HG/T 20636.3-1998 Division of design work between automatic control and piping
Some standard content:
Split of Design Work between Instrumentation and PipingHG/T20636.3-1998
Compiled by: China Huanqiu Chemical Engineering Corporation Approved by: State Administration of Petroleum and Chemical Industry Implementation date: January 1, 1999 Prepared by:
Zhang Zhenji
Reviewed by:
Wang Ximing, Yan Bangming, Jirong, Gao Xin
Standard Exchange Network
62808ol.com1 General Principles
1.0.1 This regulation clarifies the design division between instrumentation and piping, and coordinates the work between the two disciplines to improve the design quality and ensure the design progress. 1.0.2 This regulation applies to the design division between the instrumentation and piping in engineering design. In the division of labor for field instrument source extraction and connection components, because it includes the installation of instruments on equipment, it also includes the design division of labor with the equipment specialty.
1.0.3 When implementing this regulation, it should also comply with the provisions of the relevant national standards in force. 17
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2.0.1 The principle of design division of labor between the automatic control specialty and the pipeline specialty is that before the instrument is installed, the pipeline should be a closed system. Generally, the materials within the closed system are the responsibility of the pipeline specialty, and the materials outside the closed system are the responsibility of the automatic control specialty.
2.0.2 The design division of labor between the automatic control specialty and the pipeline specialty in field instrument source extraction and connection components is divided into the following four situations:
1 The purchase and installation of instruments and installation components are all the responsibility of the automatic control specialty. 2 Only the purchase of the instrument part is the responsibility of the automatic control specialty, and the purchase of installation components and the installation of instruments and their components are the responsibility of the pipeline specialty.
3 The division of labor for the purchase and installation of instruments and their installation components shall be determined according to specific circumstances. 4 The purchase and installation of instruments and installation components shall not be the responsibility of the automatic control department. The division of labor for various field instruments is listed in Table 2.0.2 and Figures 2.0.2-1 to 16 according to the above four situations. If the design division of a certain instrument is not included in the four situations stipulated in this regulation, or it is purchased as a complete set with the equipment, the professional division of labor should be determined by negotiation between the pipeline department and the instrument department according to the specific situation. 18
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Division of labor table for instrument source and connection components
1.1 Thermometer sleeve
1.2 Temperature element (thermocouple, thermal resistor) 1.3 Local thermometer (bimetallic, pressure type) 1.4 Base temperature controller
1.5 Surface thermometer
(1) Instrument base
(2) Instrument
2 Pressure instrument
2.1 Pressure transmitter
2.2 Local pressure controller
2.3 Pressure switch
2.4 Pressure gauge
2.5 Vacuum gauge
3 Flow meter
3.1 Throttling device - differential pressure flow meter
(1) Flange pressure measurement
|(2) Pipeline pressure
(3) Ring chamber pressure
(4) Flow nozzle
(5) Venturi tube
(6) Differential pressure transmitter/indicator
Area flowmeter
Positive displacement flowmeter
Electromagnetic flowmeter
Vortex flowmeter
3.6 Target flowmeter
Built-in orifice flowmeter||tt| |3.8 Mass flow meter
3.9 Ultrasonic flow meter
3.10 Flow switch
Pitot tube flow element (including Anaubar, Verabar) 3.12 Flow limiting orifice
Level instrument
4.1 Differential pressure level meter
(1) General type
(2) Flange type (flat type)
(3) Flange type (plug-in type) (4) Diaphragm seal type
Float type liquid level gauge
Steel belt liquid level gauge (with transmission mechanism)
Purge type liquid level gauge
4.5Float type liquid level switch
4.6Electrode type liquid level switch
4.7Capacitive type material level gauge
4.8Tuning fork type material level gauge
4.9Ultrasonic liquid level gauge
4.1 0Radiation type liquid level meter
4.11Paddle type liquid level meter
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4.12Acoustic positioning type liquid level meter
5Analytical instrument
5.1Automatic gas analyzer
5.3Turbidimeter
5.4Densitometer
5.5Viscometer
5.6 Conductivity meter
5.7 Fluorescent X-ray analyzer
6 Valves
6.1 Control valve
6.2 Self-operated regulating valve
6.3 Safety valve
7 Others
7.1 Flame detector
7.2 Gas detector
7.3 Weighing instrument (hopper scale, belt scale, weighing sensor, etc.)7.4 Vibration meter|| tt||7.5 Tachometer
Continued Table 2.0.2
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Flange type valve
(automatic control)
Description: 1. Symbol
Welded type valve
Figure 2.0.2-1 Source pipe fittings
Indicates the division of labor between automatic control and other specialties. 2. The accessories required for threaded connection (such as adhesives, sealing tapes, etc.) shall be purchased by the installer 11
Flexible joint
Instrument pipeline
Bolts, nuts, gaskets
Bolts, nuts, gaskets
Stop valve
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Threaded valve
Flange type
Threaded type
Figure 2.0.2-2 Thermometer
Note: The accessories required for threaded connection (such as adhesives, sealing tapes, etc.) shall be purchased by the installer. 11
Threaded boss
Welded boss
Bolts, nuts, washers
Threaded boss
Welded boss
Thermometer protective sleeve
Thermometer
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Welded type
Figure 2.0.2-3 Pressure gauge
Note: The automatic control department only purchases items ①, ②, and ③, and the pipeline department is responsible for the installation. 3
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Instrument packing
Pressure gauge
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Siphon, damper
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Flange pressure type
Diameter pressure type
Figure 2.0.2-4 Orifice plate
Note: 1. If the stop valve is connected by thread, it should be expressed as follows, and ③, items are not required. X
2. If the stop valve is connected by welding, it should be expressed as follows, and ③, items are not required. ?
3. Bolts, nuts, and gaskets are supplied as a set with the manufacturer (ring chamber, flange pressure). 13
Slip joint
Instrument pipeline
Bolts, nuts, gaskets, flanges
Stop valve
Bolts, nuts, gaskets, flanges
Pressure boss, take-off
Bolts, nuts, gaskets
Orifice flange
Pressure ring chamber
Standard switch
With flange or processed thread
With flange or processed thread
Pressure type of ring chamber
Diameter pressure Responsible by pipeline
Automatic control is responsible for taking pressure from annular chamber and flange
With processed thread or welding
With processed thread or welding
Including bolts, nuts, gaskets
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Threaded connection type
Figure 2.0.25
Flange connection type
Flow nozzle, Venturi tube
Instructions: 1. If the stop valve is threaded, it should be expressed as follows, and ③ and items are not required. ?
2.If the stop valve is connected by welding, it should be indicated as follows, and items ③ and ③ are not required. 1008
3 If the flange differential pressure gauge is directly connected to the pipe, it should be indicated as follows, and items ③, ③ and ③ are not required. 4
4. For the nozzle ④ connecting the flow nozzle and the venturi tube, the connecting boss shall be purchased by the automatic control professional, and the nozzle shall be purchased by the pipeline professional.
Live joint
Instrument pipeline
Bolts, nuts, gaskets, flanges
Stop valve
Bolts, nuts, gaskets, flanges
Bolts, nuts, gaskets
Flow nozzle or venturi tube
Standard control and exchange network
With flange or thread
With flange or thread
With flange or thread connected to stop valve Remarks
eo-com Figure 2.0.2-6 Flowmeters directly installed on pipelines (area flowmeters, volumetric flowmeters, electromagnetic flowmeters, vortex flowmeters, target flowmeters, built-in orifice flowmeters, etc.) Note: If the flowmeter is connected by threads, items ③ and ④ are not required. 5
Flushing pipe
Bolts, nuts, gaskets
Flow meter accessories
Flow meter
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Rectifier, etc.
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