Plate Flange
● Civil water supply and drainage, secondary heating pipe networks in residential communities, central air conditioning ventilation pipelines;
● Atmospheric storage tanks, sewage treatment, reclaimed water reuse, low-pressure pipelines for ordinary circulating water;
● Low-pressure compressed air inside plant areas, normal-temperature clean water, auxiliary pipelines without flammable and explosive media;
● Supporting facilities of small general equipment, municipal low-pressure tap water, low-pressure fire branch pipelines.
Product Model
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Description
- 产品描述
-
Product Overview
It adopts a flat disc structure without hub. The pipe is inserted directly into the flange bore and fixed by a single external fillet weld. Without tapered transition hub, it is easy to machine and mostly fabricated from cut steel plate.
Core Technical Parameter Table
Parameter Item Parameter Value Abbreviation PL Full Product Name Plate Flange GB Standard Materials Carbon Steel:20#
Alloy Steel:16Mn、20MnMo、15CrMo、12Cr1MoV、14Cr1Mo、12Cr2Mo1、12Cr2Mo1V、12Cr5Mo、10Cr9Mo1VNbN、30CrMo、35CrMo
Low Temperature Steel:16MnD、20MnMoD、09MnNiD
Austenitic Stainless Steel:S30408 (304)、S30403 (304L)、S30409 (304H)、S32168 (321)、S32169 (321H) 、S34778 (347)、S34779 (347H) 、S31608 (316) 、S31603 (316L) 、S31609 (316H)
Duplex Stainless Steel:S22053 (2205)ASTM & ASME Materials Carbon Steel:A105
Low Temperature Carbon Steel (A350):LF2、LF3、LF6
Line Pipe Steel (A694):F52、F60、F65、 F70
Low Alloy Steel (A182):F5、F5a、F9、F91、F92、F11 (Cl.1/2/3)、F22 (Cl.1/3)
Austenitic Stainless Steel (A182):F304、F304L、F304H、F316、F316L、F316H、F321、F321H、F347、F347H
Duplex Stainless Steel (A182):F51 (2205)、F60 (S32205)PN Pressure Rating (GB Standard) PN06～PN100 Certifications API/ISO/CE Payment Terms L/C, D/P, T/T Delivery Lead Time 10-45 day Production Capacity 5000TONS/MONTH Applicable Standard The company manufactures flange products complying with international and domestic standards including ANSI B16.5, ASME B16.47/16.48, DIN EN 1092-1/2, JIS B2220, GOST 12821-80, GB/T 9124.1, SH/T 3406, SH/T 3426, SH/T 3425, HG/T 20615 and HG/T 20592. Product Parameters
● HG/T20593-2009 (PL)
PN6
（mm）
Nominal Dimension
DNOutside Diameter of Pipe
A1Flange Outside Diameter
DConnection Dimension Flange Thickness
CFlange Bore
B1Bolt Circle Diameter
KBolt Hole Diameter
LNumber of Bolt Holes
n(pcs)Bolt
ThA B A B 10 17.2 14 75 50 11 4 M10 12 18 15 15 21.3 18 80 55 11 4 M10 12 22.5 19 20 26.9 25 90 65 11 4 M10 14 27.5 26 25 33.7 32 100 75 11 4 M10 14 34.5 33 32 42.4 38 120 90 14 4 M12 16 43.5 39 40 48.3 45 130 100 14 4 M12 16 49.5 46 50 60.3 57 140 110 14 4 M12 16 61.5 59 65 76.1 76 160 130 14 4 M12 16 77.5 78 80 88.9 89 190 150 18 4 M16 18 90.5 91 100 114.3 108 210 170 18 4 M16 18 116 110 125 139.7 133 240 200 18 8 M16 20 143.5 135 150 168.3 159 265 225 18 8 M16 20 170.5 161 200 219.1 219 320 280 18 8 M16 22 221.5 222 250 273 273 375 335 18 12 M16 24 276.5 276 300 323.9 325 440 395 22 12 M20 24 328 328 350 355.6 377 490 445 22 12 M20 26 360 381 400 406.4 426 540 495 22 16 M20 28 411 430 450 457 480 595 550 22 16 M20 30 462 485 500 508 530 645 600 22 20 M20 30 513.5 535 600 610 630 755 705 26 20 M24 32 616.5 636 PN10
（mm）
Nominal Dimension
DNOutside Diameter of Pipe
A1Flange Outside Diameter
DConnection Dimension Flange Thickness
CFlange Bore
B1Bolt Circle Diameter
KBolt Hole Diameter
LNumber of Bolt Holes
n(pcs)Bolt
ThA B A B 10 17.2 14 90 60 14 4 M12 14 18 15 15 21.3 18 95 65 14 4 M12 14 22.5 19 20 26.9 25 105 75 14 4 M12 16 27.5 26 25 33.7 32 115 85 14 4 M12 16 34.5 33 32 42.4 38 140 100 18 4 M16 18 43.5 39 40 48.3 45 150 110 18 4 M16 18 49.5 46 50 60.3 57 165 125 18 4 M16 19 61.5 59 65 76.1 76 185 145 18 8 M16 20 77.5 78 80 88.9 89 200 160 18 8 M16 20 90.5 91 100 114.3 108 220 180 18 8 M16 22 116 110 125 139.7 133 250 210 18 8 M16 22 143.5 135 150 168.3 159 285 240 22 8 M20 24 170.5 161 200 219.1 219 340 295 22 8 M20 24 221.5 222 250 273 273 395 350 22 12 M20 26 276.5 276 300 323.9 325 445 400 22 12 M20 26 328 328 350 355.6 377 505 460 22 16 M20 28 360 381 400 406.4 426 565 515 26 16 M24 32 411 430 450 457 480 615 565 26 20 M24 36 462 485 500 508 530 670 620 26 20 M24 38 513.5 535 600 610 630 780 725 30 20 M27 42 616.5 636 PN16
（mm）
Nominal Dimension
DNOutside Diameter of Pipe
A1Flange Outside Diameter
DConnection Dimension Flange Thickness
CFlange Bore
B1Groove Width
bBolt Circle Diameter
KBolt Hole Diameter
LNumber of Bolt Holes
n(pcs)Bolt
ThA B A B 10 17.2 14 90 60 14 4 M12 14 18 15 4 15 21.3 18 95 65 14 4 M12 14 22.5 19 4 20 26.9 25 105 75 14 4 M12 16 27.5 26 4 25 33.7 32 115 85 14 4 M12 16 34.5 33 5 32 42.4 38 140 100 18 4 M16 18 43.5 39 5 40 48.3 45 150 110 18 4 M16 18 49.5 46 5 50 60.3 57 165 125 18 4 M16 19 61.5 59 5 65 76.1 76 185 145 18 8 M16 20 77.5 78 6 80 88.9 89 200 160 18 8 M16 20 90.5 91 6 100 114.3 108 220 180 18 8 M16 22 116 110 6 125 139.7 133 250 210 18 8 M16 22 143.5 135 6 150 168.3 159 285 240 22 8 M20 24 170.5 161 6 200 219.1 219 340 295 22 12 M20 26 221.5 222 8 250 273 273 405 355 26 12 M24 29 276.5 276 10 300 323.9 325 460 410 26 12 M24 32 328 328 11 350 355.6 377 520 470 26 16 M24 35 360 381 12 400 406.4 426 580 525 30 16 M27 38 411 430 12 450 457 480 640 585 30 20 M27 42 462 485 12 500 508 530 715 650 33 20 M30 46 513.5 535 12 600 610 630 840 770 33 20 M30 52 616.5 636 12 PN25
（mm）
Nominal Dimension
DNOutside Diameter of Pipe
A1Flange Outside Diameter
DConnection Dimension Flange Thickness
CFlange Bore
B1Groove Width
bBolt Circle Diameter
KBolt Hole Diameter
LNumber of Bolt Holes
n(pcs)Bolt
ThA B A B 10 17.2 14 90 60 14 4 M12 14 18 15 4 15 21.3 18 95 65 14 4 M12 14 22.5 19 4 20 26.9 25 105 75 14 4 M12 16 27.5 26 4 25 33.7 32 115 85 14 4 M12 16 34.5 33 5 32 42.4 38 140 100 18 4 M16 18 43.5 39 5 40 48.3 45 150 110 18 4 M16 18 49.5 46 5 50 60.3 57 165 125 18 4 M16 20 61.5 59 5 65 76.1 76 185 145 18 8 M16 22 77.5 78 6 80 88.9 89 200 160 18 8 M16 24 90.5 91 6 100 114.3 108 235 190 22 8 M20 26 116 110 6 125 139.7 133 270 220 26 8 M24 28 143.5 135 6 150 168.3 159 300 250 26 8 M24 30 170.5 161 6 200 219.1 219 360 310 26 12 M24 32 221.5 222 8 250 273 273 425 370 30 12 M27 35 276.5 276 10 300 323.9 325 485 430 30 16 M27 38 328 328 11 350 355.6 377 555 490 33 16 M30 42 360 381 12 400 406.4 426 620 550 36 16 M33 46 411 430 12 450 457 480 670 600 36 20 M33 50 462 485 12 500 508 530 730 660 36 20 M33 56 513.5 535 12 600 610 630 845 770 39 20 M36×3 68 616.5 636 12 PN40
（mm）
Nominal Dimension
DNOutside Diameter of Pipe
A1Flange Outside Diameter
DConnection Dimension Flange Thickness
CFlange Bore
B1Groove Width
bBolt Circle Diameter
KBolt Hole Diameter
LNumber of Bolt Holes
n(pcs)Bolt
ThA B A B 10 17.2 14 90 60 14 4 M12 14 18 15 4 15 21.3 18 95 65 14 4 M12 14 22.5 19 4 20 26.9 25 105 75 14 4 M12 16 27.5 26 4 25 33.7 32 115 85 14 4 M12 16 34.5 33 5 32 42.4 38 140 100 18 4 M16 18 43.5 39 5 40 48.3 45 150 110 18 4 M16 18 49.5 46 5 50 60.3 57 165 125 18 4 M16 20 61.5 59 5 65 76.1 76 185 145 18 8 M16 22 77.5 78 6 80 88.9 89 200 160 18 8 M16 24 90.5 91 6 100 114.3 108 235 190 22 8 M20 26 116 110 6 125 139.7 133 270 220 26 8 M24 28 143.5 135 6 150 168.3 159 300 250 26 8 M24 30 170.5 161 6 200 219.1 219 375 320 30 12 M27 36 221.5 222 8 250 273 273 450 385 33 12 M30 42 276.5 276 10 300 323.9 325 515 450 33 16 M30 48 328 328 11 350 355.6 377 580 510 36 16 M33 54 360 381 12 400 406.4 426 660 585 39 16 M36×3 60 411 430 12 450 457 480 685 610 39 20 M36×3 66 462 485 12 500 508 530 755 670 42 20 M36×3 72 513.5 535 12 600 610 630 890 795 48 20 M45×3 84 616.5 636 12 Production Process
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Qualification
Plate Flange
● Civil water supply and drainage, secondary heating pipe networks in residential communities, central air conditioning ventilation pipelines;
● Atmospheric storage tanks, sewage treatment, reclaimed water reuse, low-pressure pipelines for ordinary circulating water;
● Low-pressure compressed air inside plant areas, normal-temperature clean water, auxiliary pipelines without flammable and explosive media;
● Supporting facilities of small general equipment, municipal low-pressure tap water, low-pressure fire branch pipelines.
OUR SERVICE
We offers a wealth of product support resources, including a range of technical and downloadable product manuals to product certifications.
Our Service Product CatalogCOMPANY STRENGTHS
Experience
26 years of professional pipe fittings production and customization experience, with 45 senior technical engineers to support project development.
OEM/ODM
Full support OEM & ODM customization. We produce carbon/alloy/stainless steel fittings with 1000+ specs complying with GB, ASME, DIN, JIS standards.
Reliable Quality
Strict raw material selection & full-process inspection. Our lab equips complete devices for chemical analysis, mechanical test and NDT.
Certification
Possess full authoritative qualifications: ISO triple system, API Spec Q1, national pressure pipeline manufacturing license, EN10204 test certificates available.
Export
Located in Mengcun pipe fittings hub adjacent to Huanghua Port. Products cover all China provinces and export to Southeast Asia, Middle East, South America and more.
Advanced Equipment & Tech
200+ sets of advanced forging, CNC machining and full inspection equipment, annual output reaches 20,000 tons of high-pressure pipe fittings.