ATB Series (A-Type, Medium Thrust)

Multi-turn Bevel Gear Operators for Manual Operation and Electrical Actuation

• Housing material options (cast steel / stainless steel)• Pinions, fasteners and hand wheel material option available in

stainless steel • Bevel gear material in aluminum bronze• High temperature variant up to +200 °C (+392 °F) & low

temperature variant up to -52 °C (-61.6 °F) available• Marine application (all exposed fasteners and shafts in

stainless steel) • Finish painting available on request• Padlock arrangement• Input flange with various mountings as per ISO 5211 available

for electric actuation steel • Extension shaft for buried service available• Twin shaft versions available on bevel gearboxes with single

reduction and double reduction auxiliary spur reducers• Dual Input (90°) / multiple input option available on all models• Chain wheel operation• Top operating option available• Lost motion option available (hammer blow)• Non-thrust option available (torque only) on all models ‘B’ type• Standard thrust version available up to 223808 lbf

OptionsStandard Features

• Robust and compact design• Widely used on valves for oil and gas, chemical, power,

waterworks, sewage, etc. • 12 models up to a torque of 159313 lb-in and thrust

of 584503 lbf• Grease filled for life• Unique top entry replaceable stem nut in aluminum bronze

material for corrosion and wear resistance• Fully sealed gearbox and completely enclosed gearing• Ductile iron casing for higher strength and alloy steel

pinions• High performance roller bearings at input and thrust

bearings on output• Epoxy primer coating• Powder coated handwheels for smooth and easy operation• Additional spur and bevel configurations available to

reduce vim pull / input effort

Model Ratio

Rated Output Torque (lb-in)

Mechanical Advantage

±10%

Input Torque (lb-in)

Valve Mtg.

Flange ISO

5211

Opt.Valve Mtg. ISO

5211

Maximum Stem

Diameter (ØD)

Maximum Thrust

(lbf)A B C D E F ØG H J ØK ØL M N

RecommendedHand wheel

Approx Weight

(lbs)

Thread Size

ATB-01M

1:1 1327.61 0.9 1469.22 F07/F10 -- 0.98 29225.16 5.31 4.13 3.46 6.77 2.60 2.28 Ø1.06 1.93 1.57 Ø1.06 Ø0.98 0.31 1.38 Ø11.81 17.641

1/2"X11TPI BSP

ATB-02M

2.5:1 2212.69 2.25 982.43 F10/F12 -- 1.18 46085.83 5.91 4.33 3.94 7.28 2.60 2.28 Ø1.26 2.38 1.69 Ø1.26 Ø0.98 0.31 1.38 Ø11.81 26.462"X11TPI

BSPATB-03M

3:1 3540.30 2.7 1309.91 F10/F12 F14 1.57 56202.24 6.65 4.45 4.33 7.91 2.60 2.28 Ø1.65 2.54 1.89 Ø1.61 Ø1.18 0.31 1.38 Ø15.75 36.112"X11TPI

BSPATB-06M

3.25:1 5310.45 2.92 1814.40 F12/14 F16 1.97 65194.59 7.60 4.80 4.25 7.36 2.60 2.28 Ø2.09 2.85 2.20 Ø2.20 Ø1.18 0.31 1.38 Ø19.69 39.682.5"X11TPI

BSPATB-11M

4:1 9735.82 3.6 2699.48 F14/F16 -- 2.17 93295.71 8.98 5.71 5.47 8.54 2.60 2.28 Ø2.20 3.37 2.44 Ø2.17 Ø1.18 0.31 1.38 Ø23.62 82.233"X11TPI

BSPATB-16M

4.5:1 14161.19 4.05 3496.04 F16/F20 F25 2.68 141629.63 10.83 6.61 6.54 10.00 2.60 2.28 Ø2.95 4.25 3.05 Ø2.95 Ø1.18 0.31 1.38 Ø23.62 82.233.5"X11TPI

BSPATB-23M

5:1 22126.86 4.5 4921.01 F20/F25 F30 3.23 152870.08 13.19 6.85 7.60 11.06 2.60 2.28 Ø3.35 4.31 3.29 Ø2.95 Ø1.18 0.31 1.38 Ø23.62 110.234"X11TPI

BSPATB-38M

5.5:1 33632.83 4.95 6797.37 F25/F30 F35 3.74 175350.98 14.80 7.95 8.66 12.72 2.60 2.28 Ø3.54 5.33 3.94 Ø3.54 Ø1.50 0.39 1.38 Ø23.62 179.685"X11TPI

BSPATB-55M

6:1 48679.10 5.4 9010.06 F30/F35 F40 4.13 216940.63 17.01 9.25 9.69 13.86 2.76 2.36 Ø4.37 6.04 4.13 Ø4.17 Ø1.50 0.39 1.38 Ø29.53 341.725"X11TPI

BSPATB-85M

6.5:1 75231.34 5.85 12851.28 F35/F40 -- 4.92 285507.36 19.29 10.20 10.51 14.65 2.76 2.36 Ø4.96 6.52 4.33 Ø4.96 Ø1.50 0.39 1.38 Ø29.53 407.856"X11TPI

BSPATB-

130M7:1 115059.69 6.3 18259.09 F35/F40 -- 5.71 382175.20 23.23 11.42 13.39 18.43 2.76 2.36 Ø5.91 7.44 5.57 Ø5.91 Ø1.97 0.55 1.97 Ø29.53 617.29 M218X3P

ATB-180M

8:1 159313.42 7.2 22126.86 F40 F48 6.69 584503.25 26.77 12.72 15.35 20.16 2.76 2.36 Ø7.09 7.85 5.91 Ø7.09 Ø1.97 0.55 1.97 Ø29.53 793.66 M218X3P

Multi-turn Bevel Gear Operators for Manual Operation and Electrical Actuation

Sr. No. Description Material US Standard IS Standard

1 Housing Ductile Iron ASTM A536 60-40-18 SGI 400/15

2 Base Plate Ductile Iron ASTM A536 60-40-18 SGI 400/15

3 Bevel Gear Carbon Steel ASTM A322 4140 40Cr4Mo3

4 Bevel Pinion Carbon Steel ASTM A322 4140 40Cr4Mo3

5 Thrust Bearing Special Steel Cylindrical Roller Bearing

6 Flange Cap Ductile Iron ASTM A536 60-40-18 SGI 400/15

7 Adaptor Sleeve Ductile Iron ASTM A536 70-50-05 SGI 500/7

8 Adaptor Al Bronze B148 C95800 -

9 Hardware Carbon Steel - 8.8 Gr or Equivalent

10 Stem Protector Carbon Steel ASTM A53 IS 2062 Gr B

11Handwheel (Pipe)

Carbon Steel ASTM A53 IS 2062 Gr B

12 Lock Nut Carbon Steel ASTM A576 1045 45C8

Electrical Actuation Flange Mounting For All Models

Flange Drill As Per ISO 5211 Keyway As Per IS 2048

Actuator Mounting ISO 5211 Ød

F10 0.98

F14 1.18

F16 1.38

PERFORMANCE SPECIFICATIONS OF MULTI-TURN BEVEL GEAR OPERATORS

400

768

3.25:1 600

4.5:1

5:1

6:1

8:1

1600

2500

5500

18000

15

34

50

Ø500

5.5:1 3800

6.5:1 8500

Ø600

Ø600

Ø600

Ø750

Ø750

Ø750

MODELOUTPUT

(Nm) MECHANICALADAVANTAGE WEIGHTA B

APPROXINPUT TORQUE

VALVE

FLANGE MAX STEMDIAMETER(ØD)ISO 5211

RECOM-

ATB-01M 1:1

3:1

150 0.9

ATB-03M

ATB-06M

ATB-16M

ATB-23M

ATB-38M

ATB-55M

ATB-85M

ATB-180M

166

(Nm) TORQUE RATIO

148

205

395

556

1018

1452

2500

110

82

C D E F(Kg)

25

180 119 186108

170 113 201

160 237155

172 265180

202 323220

225 245

130 100 158 66

66

66

66

66

66

70

70

70 60

60

60

58

58

58

58

58

58

256

325

335

377

508

267

422

Ø400

Ø300

13

10

84

THRUST(KN)

MAX

130

250

290

630

680

780

965

1270 185

155

360

JOB DESCRIPTION

BEVEL PINION

BEVEL GEAR

BASE PLATE

HOUSING

MATERIAL

THRUST BEARING

1

SR. NO.

23

4

5

6

7

8

FLANGE CAP

ADAPTOR SLEEVE

ADAPTOR

MENDEDHANDWHEEL

4:1 1100 24Ø600ATB-11M 305 145 217139 66 58415

RATED MTG

(ATB SERIES) MEDIUM THRUST ( TYPE- 'A')TRANSMISSIONSPUNE 411 023

MEYA

C248 P27 0202

2-6-2015

REF.NO:-REV.NO/DT:-DATE:-

ATB-02M

7:1 13000 Ø750ATB-130M 2063 70 60295 405320 280

Ø3002.5:1 250 2.25

2.7

2.92

3.6

4.05

4.5

4.95

5.4

5.85

6.3

7.2

111 30

40

50

55

68

82

95

105

125

145

170

205

E F

1 6

3

2

5

78

4

ØA

B

C

D

100150 110 185 66 58 12

AB-II BS 1400 OR

CYLINDRICAL ROLLER BEARING

ASTM A536 65-45-12

ASTM A536 65-45-12

ASTM A536 65-45-12

ASTM/AISI 1040

ASTM/AISI 4140

ASTM A536 65-45-12

ISO CuAl10Fe5Ni5

9 HARDWARES 10.9 Gr or EQUIVALENT

THREAD SIZE

THREAD SIZE

5"X11TPI BSP

6"X11TPI BSP

3"X11TPI BSP

2.5"X11TPI BSP

2"X11TPI BSP

2"X11TPI BSP

1 3/4"X11TPI BSP

3.5"X11TPI BSP

4"X11TPI BSP

5"X11TPI BSP

M218X3P1700

2600

440

270

320

376

490

765

225

562

M218X3P

ØG

47

75

85

ØG

42

27

102

126

112

180

64

150

32

STANDARD ELECTRICAL ACTUATION FLANGE FOR ALL MODEL

FLANGE DRILL AS PER ISO 5211KEYWAY AS PER IS 2048

ACTUATOR MOUNTINGISO 5211

Ød

F10

F14

F16

25

30

35

Ød

72.5

106.5

109.5

H

64.5

55

135.5

165.5

153.5

199.5

85.5

189

60.5

56

77.5

83.5

J

48

25

100

110

105

150

62

141.5

43

53

87.5

93.5

ØK

45.5

33

101

141

125

197.5

63

177.5

37.5

ØK

J

H

N

M ØL

ØL M N

Ø30

Ø30

Ø25

Ø38

Ø25

Ø30

Ø30

Ø30

Ø38

Ø38

Ø50

Ø50

8

8

8

10

8

8

8

8

10

10

14

14

35

35

35

35

35

35

35

35

35

35

50

50

F12/F14

F10/F12

F07/F10

F07/F10

F12

F10

F10

F14/F16 F16/F20 F20/F25 F25/F30 F30/F35 F35/F40 F35/F40

F40

F16

-

F25

F30

F35

F40

-

-

F48

OPTIONAL

FLANGEISO 5211

VALVE MTG

ØD

10 STEM PROTECTOR AISI 1020

11 HANDWHEEL

12 LOCK NUT

AISI 1020

AISI 1040

11

12

10

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