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HG /T 20614 - 2009 Specification for Selection of Steel Pipe Flanges , Gaskets and Bolting (PN designated)


 鋼制管法蘭、墊片、緊固件選配規定(PN系列)
公稱壓力 PN
Nominal pressure PN
2.5 6 10 16 25 40 63 100 160
突面(RF) 闆式平焊法蘭(PL)
全平面(FF)
突面(RF) 帶頸平焊法蘭(SO)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
全平面(FF)
突面(RF) 帶頸對焊法蘭(WN)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
全平面(FF)
環連接面(RJ)
突面(RF) 整體法蘭(IF)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
全平面(FF)
環連接面(RJ)
突面(RF) 承插焊法蘭(SW)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
突面(RF) 螺紋法蘭(Th)
全平面(FF)
突面(RF) 對焊環松套法蘭(PJ/SE)
突面(RF) 平焊環松套法蘭(PJ/RJ)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
突面(RF) 法蘭蓋(BL)
凹面(FM)凸面(M)
榫面(T) 槽面(G)
全平面(FF)
環連接面(RJ)
突面(RF) 襯裏法蘭蓋
凸面(M)
槽面(T)
DN 10 ~ DN 2000 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - -
DN 10 ~ DN 2000 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - - - -
- DN 10 ~ DN 300 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - -
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - -
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - -
- DN 10 ~ DN 300 DN 10 ~ DN 600 DN 10 ~ DN 600 - - - - -
- - DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 350 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 350 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 350 DN 10 ~ DN 300
- - DN 10 ~ DN 2000 DN 10 ~ DN 2000 - - - - -
- - - - - - DN 15 ~ DN 400 DN 15 ~ DN 400 DN 15 ~ DN 300
- DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 1200 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
- DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 2000 - - - - -
- - - - - - DN 15 ~ DN 400 DN 15 ~ DN 400 DN 15 ~ DN 300
- - DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 -
- - DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 -
- - DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 DN 10 ~ DN 50 -
- DN 10 ~ DN 150 DN 10 ~ DN 150 DN 10 ~ DN 150 DN 10 ~ DN 150 DN 10 ~ DN 150 - - -
- DN 10 ~ DN 150 DN 10 ~ DN 150 DN 10 ~ DN 150 - - - - -
- DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - -
- DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 - - - - -
- - DN 10 ~ DN 600 DN 10 ~ DN 600 - - - - -
- - DN 10 ~ DN 600 DN 10 ~ DN 600 - - - - -
DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 1200 DN 10 ~ DN 1200 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
- - DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 600 DN 10 ~ DN 400 DN 10 ~ DN 400 DN 10 ~ DN 300
DN 10 ~ DN 2000 DN 10 ~ DN 2000 DN 10 ~ DN 1200 DN 10 ~ DN 1200 - - - - -
- - - - - - DN 15 ~ DN 400 DN 15 ~ DN 400 DN 15 ~ DN 300
- DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 - - -
- - DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 - - -
- - DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 DN 40 ~ DN 600 - - -
墊片型式
Gasket type
墊片類型 公稱壓力 PN 公稱尺寸DN (A,B) 最高适用溫度(℃) 密封面型式 g 密封面的表面粗糙度 Ra(μm) 法蘭型式
橡膠墊片
石棉橡膠闆
非石棉纖維橡膠闆
聚四氟乙烯闆
膨脹或填充改性聚四氟乙烯闆或帶
增強柔性石墨闆
高溫雲母複合闆
聚四氟乙烯包裹墊
纏繞帶
齒形組合墊
金屬包覆墊
金屬環墊
非金屬h ≤16 10~2000 200a 突面/凹面/凸面/榫面/槽面/全平面 3.2~12.5 各種型式
非金屬h ≤25 10~2000 300 突面/凹面/凸面/榫面/槽面/全平面 3.2~12.5 各種型式
非金屬h ≤40 10~2000 290b 突面/凹面/凸面/榫面/槽面/全平面 3.2~12.5 各種型式
非金屬h ≤16 10~2000 100 突面/凹面/凸面/榫面/槽面/全平面 3.2~12.5 各種型式
非金屬h ≤40 10~2000 200 突面/凹面/凸面/榫面/槽面/全平面 3.2~12.5 各種型式
非金屬h 10~63 10~2000 650(450)c 突面/凹面/凸面/榫面/槽面 3.2~6.3 各種型式
非金屬h 10~63 10~2000 900 突面/凹面/凸面/榫面/槽面 3.2~6.3 各種型式
非金屬h 6~40 10~600 150 突面 3.2~6.3 各種型式
半金屬 16~160 10~2000 e 突面/凹面/凸面/榫面/槽面 3.2~6.3 帶頸平焊法蘭, 帶頸對焊法蘭, 整體法蘭, 承插法蘭, 法蘭蓋
半金屬 16~160 10~2000 f 突面/凹面/凸面/榫面/槽面 3.2~6.3 帶頸平焊法蘭, 帶頸對焊法蘭, 整體法蘭, 承插法蘭, 法蘭蓋
半金屬/金屬 25~100 10~900 d 突面 0.8~1.6(碳鋼、有色金屬), 0.8~1.6(不鏽鋼、鎳基合金) 帶頸對焊法蘭, 整體法蘭, 法蘭蓋
金屬 63~160 15~400 700 環連接面 0.8~1.6(碳鋼、鉻金屬), 0.8~0.8(不鏽鋼) 帶頸對焊法蘭, 整體法蘭, 法蘭蓋
①, a . 各種天然橡膠及合成橡膠使用溫度範圍不同,詳見本标準附錄 A 和 HG/ T 20606.
②, b. 非石棉纖維橡膠闆的主要原材料組成不同,使用溫度範圍不同,詳見本标準附錄 A 并可向生產廠咨詢。
③, c. 增強柔性石墨闆用于氧化性介質時,最高使用溫度為 450 ℃.
④, d. 金屬包覆墊根據包覆金屬和填充材料的不同組合,使用溫度範圍不同.詳見HG/T 20609 。
⑤, e. 纏繞墊根據金屬帶和填充材料的不同組合,使用溫度範圍不同,詳見HG/T 20610 .
⑥, f. 齒形組合墊根據金屬齒形環和覆蓋層材料的不同組合,使用溫度範圍不同。詳見HG/ T 20611
⑦, g. 各種類型法蘭的密封面型式及其适用 DN 範國見本标準表3. 0. 1。
⑧, h. 非金屬材料墊片的使用溫度和壓力的乘積( p × T) 最大值不應超過 HG/ T 20606 的規定或按本标準附錄A 确認的廠商牌号,向有關墊片生產廠咨詢.
型式
Type
标準 規格 材料或性能等級 緊固件強度 公稱壓力等級 使用溫度(℃) 使用限制
六角頭螺栓,I型六角螺母(粗、細牙)
六角頭螺栓,I型六角螺母(粗、細牙)
六角頭螺栓,I型六角螺母(粗、細牙)
六角頭螺栓,I型六角螺母(粗、細牙)
雙頭螺柱, I型六角螺母(粗、細牙)
雙頭螺柱, I型六角螺母(粗、細牙)
雙頭螺柱, I型六角螺母(粗、細牙)
雙頭螺柱, I型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
全螺紋螺柱,II型六角螺母(粗、細牙)
GB/T 5782, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 5.6 / 6 ≤PN16 >-20~+300 非有毒、非可燃介質以及非劇烈循環場合;配用非金屬平墊片
GB/T 5782, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 8.8 / 8 ≤PN16 >-20~+300 非有毒、非可燃介質以及非劇烈循環場合;配用非金屬平墊片
GB/T 5782, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 A2-50, A4-50 ≤PN16 -196~+400 非有毒、非可燃介質以及非劇烈循環場合;配用非金屬平墊片
GB/T 5782, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 A2-70, A4-70 ≤PN16 -196~+400 非有毒、非可燃介質以及非劇烈循環場合;配用非金屬平墊片
GB/T 901, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 5.6 / 6 ≤PN16 >-20~+300 非有毒、非可燃介質以及非劇烈循環場合
GB/T 901, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 8.8 / 8 ≤PN16 >-20~+300 非有毒、非可燃介質以及非劇烈循環場合
GB/T 901, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 A2-50, A4-50 ≤PN16 -196~+400 非有毒、非可燃介質以及非劇烈循環場合
GB/T 901, GB/T 6170, GB/T 6171 M10~M33, M36X3~M56X4 A2-70, A4-70 ≤PN16 -196~+400 非有毒、非可燃介質以及非劇烈循環場合
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 35CrMo / 30CrMo ≤PN160 -100~+525 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 25Cr2MoV / 30CrMo ≤PN160 >-20~+575 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 42CrMo / 30CrMo ≤PN160 -100~+525 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 0Cr18Ni9 ≤PN160 -196~+800 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 0Cr17Ni12Mo2 ≤PN160 -196~+800 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 A193, B8 Cl.2 / A194-8 ≤PN160 -196~+525 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 A193, B8M Cl.2 / A194-8M ≤PN160 -196~+525 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 A320,L7 / A174,7 ≤PN160 -100~+340 -
HG/T 20634, GB/T 6175, GB/T 6176 M10~M33, M36X3~M56X4 A453,660 / A194-8、8M ≤PN160 -29~+525 -
公稱壓力 PN
Nominal pressure PN
2.5~16 2.5~16 25 25 25 40 40 40 63 63 63 ≥100 ≥100
墊片類型
螺栓強度等級
非金屬平墊片,聚四氟乙烯包覆墊 纏繞式墊片 非金屬平墊片,聚四氟乙烯包覆墊 纏繞式墊片,具有覆蓋層的齒形墊或金屬平墊 金屬包覆墊 非金屬平墊片,聚四氟乙烯包覆墊 纏繞式墊片,具有覆蓋層的齒形墊或金屬平墊 金屬包覆墊 增強柔性石墨闆,高溫蛭石複合增強闆 纏繞式墊片,具有覆蓋層的齒形墊或金屬平墊 金屬包覆墊,金屬環墊 纏繞式墊片,具有覆蓋層的齒形墊或金屬平墊 金屬包覆墊,金屬環墊
低強度、中強度a、高強度a 中強度、高強度b 中強度、高強度b 中強度、高強度b 高強度 中強度、高強度b 中強度、高強度 高強度 中強度、高強度 中強度、高強度 高強度 中強度、高強度 高強度
①, a. 應采用全平面墊片或控制上緊扭矩。
②, b. 應控制上緊扭矩。
墊片型式
公稱壓力 PN 最高使用溫度(℃) 最大(p × T)(MPa × ℃) 公稱尺寸 DN
天然橡膠
氯丁橡膠
丁腈橡膠
丁苯橡膠
三元乙丙橡膠
氟橡膠
石棉橡膠闆,耐油石棉橡膠闆
非石棉纖維橡膠闆(無機纖維)
非石棉纖維橡膠闆(有機纖維)
聚四氟乙烯闆
膨脹或填充改性聚四氟乙烯闆或帶
增強柔性石墨闆
高溫雲母複合闆
聚四氟乙烯包覆墊
金屬包覆墊
纏繞墊
齒形組合墊
金屬環墊
2.5~16 -50~+80 60 10~2000
2.5~16 -20~+100 60 10~2000
2.5~16 -20~+110 60 10~2000
2.5~16 -20~+90 60 10~2000
2.5~16 -30~+140 90 10~2000
2.5~16 -20~+200 90 10~2000
2.5~25 -40~+300 650 10~2000
2.5~40 -40~+290 960 10~2000
2.5~40 -40~+200 - 10~2000
2.5~16 -50~+100 - 10~2000
≤40 -200~+200 - 10~2000
10~63 -240~+650(450) 1200 10~2000
10~63 -196~+900 - 10~2000
6~40 150 - 10~600
25~100 a - 10~900
16~160 b - 10~2000
16~160 c - 10~2000
83~160 700 - 15~400
①, a. 墊片的最高使用溫度按包覆金屬材料和填充材料中較低者确定。
②, b. 墊片的最高使用溫度按金屬帶材料和填充材料中較低者确定。
③, c. 墊片的最高使用溫度按覆蓋層材料和齒形金屬環材料中較低者确定。

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Hydraulic fluid power - Two-, three- and four-port screw-in cartridge valves - Cavities

ISO 7789 - 2007

Hydraulic fluid power - Two-, three- and four-port screw-in cartridge valves - Cavities

Cold heading dies for fasteners - Specifications

JB /T 4213 - 2014

Cold heading dies for fasteners - Specifications

Specification of Stamping Die Components

JB /T 7653 - 2008

Specification of Stamping Die Components

Specifications for parts and units of jigs and fixtures

JB /T 8044 - 1999

Specifications for parts and units of jigs and fixtures

Internal combustion engines - Cylinder head and flywheel nuts - Specifications

JB /T 9765.3 - 1999

Internal combustion engines - Cylinder head and flywheel nuts - Specifications

Timber structures - Dowel-type fasteners - Requirements

EN 14592 - 2022

Timber structures - Dowel-type fasteners - Requirements

Aerospace series - Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1275 MPa (at ambient temperature)/650 °C - Technical specification

EN 2583 - 2019

Aerospace series - Bolts, MJ threads, in heat resisting nickel base alloy NI-PH2601 (Inconel 718) - Classification: 1275 MPa (at ambient temperature)/650 °C - Technical specification

High-strength structural bolting assemblies for preloading - Part 1: General requirements

EN 14399-1 (requirements) - 2015

High-strength structural bolting assemblies for preloading - Part 1: General requirements

Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, class designated

EN 1515 (-3) - 2005

Flanges and their joints - Bolting - Part 3: Classification of bolt materials for steel flanges, class designated

Metallic products - Types of inspection documents

EN 10204 - 2004

Metallic products - Types of inspection documents

Flanges and their joints - bolting - Part 2: Classification of bolt materials for steel flanges, PN designated

EN 1515 (-2) - 2001

Flanges and their joints - bolting - Part 2: Classification of bolt materials for steel flanges, PN designated

Flanges and their joints - bolting - Part 1: Selection of bolting

EN 1515 (-1) - 1999

Flanges and their joints - bolting - Part 1: Selection of bolting

Aerospace series - Inserts, screw thread, helical coil, self locking - Technical specification

EN 2943 - 1998

Aerospace series - Inserts, screw thread, helical coil, self locking - Technical specification

Aerospace series - Inserts, screw thread, helical coil, self-locking - Assembly procedure

EN 2945 - 1998

Aerospace series - Inserts, screw thread, helical coil, self-locking - Assembly procedure

Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries

API 20E - 2017

Alloy and Carbon Steel Bolting for Use in the Petroleum and Natural Gas Industries

ASTM F 436 - 2011

ASTM F 436M - 2011

Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

ASTM A 394 - 2008 (R2015)

Standard Specification for Steel Transmission Tower Bolts, Zinc-Coated and Bare

Mechanical fixation component for waterproofing membrane roofing

JG /T 576 - 2021

Mechanical fixation component for waterproofing membrane roofing

Construction machinery and equipment Specification of high strength fasteners

JG /T 5057.40 - 1995

Construction machinery and equipment Specification of high strength fasteners

Fastenersart - Standard - Cap Screws, Hex Bolts, and Hex Nuts

SAE J 2295 - 1998

Fastenersart - Standard - Cap Screws, Hex Bolts, and Hex Nuts

Steel Self-Drilling Tapping Screws

SAE J 78 - 1998

Steel Self-Drilling Tapping Screws

Technical conditions for threaded fasteners with adhesive coating-Part 1: Microencapsulated locking coating

QC /T 597.1 - 2017

Technical conditions for threaded fasteners with adhesive coating-Part 1: Microencapsulated locking coating

Technical condions for threaded fasteners with adhesive coating-Part 2: Polyamlde locking coating

QC /T 597.2 - 2017

Technical condions for threaded fasteners with adhesive coating-Part 2: Polyamlde locking coating

Technical Supply Conditions For Threaded Steel Fasteners - Part 1 General Requirements For Bolts, Screws And Studs

IS 1367 (-1) - 2002

Technical Supply Conditions For Threaded Steel Fasteners - Part 1 General Requirements For Bolts, Screws And Studs

General data for machine screws and tapping screws

ASME B 18.6.3 (DATA-G) - 2013

General data for machine screws and tapping screws

Plain nuts and slotted nuts - Part 1: General specification

QJ 3146.1 - 2002

Plain nuts and slotted nuts - Part 1: General specification

HB 5516 - 1996

Disc springs - Calculation

BS EN 16984 (EN 16984) - 2016

Disc springs - Calculation

MT 187.1 - 1988

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