Product Information

Manual Type BRM Series

Worm Reducer Used as Valve Actuator up to 90 Degrees of Valve Opening/Closing Angle

Manual Type BRM Series

Features

  • Small & Lightweight Design
    -30% or more of size and -20% or more of weight (compared with our conventional products)
  • Excellent Environmental Resistance
    ・The gear case is made of corrosion-resistant ductile (FCD450-10) casting.
    ・It is sealed by O-rings or oil seals to provide dustproof and waterproof structure (standard: IP67, option: IP68).
    Allowable ambient temperature: -25°C to +80°C
  • Abundant Lineups
    Since the number of series is increased as compared with the conventional models, an optimum model can be selected.
  • Compliant with International Flange Standards
    The interface with a valve is based on the international standard ISO 5211.
  • Long-Life Design
    It has excellent strength and durability, because the gear case is tough and ductile, the worm is made of heat-treated carbon steel for machine structural use, and the worm wheel is made of aluminum brass with high wear resistance. Moreover, maintenance is not required for a long time, because long-life multi-purpose lithium-soap-based grease is filled up enough.

Specifications

Protection Structure IP68(standard)

Type Output Specifications Mechanical Advantage Input Shaft Mass
(kg)
Allowable Torque
(Nm)
Gear Ratio Output Flange
Bolt Size
Bolt Tightening Torque
Allowable Valve Rod Diameter (mm) (Reduction Ratio x Efficiency)
Torque No. of Revs
(Nm) (Rev)
BRM-0H 500 1/40 F10
M10
16Nm
28 12 41.7 10 7.5
BRM-1H 1,000 1/40 F12
M12
32Nm
38 12 83.3 10 13
BRM-1-1SH 1/80 23.3 42.9 20 17.5
BRM-1-1BH 1/80 23.3 42.9 20 17.5
BRM-2H 2,000 1/60 F14
M16
76Nm
50 18 111.1 15 19.5
BRM-2-1SH 1/150 43.7 45.8 37.5 25
BRM-2-1BH 1/150 43.7 45.8 37.5 24
BRM-3H 3,000 1/60 F16
M20
121Nm
60 18 166.7 15 22
BRM-3-1SH 1/150 43.7 68.7 37.5 27.5
BRM-3-1BH 1/150 43.7 68.7 37.5 26.5
BRM-4H 4,000 1/60 F16
M20
162Nm
75 18 222.2 15 34.5
BRM-4-1SH 1/150 43.7 91.6 37.5 42.5
BRM-4-1BH 1/150 43.7 91.6 37.5 45.5
BRM-5-1SH 5,000 1/150 F20
M16
65Nm
75 43.7 114.5 37.5 45.5
BRM-5-1BH 1/150 43.7 114.5 37.5 48.5
BRM-10-1SH 10,000 1/180 F25
M16
105Nm
100
(95)
52.4 190.9 45 85
BRM-10-1BH 1/180 52.4 190.9 45 95.5
BRM-10-2SH 1/540 152.4 65.6 135 98
BRM-10-2BH 1/450 127 78.7 112.5 96
BRM-18-1SH 18,000 1/180 F30
M20
201Nm
115
(110)
52.4 343.6 45 137
BRM-18-1BH 1/180 52.4 343.6 45 145
BRM-18-2SH 1/540 152.4 118.1 135 153
BRM-18-2BH 1/450 127 141.7 112.5 148
BRM-40-2SH 40,000 1/960 F35
M30
562Nm
150
(145)
271 147.6 240 255
BRM-40-2BH 1/720 203.2 196.8 180 261
BRM-40-3BH 1/2,400 657.1 60.9 600 266
BRM-80-2SH 80,000 1/1,040 F40
M36
1,182Nm
180 293.6 272.5 260 480
BRM-80-2BH 1/780 220.2 363.4 195 472
BRM-80-3BH 1/3,120 854.3 93.6 780 510
BRM-150-2SH 150,000 1/1,625 F48
M36
1,242Nm
220 458.7 327 406.3 1090
BRM-150-2BH 1/1,300 367 408.8 325 1034
BRM-150-3BH 1/4,875 1,335 112.4 1,218.80 1120

*1. The torque required for driving a valve should be within the allowable torque of BRM.
*2. The number of keys to be used for connecting to the valve stem should be 1 or 2 as appropriate. Values in parentheses show those obtained when the former JIS key is used.
*3. Even the input type with a mark of x is available specially. Please contact us.
*4. The mechanical advantage means the ratio between input-shaft torque and output-shaft torque (for efficiency, worm gear: 0.3, spur/bevel gear: 0.97).
*5. The input-shaft torque shows the one obtained when the output-shaft torque is within the allowable torque.
*6. Before attaching the BRM to a valve, please ensure that the strength class of a bolt to be tightened is 10.9 or more and the length of engagement is enough. Please also ensure that the tightening torque is equal to or more than the written value.
Note: The above values are subject to change without notice.

  • Sales Agency in Japan

  • enetork This is a sales distributor of transmissions in Kyushu and Yamaguchi regions.It mainly serves as a sales agency for Seibu products.
  • Technical Partner Outside Japan

  • 西電興産株式会社 This is a manufacturer of valve actuator with a top share in South Korea.
  • Wonder Chance Machinery Industrial Co.,LTD This is a manufacturer of valve actuator with a top share in Taiwan.
  • 南京西部瀚乔电机机械有限公司 This is a manufacturer that sells valve actuator in China.
  • 九品股份有公司 This is a manufacturer of gate actuator with a top share in Taiwan
  • Terms and Conditions for Using System