Viral Industries is a leading rising valve gearbox manufacturer and supplier in USA, Europe, Canada, and Gulf. Our state-of-the-art facility, advanced technology, and skilled team of engineers and technicians allow us to produce rising valve gearboxes that are durable, efficient, and customizable to meet specific needs. We are proud to be recognized as a leading manufacturer of rising valve gearboxes and look forward to serving you. Furthermore, our Rising Valve Gearbox can deliver torque ranging between 300 Nm - 50000 Nm (221 lbf-ft - 36,880 lbf-ft).

Don't delay, make the call and discover the exceptional quality and performance that Viral Industries delivers.

Note: Our manufacturing unit is only in India, but we export rising valve gearboxes to the USA, Europe, Canada, and Gulf.

  1. Rising Valve Gearbox (VGB Models for Manual or Hand-Wheel Operation)

Viral Ind. Model No. Output Torque Capacity Gear Ratio M.A. (±10%) Thrust (kN.) Hand-Wheel Diameter Hand-wheel Effort
Nm. lbf-ft mm Inch lbs Kilogram
VGB 300 300 221 2.5:1 2.17 90 300 12 208 94
VGB 470 470 347 3:1 2.64 120 400 16 200 91
VGB 600 600 443 3.25:1 2.86 150 400 16 236 107
VGB 1000 1000 738 3.73:1 4.5:1 3.3 4 230 500 20 274 224 124 102
VGB 1500 1500 1106 4:1 6.3:1 3.52 5.53 263 500 20 383 244 174 111
VGB 2500 2500 1844 5.9:1 5.2 326 600 24 362 164
VGB 4000 4000 2950 6:1 5.28 450 600 24 568 258
VGB 6000 6000 4425 6.1:1 5.38 680 750 30 669 304
VGB 8000 8000 5900 6.1:1 5.38 900 750 30 892 405
VGB 10000 10000 7376 5.8:1 5.08 1150 900 36 983 446
VGB 13000 13000 9588 5.3:1 4.69 1420 900 36 1385 628
VGB 16000 16000 11801 5.3:1 4.69 1650 900 36 1704 773
VGB 20000 20000 14751 5.2:1 4.60 2200 1000 40 1958 888
VGB 30000 30000 22127 5.3:1 4.69 3350 1000 40 2876 1304
VGB 50000 50000 36880 6.25:1 5.50 4800 1000 40 4090 1855

NOTE: Below models are available with higher ratio.
1. VGB-4000 WITH GEAR RATIO 8:1
2. VGB-6000 WITH GEAR RATIO 8:1
3. VGB-8000 WITH GEAR RATIO 8:1

Rising Valve Gearbox (VGB Models for Manual or Hand-Wheel Operation)

  1. Rising Valve Gearbox (VGBE Models for Actuator Operation)

Rising Valve Gearbox (VGBE Models for Actuator Operation)
Viral Ind. Model No.Output Torque CapacityGear RatioM.A.
(±10%)
Thrust
(kN.)
Input Torque CapacityMounting Flange at
Actuator Side
(ISO 5210)
Nm.lbf-ftmmInch
VGBE 3003002212.5:12.1790138102F10, F14
VGBE 4704703473:12.64120178131F10, F14
VGBE 6006004433.25:12.86150210155F10, F14
VGBE 100010007383.73:14.5:13.34230305249225184F10, F14
VGBE 1500150011064:16.3:13.525.53263426271314200F14, F16
VGBE 2500250018445.9:15.2326482356F14, F16
VGBE 4000400029506:15.28450758559F14, F16
VGBE 6000600044256.1:15.386801116823F16, F25
VGBE 8000800059006.1:15.3890014881097F16, F25, F30
VGBE 100001000073765.8:15.08115019671451F25, F30
VGBE 130001300095885.3:14.69142027702043F30, F35
VGBE 1600016000118015.3:14.69165034092514F30, F35
VGBE 2000020000147515.2:14.60220043523210F30, F35
VGBE 3000030000221275.3:14.69335063924715F30, F35, F40
VGBE 5000050000368806.25:15.50480090916705F30, F35, F40

NOTE: Below models are available with higher ratio.
1. VGBE-4000 WITH GEAR RATIO 8:1
2. VGBE-6000 WITH GEAR RATIO 8:1
3. VGBE-8000 WITH GEAR RATIO 8:1

  1. Rising Valve Gearbox with Spur Gearbox (VGBS Models for Manual or Hand-Wheel Operation)

Viral Ind. Model No. Output Torque Capacity Gear Ratio M.A. (±10%) Thrust (kN.) Hand-Wheel Diameter Hand-wheel Effort
lbs kilogram
Nm. lbf-ft A B C A B C mm Inch A B C A B C
VGBS 1000 1000 738 14:1 9:1 7:1 11.6 7.7 6.3 230 500 20 77 117 142 35 53 65
VGBS 1500 1500 1106 19:1 12:1 10:1 16.1 10.6 8.7 263 500 20 84 127 155 38 57 70
VGBS 2500 2500 1844 37:1 25:1 17.5:1 31.3 21.3 14.8 326 600 24 60 88 126 27 40 57
VGBS 4000 4000 2950 46:1 31:1 21:1 39.1 26.2 18.1 450 600 24 77 114 166 35 52 75
VGBS 6000 6000 4425 47:1 33:1 23:1 40.3 27.8 19.6 680 750 30 89 130 183 41 59 83
VGBS 8000 8000 5900 58:1 38:1 26:1 49.4 32.5 22.1 900 750 30 97 148 217 44 67 99
VGBS 10000 10000 7376 60:1 41:1 29:1 51.3 34.9 24.5 1150 900 36 98 143 204 44 65 92
VGBS 13000 13000 9588 65:1 43:1 30:1 55.5 37 25.6 1420 900 36 117 176 254 53 80 115
VGBS 16000 16000 11801 65:1 43:1 30:1 55.5 37 25.6 1650 900 36 144 216 313 65 98 142
VGBS 20000 20000 14751 76:1 49:1 33.5:1 64.7 42 28.5 2200 1000 40 139 214 316 63 97 143
VGBS 30000 30000 22127 144:1 93:1 63:1 122.6 78.7 53.3 3350 1000 40 110 171 253 50 78 115
VGBS 50000 50000 36880 186:1 124:1 87:1 158.1 105.7 74 4800 1000 40 142 213 304 65 96 138
Rising Valve Gearbox with Spur Gearbox (VGBS Models for Manual or Hand-Wheel Operation)

  1. Rising Valve Gearbox with Spur Gearbox (VGBES Models for Actuator Operation)

Rising Valve Gearbox with Spur Gearbox (VGBES Models for Actuator Operation)
Viral Ind. Model No. Output Torque Capacity Gear Ratio M.A. (±10%) Thrust (kN.) Input Torque Capacity Mounting Flange at Actuator Side (ISO 5210)
Nm. lbf-ft
Nm. lbf-ft A B C A B C A B C A B C
VGBES 1000 1000 738 14:1 9:1 7:1 11.6 7.7 6.3 230 86 130 158 63 96 117 F10, F14
VGBES 1500 1500 1106 19:1 12:1 10:1 16.1 10.6 8.7 263 93 141 172 69 104 127 F10, F14
VGBES 2500 2500 1844 37:1 25:1 17.5:1 31.3 21.3 14.8 326 80 117 168 59 87 124 F10, F14
VGBES 4000 4000 2950 46:1 31:1 21:1 39.1 26.2 18.1 450 102 153 221 75 113 163 F10, F14
VGBES 6000 6000 4425 47:1 33:1 23:1 40.3 27.8 19.6 680 149 216 306 110 159 225 F10, F14
VGBES 8000 8000 5900 58:1 38:1 26:1 49.4 32.5 22.1 900 162 246 362 119 182 267 F10, F14
VGBES 10000 10000 7376 60:1 41:1 29:1 51.3 34.9 24.5 1150 195 286 408 144 211 301 F10, F14, F16
VGBES 13000 13000 9588 65:1 43:1 30:1 55:5 37 25.6 1420 234 351 508 173 259 375 F14, F16
VGBES 16000 16000 11801 65:1 43:1 30:1 55.5 37 25.6 1650 288 432 626 213 319 462 F14, F16
VGBES 20000 20000 14751 76:1 49:1 33.5:1 64.7 42 28.5 2200 309 476 702 228 351 518 F14, F16
VGBES 30000 30000 22127 144:1 93:1 63:1 122.6 78.7 53.3 3350 245 381 563 181 281 415 F14, F16
VGBES 50000 50000 36880 186:1 124:1 87:1 158.1 105.7 74 4800 316 473 675 233 349 498 F14, F16, F25

Valve Mounting Detail

Viral Ind. Model No. Valve Side Mounting
Flange (ISO 5210)
Max. Spindle (Stem)
Diameter With Threading (mm)
VGB 300 F12, F10 30
VGB 470 F14, F12 37
VGB 600 F14, F12 45
VGB 1000 / VGBS 1000 F16, F14 55
VGB 1500 / VGBS 1500 F25, F16 57
VGB 2500 / VGBS 2500 F30, F25 70
VGB 4000 / VGBS 4000 F30, F25 75
VGB 6000 / VGBS 6000 F35, F30 100
VGB 8000 / VGBS 8000 F40, F35 110
VGB 10000 / VGBS 10000 F40, F35 115
VGB 13000 / VGBS 13000 F40, F35 125
VGB 16000 / VGBS 16000 F48, F40 130
VGB 20000 / VGBS 20000 F48, F40 150
VGB 30000 / VGBS 30000 F48, F40 170
VGB 50000 / VGBS 50000 F60, F48 180

Features:

  • Clockwise rotation of input will give clockwise rotation of output.
  • Bearings supported assembly.
  • Suitable for Actuator operation.
  • Removable stem sleeve.
  • Grease Lubricant Gearbox.
  • Spur Gear Attachment to reduce effort.
  • Available for marine application.
  • Available for Non-Rising stem valve.

Enclosure:

  • IP-65 ,IP-67, IP-68

Temperature Limit:

  • Normal application -20ËšC To 120ËšC
  • High temperature application up to 150ËšC
  • Low temperature application up to -50ËšC

Material Options for Stem Sleeve:

  • AB-2, Ni-D2, S.G.Iron, Manganese Bronze

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