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Ammonia Shut-off Valve Technical Data

November 17, 2018
Ammonia Shut-off Valve

◆ Structural features and uses
1 . The middle flange is square and the stem is connected by a rod.
2 . The sealing surface of the valve body is convex in shape, and is sealed with the valve foot by wire.
3 . The sealing surface is made of babbitt alloy, which has good sealing performance and long service life.
◆ Main performance specifications
Applicable medium: liquid, gas, ammonia, nitrogen, hydrogen
Applicable temperature: -10 °C -150 °C
test pressure
Nominal pressure PN (MPa) 2.5
Test pressure (MPa) 3.75
Shell strength test 2.75
Ammonia Shut-off Valve Main parts materials
product type
Part Name
Valve body, bonnet
Valve stem
filler
Sealing surface
Gasket
fastener
J41B-16/25C
Cast steel
Carbon steel
PTFE
Basil
Asbestos Rubber Sheet
High quality carbon steel
J41B-16/25Q
Ductile iron
Carbon steel
PTFE
Babbitt alloy
Asbestos Rubber Sheet
High quality carbon steel
J41B-16/25K
Malleable cast iron
Carbon steel
PTFE
Babbitt alloy
Asbestos Rubber Sheet
High quality carbon steel
Ammonia Shut-off Valve Main size table
Nominal diameter
DN (mm) main dimensions and connection dimensions (mm)
L D D1 D2 D6 b f f2 zd H DO
J41B-16C J41B-16Q J41B-16K
10 130 90 60 40 35 14 2 4 4-14 196 120
15 130 95 65 45 40 14 2 4 4-14 196 120
20 150 105 75 55 51 16 2 4 4-14 196 140
25 160 115 85 65 58 16 2 4 4-14 204 160
32 180 135 100 78 66 18 2 4 4-18 208 160
40 200 145 110 85 76 18 3 4 4-18 248 200
50 230 160 125 100 88 20 3 4 4-18 248 200
65 290 180 145 125 110 22 3 4 4-18 321 240
80 310 195 160 135 121 24 3 4 8-18 325 240
100 350 215 180 155 150 24 3 4.5 8-18 371 280
125 400 245 210 185 176 26 3 4.5 8-18 400 320
150 480 280 240 210 204 26 3 4.5 8-23 432 320
200 600 335 295 265 260 30 3 4.5 12-23 654 400
250 650 405 335 320 313 32 3 4.5 12-25 745 500
300 700 460 410 375 364 34 3 4.5 12-25 852 600
J41B-25C J41B-25Q J41B-25K
10 130 90 60 40 35 16 2 4 4-14 196 120
15 130 95 65 45 40 16 2 4 4-14 196 120
20 150 105 75 55 51 16 2 4 4-14 196 120
25 160 115 85 65 58 18 2 d 4-14 201 120
32 180 135 100 78 66 18 2 4 4-18 208 120
40 200 145 110 85 76 20 2 d 4-18 248 160
50 230 160 125 100 88 20 3 4 4-18 248 160
65 290 180 145 125 110 22 3 4 8-18 321 240
80 310 195 160 135 121 24 3 4 8-18 325 240
100 350 230 190 160 150 24 3 4.5 8-23 371 280
125 400 270 220 188 176 30 3 4.5 8-25 400 320
150 480 300 250 218 204 30 3 4.5 8-25 432 320
200 600 360 310 278 260 34 3 4.5 12-30 654 400
250 650 425 370 332 313 42 3 4.5 12-34 745 500
300 750 485 430 390 364 46 3 4.5 12-34 852 600

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Author:

Mr. Michael Tu

Phone/WhatsApp:

+86 15997863665

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