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GB/T 17116.2-2018: Pipe supports and hangers -- Part 2: Pipe attachments
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Basic data | Standard ID | GB/T 17116.2-2018 (GB/T17116.2-2018) | | Description (Translated English) | Pipe supports and hangers -- Part 2: Pipe attachments | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | J15 | | Classification of International Standard | 23.040.99 | | Word Count Estimation | 94,937 | | Date of Issue | 2018-02-06 | | Date of Implementation | 2018-09-01 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 17116.2-2018: Pipe supports and hangers -- Part 2: Pipe attachments---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
Pipe supports and hangers-Part 2. Pipe attachments
ICS 23.040.99
J15
National Standards of People's Republic of China
Replace GB/T 17116.2-1997
Pipe hanger
Part 2. Pipe connection parts
Published on.2018-02-06
2018-09-01 implementation
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China
China National Standardization Administration issued
Content
Foreword III
1 Scope 1
2 Normative references 1
3 relevant dimensions of the pipe structure 1
3.1 Nominal size series of pipe structure 1
3.2 Minimum inner diameter of the pipe structure 1
4 load series 4
4.1 Load level 4
4.2 Load series Table 4
5 Piping system grading and pipe material matching 6
5.1 Piping System Classification 6
5.2 Pipe material matching 6
6 pipe structure type 6
6.1 Pipe Structure Classification 6
6.2 Pipe Structure Type 6
6.3 Mark 15
7 Requirements 16
7.1 General requirements 16
7.2 Horizontal pipe department 16
7.3 riser pipe department 16
7.4 Rolling hangers 16
7.5 Insulation support hanger 17
Appendix A (Normative Appendix) Piping System Grading and Matching Materials 18
Appendix B (normative appendix) allowable loads for different material pipe sections 19
Appendix C (informative appendix) Typical pipe structure main dimensions 33
C.1 Horizontal pipe pipe section 33
C.2 riser pipe section 58
C.3 Rolling support hanger pipe section 65
C.4 Insulation block and shield 69
Foreword
GB/T 17116 "Pipe Supporting and Hanging" is divided into the following three parts.
--- Part 1. Technical specifications;
--- Part 2. Pipe connection parts;
--- Part 3. Intermediate connectors and building structure connectors.
This part is the second part of GB/T 17116.
This part is drafted in accordance with the rules given in GB/T 1.1-2009.
This part replaces GB/T 17116.2-1997 "Pipe Support and Hanger Part 2. Pipe Connection Parts", and GB/T 17116.2-
In.1997, the main technical changes except editorial changes are as follows.
--- Increase the two pipe specifications of DN2700 and DN2900;
--- Added lightweight and flexible small load tube structure;
--- Deepen the energy-saving and environmentally friendly insulation and hanger structure;
--- Added copper tube series;
--- Changed the load classification method;
--- Added chapters on load series, temperature class and material, pipe structure type, etc.;
--- The main size of the typical pipe structure is changed to an informative appendix.
This part was proposed by the China Machinery Industry Federation.
This part is under the jurisdiction of the National Pipeline Attachment Standardization Technical Committee (SAC/TC237).
This section is responsible for drafting the unit. Zhongji Guoneng Power Engineering Co., Ltd.
Participated in the drafting of this section. China Power Engineering Consulting Group East China Electric Power Design Institute Co., Ltd., China Machine Productivity Promotion Center, China
National Electric Power Engineering Consulting Group Northwest Electric Power Design Institute Co., Ltd., China Petroleum Engineering Construction Corporation East China Design Branch, China Tianchen Engineering
Co., Ltd., China Energy Construction Group Guangdong Electric Power Design and Research Institute Co., Ltd., Jiangsu Electric Power Equipment Co., Ltd., Huadian Power Science
Research Institute, Jiangsu Yuxin Technology Co., Ltd., Zhejiang Zhenshen Thermal Insulation Technology Co., Ltd., Shanghai Xinqi Hardware Co., Ltd.
The main drafters of this section. Xiong Jianwen, Lin Lei, Feng Feng, Chen Yunfen, Su Yinping, Ma Xinqiang, Liu Jian, Liu Jun, Huang Tao, Pu Wansheng, Guo Yanjun,
Cao Yandong, Shen Zhongguang, Lin Qiluo, Zhang Chunhua, Chen Xunyu.
The previous versions of the standards replaced by this section are.
---GB/T 17116.2-1997.
Pipe hanger
Part 2. Pipe connection parts
1 Scope
This part of GB/T 17116 specifies the nominal size series, load series, temperature class and the number of pipe connecting and connecting pipe connecting parts.
The main dimensions of the materials, types and typical structural types.
This section applies to the structure of various types of hangers and tubes of circular metal pipes that control the outer diameter.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this article.
Pieces. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 713 steel plate for boiler and pressure vessel
GB 3274 carbon structural steel and low alloy structural steel hot rolled thick steel plate and steel strip
GB/T 3531 steel plate for low temperature pressure vessel
GB/T 5310 seamless steel pipe for high pressure boiler
GB/T 17116.1 Pipe hangers and hangers - Part 1. Technical specifications
GB/T 17116.3 Pipe hangers and hangers - Part 3. Intermediate joints and building structural joints
GB/T 17393 Specification for Thermal Insulation Materials for Austenitic Stainless Steel
GB/T 24511 stainless steel plate and steel strip for pressure equipment
3 relevant dimensions of the pipe structure
3.1 Nominal size series of pipe structure
The pipe and hanger structure shall comply with the nominal size series of Table 1. The pipe outer diameters A and B are applicable to steel pipes.
The C series is suitable for cast iron pipes and the D series is suitable for copper pipes.
3.2 Minimum inner diameter of the pipe structure
3.2.1 The pipe structure directly connected to the pipeline shall have a minimum internal diameter as specified in Table 2. a pipe structure connected to the outer insulation layer of the pipe,
The minimum inner diameter should not be less than the sum of the maximum outer diameter of the pipe and the thickness of the insulation layer twice.
3.2.2 The tolerance of the inner diameter of the pipe structure shall comply with the provisions of GB/T 17116.1.
Table 1 Nominal size series of pipe structure
Nominal size
DN
Pipe outer diameter/mm
Series A Series B Series C Series D
Nominal size
DN
Pipe outer diameter/mm
Series A Series B Series C Series D
10 17.2 14 12 900 914 920 945
15 21.3 18 18 950 965
20 26.9 25 22 1000 1016 1020 1048
25 33.7 32 28 1050 1067
32 42.4 38 35 1100 1118 1120 1152
40 48.3 45 56 42 1150 1168
50 60.3 57 66 54 1200 1219 1220 1255
65 73 76 82 76 1300 1321 1320
80 88.9 89 98 89 1400 1422 1420 1462
90 101.6 1500 1524 1520 1565
100 114.3 108 118 108 1600 1626 1620 1668
125 141.3 133 144 133 1700 1727 1720
150 168.3 159 170 159 1800 1829 1820 1875
175 193.7 194 1900 1930 1920
200 219.1 219 222 219.2000 2032 2020 2082
225 244.5 245 2100 2134 2120
250 273.0 273 274 273 2200 2235 2220 2288
275 298.5 298 2300 2337 2320
300 323.9 325 326 325 2400 2438 2420 2495
350 355.6 377 378 2500 2540 2520 .
400 406.4 426 429 2600 2642 2620 2702
450 457 480 480 2700 2743 2720
500 508 530 532 2800 2845 2820
550 559 2900 2946 2920
600 610 630 635 3000 3048 3020
650 660 3200 3251 3220
700 711 720 738 3400 3454 3420
750 762 3600 3658 3620
800 813 820 842 3800 3861 3820
850 864 4000 4064 4020
Table 2 Minimum inner diameter table of pipe structure
Nominal size
DN
Pipe structure minimum inner diameter/mm
Series A Series B Series C Series D
Nominal size
DN
Pipe structure minimum inner diameter/mm
Series A Series B Series C Series D
10 17.7 14.5 12.1 900 928 934 946
15 21.8 18.5 18.1 950 982 0
20 27.4 25.5 22.1 1000 1031 1035 1049
25 34.2 32.5 28.1 1050 1078 0
32 42.9 38.5 35.1 1100 1130 1132 1153
40 48.8 45.5 57 42.1 1150 1179 0
50 61 57.6 67 54.1 1200 1231 1232 1256
65 74 77.0 83 76.1 1300 1335 1334
80 90.0 90 99 89.2 1400 1436 1434 1463
90 103 1500 1540 1536 1566
100 116 109 119 108.2 1600 1642 1636 1669
125 143 135 145 133.7 1700 1744 1737
150 171 161 171 159.7 1800 1847 1838 1876
175 197 197 1900 1949 1939
200 222 222 223 220.5.2000 2052 2040 2083
225 248 248 2100 2155 2141
250 277 277 275 274.5 2200 2257 2242 2289
275 303 2300 2360 2343
300 329 330 327 326.5 2400 2462 2444 2496
350 361 383 379 2500 2565 2545
400 412 432 430 2600 2655 2633 2703
450 464 487 481 2700 2757 2734
500 516 538 533 2800 2859 2834
550 567 2900 2961 2935
600 619 639 636 3000 3063 3035
650 670 3200 3267 3236
700 722 731 739 3400 3471 3437
750 773 3600 3677 3638
800 825 832 843 3800 3881 3839
850 877 4000 4085 4040
4 load series
4.1 Load level
4.1.1 The load series of pipe connecting and connecting pipe connecting parts are divided into 19 levels, see Table 3.
4.1.2 The nominal size of the pipe structure according to Table 1 shall be matched to the series of load sizes of the boom.
4.1.3 The maximum load of the boom should meet the requirements of GB/T 17116.1.
4.1.4 The nominal size of the boom and its thread series shall comply with the provisions of GB/T 17116.3.
4.2 Load Series Table
The matching relationship between the pipe structure load series and the hanger's nominal size shall comply with the requirements of Table 3.
Table 3 Load series table of pipe structure
Load series 0 1 2 3 4 5 6 7 8 9 ABCDEFGHI
Single boom
Nominal size NS
10 10 12 16 20 24 30 36 42 48 56 64 68 72 80 90 100 110 125
Double boom
Nominal size NS
10 10 10 12 16 20 24 30 36 36 42 56 56 56 64 68 80 80 90
pipeline
Nominal size DN
Load/kN
2 3.95.7110.917.124.739.761.284.4123 185 248 283 320 402 517 647 7911033
10 ●
15 ●
20 ●
25 ● ●
32 ● ●
40 ● ● ●
50 ● ● ● ●
65 ● ●
80 ● ● ●
90 ● ● ●
100 ● ● ●
125 ● ● ●
150 ● ● ●
175 ● ● ●
200 ● ● ● ● ●
225 ● ● ● ● ●
250 ● ● ● ● ●
275 ● ● ● ● ●
300 ● ● ● ● ● ● ●
350 ● ● ● ● ● ●
400 ● ● ● ● ● ● ● ● ● ●
450 ● ● ● ● ● ● ● ● ● ●
500 ● ● ● ● ● ● ● ● ●
550 ● ● ● ● ● ● ● ● ●
600 ● ● ● ● ● ● ● ● ● ●
650 ● ● ● ● ● ● ● ● ● ●
Table 3 (continued)
Load series 0 1 2 3 4 5 6 7 8 9 ABCDEFGHI
Single boom
Nominal size NS
10 10 12 16 20 24 30 36 42 48 56 64 68 72 80 90 100 110 125
Double boom
Nominal size NS
10 10 10 12 16 20 24 30 36 36 42 56 56 56 64 68 80 80 90
pipeline
Nominal size DN
Load/kN
2 3.95.7110.917.124.739.761.284.4123 185 248 283 320 402 517 647 7911033
700 ● ● ● ● ● ● ● ● ● ● ●
750 ● ● ● ● ● ● ● ● ● ● ●
800 ● ● ● ● ● ● ● ● ● ● ●
850 ● ● ● ● ● ● ● ● ● ● ●
900 ● ● ● ● ● ● ● ● ● ● ● ● ●
950 ● ● ● ● ● ● ● ● ● ● ● ● ●
1000 ● ● ● ● ● ● ● ● ● ● ● ● ●
1050 ● ● ● ● ● ● ● ● ● ● ● ● ●
1100 ● ● ● ● ● ● ● ● ● ● ● ● ●
1150 ● ● ● ● ● ● ● ● ● ● ● ● ●
1200 ● ● ● ● ● ● ● ● ● ● ● ● ●
1300 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1400 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1500 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1600 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1700 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1800 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
1900 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2000 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2100 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2200 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2300 ○ ○ ○ ○ ○ ○ ○ ○ ○ ○
2400 ○ ○ ○ ○ ○ ○ ○ ○ ○
2500 ○ ○ ○ ○ ○ ○ ○ ○ ○
2600 ○ ○ ○ ○ ○ ○
2700 ○ ○ ○ ○ ○ ○
2800 ○ ○ ○ ○ ○ ○
2900 ○ ○ ○ ○ ○ ○
3000 ○ ○ ○ ○ ○ ○
3200 ○ ○ ○ ○ ○ ○
3400 ○ ○ ○ ○ ○ ○
3600 ○ ○ ○ ○ ○ ○
3800 ○ ○ ○ ○ ○ ○ ○
4000 ○ ○ ○ ○ ○ ○
Note. ● indicates that all types of hangers are applicable; ○ indicates that it is only applicable to brackets.
5 Piping system grading and pipe material matching
5.1 Piping system classification
5.1.1 Piping system classification shall comply with the provisions of GB/T 17116.1.
5.1.2 Pipe joints and hangers The main components of the pipe structure shall be used in accordance with the provisions of GB/T 17116.1.
5.2 Pipe material matching
5.2.1 The pipe material matching and temperature code in direct contact with the pipeline shall comply with the provisions of Appendix A.
5.2.2 The allowable load of pipe parts of different materials shall comply with the provisions of Appendix B.
6 pipe structure type
6.1 Classification of pipe structure
The pipe structure is divided into two groups. non-integrated and integral. Each component is a horizontal pipe hanger, a horizontal pipe bracket, a riser hanger, a riser bracket, and a
Hot hanger (integral for elbow (tube) hanger), insulated bracket (integral for elbow (tube) bracket), horizontal tube rolling hanger, horizontal tube rolling branch
9 types of racks and special purpose tubes.
6.2 Pipe structure type
The pipe structure type is shown in Table 4.
Table 4 Pipe structure type
1 non-integral pipe structure
1.1 Horizontal tube hanger
Type 110 Type 111 Type 112 Type 113 Type 114
Double bolt pipe clamp three bolt pipe clamp pipe clamp pipe clamp high temperature pipe clamp extension type separation pipe clamp
Type 115 Type 116 Type 117 Type 118 Type 119
Short pipe clamp long pipe clamp rotating hoop J-shaped pipe hoop open pipe ring
Type 11A Type 11B Type 11C Type 11D Type 11E
Spiral opening pipe ring separation pipe clamp hinge pipe clamp double boom pipe clamp U-shaped pipe clamp
Type 11F Type 11G Type 11H
Boom pipe card cross arm suspension pipe clamp cross arm suspension pipe card cross arm
Table 4 (continued)
1.2 Horizontal tube bracket
Type 120 Type 121 Type 122 Type 123 Type 124
T-type pipe clamp bearing pipe clamp bearing pipe clamp bearing U-shaped pipe card pipe card
Type 125 Type 126 Type 127 Type 128 Type 129
P-type tube card tube custody card tube holder adjustable tube holder adjustable tube card tube holder
1.3 riser hanger
Type 130 Type 131 Type 132 Type 133
Four bolts riser pipe clamp six bolts riser pipe clamp ten bolts riser pipe clamp rib plate hanging plate hanger
1.4 riser bracket
Type 140 Type 141 Type 142
Two bolt riser bracket three bolts single side riser bracket four bolt riser bracket
Table 4 (continued)
1.5 insulated hanger
Type 150 Type 151 Type 152 Type 153 Type 154
Double bolt insulated pipe clamp insulated pipe clamp double boom insulated pipe clamp double bolt separation type insulated pipe clamp with spiral opening pipe ring
Type 155 Type 156 Type 157 Type 158 Type 159
Four bolt riser insulated pipe clamp boom insulated pipe card cross arm hanger pipe clamp cross arm adjustable roller hanger double boom roller hanger
1.6 insulation bracket
Type 160 Type 161 Type 162 Type 163 Type 164
Shield insulation board card insulation tube card insulation tube holder support insulation tube card holder
Type 165 Type 166 Type 167 Type 168 Type 169
Insulation P-type tube card insulation riser horizontal ear insulation double cone roller tube clamp bracket insulation double cylindrical roller tube clamp bracket insulation radial limit double support
Table 4 (continued)
Type 16A Type 16B Type 16C
Adiabatic radial limit three-stand adiabatic radial limit four-support adiabatic T-tube support
1.7 Rolling hanger
Type 170 Type 171 Type 172 Type 173 Type 174
Adjustable roller hanger double boom roller hanger double roller guide hanger pipe clamp pipe saddle pipe clamp pipe saddle
1.8 rolling bracket
Type 180 Type 181 Type 182 Type 183 Type 184
Single cylindrical roller tube clamp bracket double cone roller tube clamp bracket
Lateral displacement double cone rolling
Tube holder
Double cylindrical roller clamp bracket
Double cylindrical roller clamp bracket
( >DN500)
Type 185 Type 186 Type 187 Type 188
Anti-off-load double cylindrical roller
Pipe clamp bracket
Lateral displacement double cylindrical roller
Bobbin clamp bracket
Adjustable double cone roller
Pipe clamp bracket
Adjustable lateral displacement double cone
Roller tube clamp bracket
Table 4 (continued)
1.9 Special purpose pipe department
Type 190 Type 191 Type 192 Type 193 Type 194
Radial limit tube clamp
Double support
Radial limit tube clamp
Three seats
Radial limit tube clamp
Four seats
Pipe clamp guide sleeve
Radial limit, vibration damping, damping
Single rod dynamic pipe clamp
Type 195 Type 196 Type 197 Type 198 Type.199
Radial limit, vibration damping, damping
Double rod dynamic pipe clamp
Radial limit, vibration damping, damping
Three single rod dynamic pipe clamp
Axial limit pipe clamp
Cross-arm radial limit, minus
Vibration and damping dynamic carrier clamp
Riser axial moving carrier clamp
Type 19A Type 19B
Axial stop for horizontal pipe
(tube clamp type)
Axial stop for horizontal pipe
(pipe card type)
2 integral pipe structure
2.1 Horizontal pipe hanger
Type 210 Type 211 Type 212 Type 213 Type 214
Welding hanging plate welding trunnion strengthening welding hanging plate strengthening welding hanging plate hanger cross arm hanger
Table 4 (continued)
2.2 Horizontal tube bracket
Type 220 Type 221 Type 222 Type 223 Type 224
Welding support reinforced welding support T-type support reinforced T-type seat type pipe support
Type 225 type 226
Horizontal pipe support to strengthen horizontal pipe support
2.3 riser hanger
Type 230 Type 231 Type 232
Veneer welding hanger double plate welding hanger trunnion hanger
2.4 riser bracket
Type 240 Type 241 Type 242 Type 243 Type 244
Vertical pipe bracket wing plate veneer welding support double plate welding support trunnion welding support trunnion welding support
Table 4 (continued)
2.5 elbow (tube) hanger
Type 250 Type 251 Type 252
Welding elbow hanging plate hanger elbow hanging plate hanger elbow trunnion hanger
2.6 elbow (tube) bracket
Type 260 Type 261 Type 262
Welding elbow bracket elbow column bracket elbow trunnion shelf
2.7 Rolling hanger
Type 270 Type 271 Type 272 Type 273 Type 274
Adjustable roller hanger double boom roller hanger double roller saddle guide hanger adjustable saddle roller hanger double boom saddle roller hanger
Type 275 Type 276
Welded pipe saddle welded pipe saddle
Table 4 (continued)
2.8 rolling bracket
Type 280 Type 281 Type 282 Type 283 Type 284
Single cylindrical roller bracket double cone roller bracket
Lateral displacement double cone
Roller bracket
Double cylindrical roller bracket
Anti-offload double cylinder
Roller bracket
Type 285 Type 286 Type 287
Lateral displacement double cylindrical roller
Tube holder
Adjustable double cone roller bracket
Adjustable lateral displacement
Double cone roller bracket
2.9 Special Purpose Pipe Department
Type 290 Type 291 Type 292 Type 293 Type 294
Fixed bracket riser fixed bracket riser fixed bracket radial limit double support radial limit three support
Type 295 Type 296 Type 297 Type 298 Type 299
Radial limit four seat limit four trunnion guide sleeve
Radial limit, vibration damping, resistance
Single rod trunnion
Radial limit, vibration damping, damping
Double rod trunnion
Table 4 (continued)
Type 29A Type 29B
Radial limit, vibration reduction,
Damping tripod trunnion
Pipe stop
6.3 mark
Pipe markings are numbered by pipe type, pipe nominal size, pipe diameter pipe code, load series code, temperature material code, surface treatment
The code, axial and lateral displacement codes are composed of 7 fields separated by "-".
a) The pipe type number consists of three codes. group, category and type. The pipe type is shown in Table 4;
b) the nominal size of the pipe (2~4 digits, no 0 complement in front of the small specification);
c) Pipe diameter pipe code (1 position). A---Series A steel pipe, B---Series B steel pipe, C---copper pipe, D---cast iron pipe, S---
Series A stainless steel tube;
d) The load series code uses 0~9, A~I one bit code, see Table 3;
e) temperature material code, 1 digit, see Appendix A;
f) The surface treatment code consists of the tube's own anti-corrosion and pad treatment with the stainless steel tube or copper tube contact surface (1 position). B---passivation
Blackening, G---hot galvanizing, H---high temperature resistant coating, P---coating;
g) Sliding bracket axial and lateral displacement codes (2 positions, 1 position for axial and lateral displacement), expressed in multiples of 50 mm.
Tag example 1.
113-750-AD-8-H
It means. the pipe type is horizontal pipe high temperature pipe clamp; the pipe nominal size is DN750; the pipe is series A steel pipe; the design load is ≤320kN; the operation (use) temperature
Degree ≤ 625 ° C; surface anti-corrosion treatment is a high temperature coating.
Tag example 2.
121-1200-B-9-4-P-21
Indicates that the pipe type is a horizontal pipe clamp bearing (sliding); the pipe nominal size is DN1200; the pipe is a series B steel pipe; the design load is ≤123kN;
Use) temperature ≤ 300 ° C; surface anti-corrosion treatment for paint; axial displacement of the pipe at the support point ≤ 100mm, lateral displacement ≤ 50mm.
7 requirements
7.1 General requirements
7.1.1 Except as otherwise provided in this section, the material, design and production of the pipe structure shall comply with the provisions of GB/T 17116.1.
7.1.2 Except as otherwise provided in this part, the connection dimensions of the pipe structure and the intermediate connection of the pipe support and hanger or the structural connection of the building shall comply with
The provisions of GB/T 17116.3.
7.1.3 Carbon steel pipe clamps are used for suspending or supporting horizontal or vertical pipe steel pipe clamps of stainless steel pipes and non-ferrous metal pipes, and should be in pipe clamps and pipes.
The surface of the contact area is coated with a non-metallic insulating coating, an insulating protective film, an insulating gasket or a gasket of the same material as the pipe.
7.1.4 The structural material of the pipe that is in contact with the pipe shall be selected according to the design temperature of the pipe.
7.1.5 The pipe structural material welded directly to the pipe shall be the same or compatible with the pipe material.
7.2 Horizontal Pipe Department
7.2.1 Horizontal pipe support can be combined with sliding bottom plate, guiding bottom plate and limit bottom plate to form sliding bearing, guiding bearing and limit
Support.
7.2.2 Double-bolt pipe clamps and three-bolt pipe clamps shall be provided with spacers.
7.2.3 When using horizontal pipe welding hangers or supports, the strength conditions and stiffness conditions of the suspended pipe itself shall be taken into account.
In addition, it is possible to add accessories such as reinforcing plates that prevent local overstress or excessive deformation of the pipe.
7.2.4 The pin hole of the single lifting plate shall be a double tapered hole with a small center of the lifting plate adapted to the swinging of the boom, a large end face of the lifting plate and a cone angle of 10°.
7.2.5 The main connection dimensions of the horizontal pipe section structure are shown in Figure C.1~C.10 and Table C.1~Table C.10 of Appendix C.
7.3 riser pipe department
7.3.1 The selection and positioning of the riser hanger shall be included in the entire weight of the riser and the adjacent piping, hydraulic test load conditions, and pipeline temperature.
Degree, other working load conditions and available support structure. Only one rigid support hanger should be used on the riser that is subject to expansion.
7.3.2 The design of the riser pipe section shall be accounted for by the eccentric load caused by the displacement of the pipe and/or the hanger and hanger, except for special design.
Any of the cantilever of the pipe should be able to withstand the full load of the hanger.
7.3.3 The riser pipe clamp shall be provided with a bearing block between the pipe and the pipe clamp, and the bottom surface of each bearing block shall be on the same horizontal plane.
7.3.4 When using the riser and elbow to weld the pipe structure, the strength and stiffness conditions of the suspended pipe itself shall be taken into account.
In addition, it is possible to add accessories such as reinforcing plates that prevent local overstress or excessive deformation of the pipe.
7.3.5 The pin hole of the riser welded finned plate and the riser tubular trunnion hanger hanging plate shall be small and hanging plate suitable for the swinging of the boom.
Double tapered holes with large end faces and a cone angle of 10°.
7.3.6 The main connection dimensions of the riser pipe structure are shown in Figure C.11~C.12 and Table C.11~Table C.12 of Appendix C.
7.4 Rolling support
7.4.1 The bottom surface of the pipe structure of the rolling hanger shall conform to the bearing surface of the rolling member.
7.4.2 The contact temperature of the roller should not exceed 230 °C, and the surface temperature of the elastic coating should not exceed 150 °C.
7.4.3 Rolling parts consist of parts such as rollers, bearings or roller shafts.
7.4.4 The drum type includes a single cylindrical roller, a double cylindrical roller or a double cone roller.
7.4.5 The drum is made of cast iron or high-strength carbon steel. The roller shaft is made of stainless steel and polished. There is Teflon between the drum and the drum shaft.
Bushing made of bronze composite material.
7.4.6 Horizontal pipe steel supports are used for single cylindrical roller components; pipe clamp saddles and welded saddles are used f...
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