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U Type Butterfly Valve

Size:DN100~DN 2000

Pressure:PN10/PN16/150 psi/200 psi

Standard:

Face to face: EN558-1 Series 20,API609

Flange connection: EN1092 PN6/10/16,ANSI B16.1,JIS 10K

Top flange: ISO5211


Characteristics:


1.Correcting holes are made on flange according to standard, easy correcting during the installation.

2.Through-out bolt or one-side bolt used,easy replacing and maintenance.

3. Phenolic backed seat or aluminium backed seat:Non-collapsible,stretch resistant,blow out proof,field replaceble.

Description:


UD Series hard seated butterfly valve is Wafer pattern with flanges ,the face to face is EN558-1 20 series as wafer type.


Material of Main Parts: 


Parts

Material

Body

CI,DI,WCB,ALB,CF8,CF8M

Disc

DI,WCB,ALB,CF8,CF8M,Rubber Lined Disc,Duplex stainless steel,Monel

Stem

SS416,SS420,SS431,17-4PH

Seat

NBR,EPDM,Viton,PTFE

Taper Pin

SS416,SS420,SS431,17-4PH



Applications:

 

Water and waste water treatment,sea water desalination,irrigation,cooling system,electric power,sulfur removal,petroleum refining,oilfield,mining,HAVC,etc 

DN A B H D0 C D K   d N-do 4-M b D1 D2 N-d1 F Φ2 W J
10 16 10 16 10 16 10 16
150 226 139 28 156 56 285 240 240 188   8-23 8-23 19 90 70 4-10 13 18.92 5 20.92
200 260 175 38 202 60 340 295 295 238   8-23 12-23 20 125 102 4-12 15 22.1 5 24.1
250 292 203 38 250 68 405 350 355 292   12-23 12-28 22 125 102 4-12 15 28.45 8 31.45
300 337 242 38 302 78 460 400 410 344   12-23 16-28 24.5 125 102 4-12 20 31.6 8 34.6
350 368 267 45 333 78 520 460 470 374   16-23 12-31 24.5 150 125 4-14 20 31.6 8 34.6
400 400 325 51 390 102 580 515 525 440   12-28 16-31 4-M24 4-M27 24.5 175 140 4-18 22 33.15 10 36.15
450 422 345 51 441 114 640 565 585 491   16-28 16-31 4-M24 4-M27 25.5 175 140 4-18 22 37.95 10 40.95
500 480 378 57 492 127 715 620 650 535   16-28 16-34 4-M24 4-M30 26.5 175 140 4-18 22 41.12 10 44.12
600 562 475 70 593 154 840 725 770 654   16-31 16-37 4-M27 4-M33 30 210 165 4-22 22 50.63 16 54.65
700 624 543 66 695 165 910 840 840 744   20-31 20-37 4-M27 4-M33 32.5 300 254 8-18 30 63.35 18 71.4
800 672 606 66 795 190 1025 950 950 850   20-34 20-41 4-M30 4-M36 35 300 254 8-18 30 63.35 18 71.4
900 720 670 110 865 200 1125 1050 1050 947   24-34 24-41 4-M30 4-M36 37.5 300 254 8-18 34 75 20 84

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