Fluorine Lined Gate Valve

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Fluorine Lined Gate Valve
Fluorine Lined Gate Valve

Fluorine Lined Gate Valve

FEP (F46) and PCTFE (F3) fluorine-lined gate valves are suitable for various concentrations of aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids, and strong oxidants at -50℃~150℃. FEP is also suitable for use in pipelines with various concentrations of strong alkali organic solvents and other corrosive gases and liquid media. Z41F46 、F3-10、10C、10P Z41F46、F3-16、16C、16P、Z41F46 、F3-25 、25C 、25P、ANSI、150Lb、300Lb Fluorine lined butterfly valve standard
Technical specification
Design standard GB12238
Structural length GB12221
Flange standard HG20592
Inspection test GB/T9119-2010
Drive mode GB/T13927
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Main parts materials

Number Parts Name Ductile iron Cast steel Stainless steel Ultra-low carbon stainless steel
Q C P R PL RL
1 Valve body, bonnet, gate QT450-10 WCB CF8 CF8M CF3 CF3M
2 Lining layer/valve seat PCTFE(F3)PVDF(F2)FEP(F46)PFA(Soluble polytetrafluoroethylene)Po
3 Valve stem 1Cr13 2Cr13 Cr18Ni9 Cr18Ni12Mo2T 00Cr18Ni10 00Cr17Ni14Mo2
4 Packing, gasket Flexible Graphite  P T F E ( F 4 )
5 Middle flange screw 35 35 1Cr17Ni2 Cr17Ni2 1Cr18Ni9 1Cr18Ni9
6 Middle flange screw 45 45 0Cr18Ni9 0Cr18Ni9 0Cr18Ni9 0Cr18Ni9
7 Bracket HT250WCB CF8
8 Valve stem nut ZCuAi10Fe3 A439 D2
9 Handwheel KT330-08WCC

Main shape and connection dimension

Nominal diameter Standard value Reference value
DN(mm) NPS(in) L D D1 D2 z-φd Do H H1 W(kg)
PN   (MPa)
15 1/2 130 95 65 45 2 14 4-14 120 110 25 6
20 3/4 150 05 75 55 16 4- 14 40 40
25 1 160 15 85 65 16 4-14 140 132 55 8
32 11/4 180 35 100 78 18 4-18 160 156 85 11
40 11/2 240 45 110 85 18 4-18 200 167 210 20
50 250 60 125 100 20 4-18 200 358 410 28
65 21/2 270 80 145 20 20 4-18 250 375 440 32
80 3 280 195 160 135 22 4-18 250 435 515 45
100 4 300 215 180 155 22 3-18 280 500 600 60
125 5 325 245 210 85 24 8-18 280 615 740 10
150 9 350 280 240 210 24 23 400 675 325 20
200 8 400 335 295 265 26 8- 23 400 820 1020 50
250 10 450 390 350 320 28 12–23 450 970 1220 240
300 12 500 440 400 368 28 12- 23 500 1145 1445 340
350 14 550 500 460 428 30 16–23 600 1280 1630 550
400 16 600 565 515 482 32 16–25 600 1450 1850 680
450 18 650 615 565 532 32 20-25 650 1538 1988 795
500 20 700 670 620 585 4 34 20–25 650 1730 2230 880

Main shape and connection dimensions

Nominal diameter Standard value Reference value
DN(mm) NPS(in) L D D1 D2 z-φd Do H H1 W(kg)
Pa)
15 1/2 30 95 65 45 4-14 120 110 125 7
20 3/4 105 75 55 16 14 20 140 8
25 1 60 115 85 65 2 16 4-14 140 132 155 9
32 11/4 80 135 00 78 18 4-18 160 156 185 13
40 1/2 240 145 10 85 18 4-18 200 167 210 25
50 2 250 160 25 00 3 20 4-18 200 358 410 32
65 21/2 270 180 45 20 20 4-18 250 375 440 38
100 280 195 60 135 3 22 8-18 250 500 515 50
25 5 300 215 80 55 3 24 8-18 280 615 600 68
200 8 325 245 210 85 3 26 8-18 280 820 740 25
250 10 350 280 240 210 28 8-23 400 980 830 170
300 12 400 335 295 265 3 30 12-23 400 1150 1020 210
350 14 450 405 355 320 3 32 12-25 450 12 1230 260
400 16 500 52 410 375 34 12-25 500 1455 1450 480
450 18 550 470 435 38 16-25 600 1545 1635 620
500 20 600 580 525 485 4 40 16-30 600 1735 1855 805
15 1/2 650 640 585 545 4 44 20–30 650 110 1990 880
20 3/4 700 705 650 608 4 46 20-34 650 20 2235 920
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