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Location:PRODUCTS >> Globe Valve >> American standard bevel gear cut-off valve
American standard bevel gear cut-off valve
Model: J541H
Nominal diameter: NPS2 "-32"
Nominal pressure: Class150 ~ 900Lb
Operating temperature: carbon steel -29 ℃ ~ 425 ℃;
low temperature steel -46 ℃ ~ 350 ℃,
chromium-molybdenum steel -29 ℃ ~ 550 ℃.
electric, pneumatic, hydraulic, gear, etc.: driving system
Design and manufacturing: B16.34 BS1873 ANSI
Structural length: ANSI B 16.10
Pressure temperature rating: ANSI B16.5
Test and test: API 598

Bevel gear American Standard globe valve J541H (large diameter globe valve) Product Description:

The   opening and closing parts of the bevel gear cut-off valve are   plug-shaped clappers, the sealing surface is flat or conical, and the   valve claw moves linearly along the center line of the fluid. Stem   movement form, lifting rod (stem lift, hand wheel does not lift), there   are lifting rotary rod (hand wheel with the stem rotating together, the   nut is located in the valve body). Globe valve only applies to fully   open and fully closed, does not allow for regulation and throttling.

American   standard globe valve API and ASME standards, ASTM, ASTM is the material   standard, not the valve itself; according to the American standard   design, manufacture, production and testing of the globe valve is called   the American standard globe valve. American standard stop valve and   flange stop valve belong to the same type of valve, the closure is a   valve flap, valve stem around the centerline for rotation to achieve   open, close a valve.


American standard bevel gear valve J541H main advantages:

American   standard stop valve in the pipeline is mainly used to cut off,   distribution and change the flow direction of the medium. American   standard stop valve is widely used in recent years, a new type of valve,   which has the following advantages:

1, the fluid resistance is small, the resistance coefficient and the same length of the pipe section.

2, simple structure, small size, light weight.

3,   close and reliable, the current gate valve sealing surface material   widely used plastic, good sealing, vacuum system has also been widely   used.

4, easy to operate, quickly open and close, as long as the full turn to 90 degrees off, easy to remote control.

5,   easy maintenance, gate valve structure is simple, the seals are   generally active, demolition and replacement are more convenient.

6,   in the fully open or fully closed, the ball and seat sealing surface   and media isolation, media will not cause the valve sealing surface   erosion.

7, a wide range of applications, the path from small to a   few millimeters, up to a few meters, from high vacuum to high pressure   can be applied, the ball rotated 90 degrees, the entrance and exit   should be all spherical, thus cutting off the flow.


design standards:

Design and manufacture Structure length

Flange size

Butt welding connection size Pressure - Temperature Test - test
ANSI B16.34 BS1873 ANSI B16.10 ANSI B16.5 ANSI B16.25 ANSI B16.34 API 598


Pressure test:       
Nominal pressure PN (Lb) Strength test Water seal test Gas seal test
MPa Lbf / in2 MPa Lbf / in2 MPa Lbf / in2
150 3.0 430 2.2 315                                   0.4-0.7                                   60-100
300 7.7 1110 5.7 815
600 15.3 2220 11.3 1630
900 23.0 3330 17.0 2445
1500 38.4 5560 28.2 4080
2500 64.0 9255 47.0 6790


Main dimensions and weight:

DN 150Lb convex flange (RF) main dimensions Dimensions (mm) Weight 
mm in L D D1 D2 b n-φd H D0
15 1/2 108 89 60.5 35 11.2 4-16 241 100 6.9
20 3/4 117 98 69.9 43 12.7 4-16 241 100 9.8
25 1 127 108 79.2 51 14.2 4-16 242 125 13.5
32 11/4 140 117 89 63 16 4-16 280 160 19.5
40 11/2 165 127 98.6 73 17.5 4-16 286 160 28.5
50 2 203 152 120.7 92 19 4-19 368 200 18
65 21/2 216 178 139.7 105 22.4 4-19 387 200 30
80 3 241 190 152.4 127 24 4-19 411 250 41
100 4 292 229 190.5 157 24 4-19 454 250 64
125 5 356 254 216.0 186 24 8-22.5 455 350 86
150 6 406 279 241.3 216 25.4 8-22.5 541 350 113
200 8 495 343 298.5 270 28.4 8-22.5 651 450 178
250 10 622 406 362.0 324 30.2 12-25.4 800 450 270
300 12 698 483 431.8 381 32 12-25.4 1231 600 350
350 14 787 533 476.3 413 35 12-29 1450 600 460
400 16 914 597 539.8 470 36.6 26-29 1645 600 590


DN 300Lb convex flange (RF) main dimensions Dimensions (mm) weight
15 1/2 152 95 66.5 35 14.2 4-16 241 140 7.7
20 3/4 178 117 82.5 43 16 4-19 241 140 11.3
25 1 203 123 89 51 17.5 4-19 283 160 16.8
32 11/4 216 133 98.5 63 19 4-19 320 200 21.2
40 11/2 229 155 114.3 73 20.6 4-22.5 322 200 32.6
50 2 267 165 127 92 22.4 8-19 399 200 25
65 21/2 292 190 149.4 105 25.4 8-22.5 438 250 30
80 3 318 210 168.1 127 28.4 8-22.5 464 280 35
100 4 356 254 200.2 157 31.8 8-22.5 565 350 56
125 5 400 279 235 186 35 8-22.5 614 350 96
150 6 444 318 269.7 216 36.6 12-25.4 717 400 120
200 8 559 381 330.2 270 41.2 12-25.4 930 500 212
250 10 622 444 387.4 324 47.8 16-28.5 1012 550 330
300 12 711 521 450.8 381 50.8 16-32 1231 600 472
350 14 762 584 514.4 413 54 20-32 1450 600 715
400 16 864 648 571.5 470 57.2 20-35 1645 600 920
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