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Telescopic flanged butterfly valve

A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category.

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Classification:

Ductile iron valve series

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Description


A valve is a mechanical device that controls the flow rate, flow direction, pressure, temperature, etc. of a flowing fluid medium. Valves are the basic components in piping systems. Valve fittings, like pumps in technology, are often discussed as a separate category. The valve may be operated manually or with a hand wheel, handle or pedal, and may also be controlled to vary the pressure, temperature and flow rate of the fluid medium. The valve can perform continuous or repeated operations on these changes, such as safety valves installed in hot water systems or steam boilers. In more complex control systems, automatic control valves are used as required by external inputs (I. e., to adjust the changing set point of the flow through the pipeline). The automatic control valve does not need to be manually operated according to its input and setting, so that the valve can accurately control the various requirements of the fluid medium. Valves can also be divided into cast iron valves, cast steel valves, stainless steel valves, chromium molybdenum steel valves, chromium molybdenum vanadium steel valves, dual phase steel valves, plastic valves, non-standard customized valve materials, etc.

◆Main technical parameters

Model SD341X-10
Nominal pressure (PN) 6 10 16
Sealing test (MPa) 0.66 1.1 1.76
Shell pressure (MPa) 0.9 1.5 2.4
Applicable temperature (≤ ℃) 80
Applicable media Water/oil, etc.

 

◆ Material of main components

Part Name Materials
Valve body ductile iron
Butterfly plate ductile iron
Sealing ring Rubber
Stem Stainless Steel
Packing flexible graphite

 

◆ Main outline connection dimension

Nominal pressure (PN) DN Maximum L2 Middle L The shortest L1 D D1 D2 Z-Fd H1 H2
PN1.0MPa 100 196 190 164 220 180 156 8-19 120 239
150 227 210 192 285 240 211 8-23 124 278
200 247 230 212 340 295 266 8-23 170 295
250 267 250 230 395 350 319 12-23 198 357
300 286 270 252 445 400 370 12-23 218 353
350 310 290 270 505 460 429 16-23 253 427
400 332 310 290 565 515 480 16-28 285 465
450 352 330 310 615 565 530 20-28 310 490
500 375 350 330 670 620 582 20-28 340 520
600 420 390 360 780 725 682 20-31 397 610
700 465 430 395 895 840 794 24-31 467 690
800 510 470 430 1015 950 901 24-34 530 765
900 555 510 465 1115 1050 1001 28-34 595 830
1000 600 550 500 1230 1160 1112 28-37 670 910
1200 690 630 570 1455 1380 1328 32-40 785 1030
1400 780 710 640 1675 1590 1530 36-43 835 1180
PN0.6MPa 1600 860 790 750 1830 1760 1710 40-49 1100 1300
1800 940 870 800 2045 1970 1918 44-49 1180 1400
2000 1020 950 880 2265 2180 2125 48-49 1300 1580

Note: The flange size in this table is in accordance with GB/T17241.6 standard, and the structure length is in accordance with GB/T12221-2005 standard. The products can be produced according to ISO5211 international standards.

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