The Ductile Iron Butterfly Valve Plant specializes in manufacturing high-quality Wafer Butterfly Valves that adhere to the stringent ASME B16.34 standard. These valves are available in sizes ranging from 1.5 to 60 inches and are rated for Class 150 LB pressure. They feature a soft sealing mechanism with a PTFE seat, ensuring reliable and leak-free performance. The valves are operated via a worm gear mechanism, providing smooth and precise control.
Product Name: Ductile Iron Wafer Butterfly Valve
Design Standard: ASME B16.34
Body Material: Ductile Iron
Seat Material: PTFE
Size Range: 1.5-60 Inches
Pressure: 1.0/1.6 MPA, PN10, PN16, Class 150 LB
Temperature: 0°C to 150°C
Operation: Worm Gear
End Connection: Wafer
Applicable Media: Fresh water, wastewater, seawater, air, steam, food, pharmaceuticals, various oils, acids, alkalis, salts, etc.
Product Range
Valve Material: Ductile Iron, Cast Steel, SS 304, SS 316, SS 316L, Copper Body C9554, etc.
Disc Material: Graphite, SS 304, SS 316, Duplex 2507, EN 1.4529, EN 1.4469, Rubber, PTFE, PFA, etc.
Seat Material: EPDM, Viton, Neoprene, Teflon, Silicone, HNBR, Silicone, etc.
Stem Material: Galvanized Steel, 45# Steel, Stainless Steel 416/304/316, etc.
Manual Device: Hydraulic handle, Manual handle, Stainless steel handle, Worm gear, Underground head, Signal head, Electric actuator, Pneumatic actuator, etc.
Valve Type: Soft Seal Butterfly Valve, Flanged Butterfly Valve, Desulfurization Butterfly Valve, Fire Butterfly Valve, Marine Butterfly Valve, Grooved Butterfly Valve, etc.
Size Range: DN25-DN2400, 1-96 Inches
Medium: Water, Cold water, Hot water, Sewage, Chemical liquid, Seawater, Gas, Dust, Oil, etc.
Working Pressure: 0.6 Mpa, 1.0 Mpa, 1.6 Mpa, 2.5 Mpa, etc.
Working Temperature: -20°C to 150°C, etc.
Worm Gear Soft Sealing Wafer Butterfly Valve Main Parameters
Nominal Diameter (mm) |
DN50- DN2000 |
DN50-DN 1600 |
|
Nominal Pressure PN |
0.6MPa |
1.0MPa |
1.6MPa |
Seal Test |
0.66MPa |
1.1MPa |
1.76MPa |
Strength Test |
0.9MPa |
1.5MPa |
2.4MPa |
Applicable Temperature |
-40°C to 90°C (EPDM), -20°C to 200°C (FKM) |
||
Applicable Medium |
Water, air, natural gas, petroleum and weakly corrosive fluids |
||
Leakage Rate |
Meets GB/T 13927-92 standard |
||
Drive Method |
Manual, electric, pneumatic, hydraulic |
Main Parts Materials for Worm Gear Soft Sealing Wafer Butterfly Valve
Part Name |
Material |
Body |
SS 304, SS 316 |
Disc |
SS 304, SS 316 |
Shaft |
2Cr13 |
Sealing Ring |
EPDM Oil-resistant rubber |
Filling Material |
Graphite |
Standards for Worm Gear Soft Sealing Wafer Butterfly Valve
Standard Type |
Standard Number |
Manufacturing Standard |
GB/T 12237-89 |
Legal Standard |
GB 9113-2000, GB 17241.6-1998 |
Structural Length Standard |
GB 12221-89 |
Inspection Standard |
GB/T 13927-92 |
Main Connection Dimensions for Worm Gear Soft Sealing Wafer Butterfly Valve
DN |
L |
H |
H0 |
A |
B |
D0 |
n-d |
D0 |
n-d |
n-d |
L6MPa |
50 |
43 |
63 |
306 |
180 |
200 |
110 |
4-14 |
125 |
4-18 |
125 |
4-18 |
65 |
46 |
70 |
321 |
180 |
200 |
130 |
4-14 |
145 |
4-18 |
145 |
4-18 |
80 |
46 |
83 |
346 |
180 |
200 |
150 |
4-18 |
160 |
8-18 |
160 |
8-18 |
100 |
52 |
105 |
387 |
180 |
200 |
170 |
4-18 |
180 |
8-18 |
180 |
8-18 |
125 |
56 |
115 |
411 |
180 |
200 |
200 |
8-18 |
210 |
8-18 |
210 |
8-18 |
150 |
56 |
137 |
447 |
270 |
280 |
225 |
8-18 |
240 |
8-22 |
240 |
8-22 |
200 |
60 |
164 |
572 |
270 |
280 |
280 |
8-18 |
295 |
8-22 |
295 |
8-22 |
250 |
68 |
206 |
646 |
270 |
280 |
335 |
12-18 |
350 |
12-22 |
350 |
12-26 |
300 |
78 |
230 |
738 |
380 |
420 |
395 |
12-22 |
400 |
12-26 |
400 |
12-26 |
350 |
78 |
248 |
761 |
380 |
420 |
445 |
12-22 |
460 |
16-22 |
460 |
16-26 |
400 |
82 |
289 |
877 |
450 |
470 |
495 |
16-22 |
515 |
16-26 |
515 |
16-30 |
450 |
114 |
320 |
938 |
480 |
490 |
550 |
16-22 |
565 |
20-26 |
565 |
20-30 |
500 |
127 |
343 |
993 |
480 |
490 |
600 |
20-22 |
620 |
20-26 |
620 |
20-33 |
600 |
154 |
413 |
1131 |
480 |
490 |
705 |
20-26 |
725 |
20-30 |
725 |
20-36 |
700 |
165 |
478 |
1476 |
640 |
660 |
810 |
24-26 |
840 |
24-30 |
840 |
24-36 |
800 |
190 |
525 |
1533 |
640 |
660 |
920 |
24-30 |
950 |
24-33 |
950 |
24-39 |
900 |
203 |
585 |
1655 |
750 |
860 |
1020 |
24-30 |
1050 |
28-31 |
1050 |
28-39 |
1000 |
216 |
640 |
1765 |
850 |
900 |
1120 |
28-30 |
1160 |
28-36 |
1170 |
28-42 |
1200 |
254 |
755 |
1995 |
850 |
900 |
1340 |
32-33 |
1380 |
32-39 |
1390 |
32-4 |