system is functioning properly, an increase in outlet to give the desired results. -
Page 6: Spare Parts
A/100 Series Table 3. General Troubleshooting for A/100 Series CAUSE ACTIONS Gas is being regularly fed into the regulator. no gas flowing downstream of regulator The actuator is properly latched (only in models fitted with slamshut valve). Sufficient gas is being fed into the regulator. Regulator capacity is compatible with desired flow rate. - Page 7 A/100 Series Figure 4. A/100 Series Regulator...
- Page 8 D104673X012 © 2024 Emerson Process Management Regulator Technologies, Inc. All rights reserved. 09/24. Americas Asia Pacific The Emerson logo is a trademark and service mark of Emerson Electric McKinney, Texas 75070 USA Singapore 128461, Singapore Co. All other marks are the property of their prospective owners.
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