Trusted Gear Operated Butterfly Valve Manufacturer

NTVAL provides durable Gear Operated Butterfly Valves for large industrial applications. Made from strong steel, these valves offer precise control for high-flow systems, ensuring reliable and efficient operation in tough conditions. Choose NTVAL for dependable, long-lasting solutions.

Reliable Gear Operated Butterfly Valve

The Gear Operated Butterfly Valve is used to control the flow of liquids or gases in pipelines. With a rotating disc that opens or closes the passage, and a gear mechanism that allows precise, easy control, it requires minimal effort to operate.
 
This simple yet durable design makes it a popular choice in industries such as water treatment and chemical processing. Built to handle frequent use, the valve provides reliable performance over time, making it a practical solution for managing flow in various applications.
Gear Operated Butterfly Valve 1

Quality Control

Gear Operated Butterfly Valve 2
The PMI test checks the gear-operated butterfly valve’s material composition, confirming it matches the required standards for safe performance.
PMI Test
Gear Operated Butterfly Valve 3
The sealing test evaluates the valve’s closure, verifying it prevents leaks and maintains effective pressure control in various applications.
Sealing Test​
Gear Operated Butterfly Valve 4
The low emission test identifies any leaks, reducing the risk of releasing harmful gases or fluids into the environment.
Low Emission Test​
Gear Operated Butterfly Valve 5
The impact test assesses the valve’s strength, confirming it withstands sudden force or pressure changes without damage.
Impact Test​
Gear Operated Butterfly Valve 6
The dimension inspection verifies each component’s measurements, providing precise fitting for smooth and dependable valve operation.
Dimension Inspection​
Gear Operated Butterfly Valve 7
The painting thickness test measures the coating’s depth, protecting the valve against corrosion and extending its durability in tough environments.
Painting Thickness Test​
Gear Operated Butterfly Valve 8
PT, or penetrant testing, detects small surface cracks or flaws, highlighting areas that may need attention for enhanced safety.
PT
Gear Operated Butterfly Valve 9
The material inspection assesses the quality of raw materials, verifying they can handle the required pressure and temperature safely.
Material Inspection​

Our Valve Applications in Key Industries

Discover how our advanced valve solutions improve flow control, delivering enhanced efficiency, safety, and strict quality assurance.
Gear Operated Butterfly Valve 10
Gear-operated butterfly valves handle corrosive chemicals with ease, providing reliable flow control that supports safe chemical processing.
Chemical Processing
Gear Operated Butterfly Valve 11
In the petrochemical industry, these valves control oil and gas flow effectively, operating well under high pressure and extreme temperatures.
Petrol Chemical
Gear Operated Butterfly Valve 12
Gear-operated butterfly valves withstand intense temperatures and radiation, delivering reliable performance in nuclear and power generation applications.
O.P.G & Nuclear
Gear Operated Butterfly Valve 13
These valves manage thick fluids like slurry efficiently, offering consistent flow control in the demanding environments of the pulp industry.
Pulp
Gear Operated Butterfly Valve 14
Mining operations benefit from gear-operated butterfly valves as they manage abrasive materials effectively, performing well in extreme conditions.
Mining
Gear Operated Butterfly Valve 15
In water and sewage systems, gear-operated butterfly valves provide reliable control over large fluid volumes, supporting continuous operation.
Water & Sewage
Gear Operated Butterfly Valve 16
Gear-operated butterfly valves regulate steam flow precisely, maintaining stable pressure and temperature across expansive steam distribution networks.
Steam System
Gear Operated Butterfly Valve 17
In boiling systems, these valves control hot water and steam flow, contributing to safe and efficient heat management in high-temperature settings.
Boiling System

Get More Versatile Valve

Gear Operated Butterfly Valve 24
SpecificationValve
BODYClA210 GR.FG260/ASTM A216 GR.WCB/SG IRON
RUBBER SEATEPDM/NITRILE
DISCSG IRON/ASTMA351 GR.CF8/CF8M/ASTM A216 GR.WCB
STEM55410 (D SLOT
0-SEAL RINGEPDM
PLASTIC BUSHPTF E
WASHER55304
CIRCUPSPRING STEEL
ACTUATORALUMINUM
BOLTL ·KEY BOLT

Valve Standards and Specifications

Gear Operated Butterfly Valve 25

DESIGN STANDARD

ASME B16.5/ISO 7005/IS 13095 /API 609/EN 593

TESTING STANDARD

API 598/IS 13095/EN 12266-1/2

FACE-TO-FACE STANDARD

API 609 /IS 13095 /EN SS8

WALL THICKNESS STANDARD

AWWA C504 /ASME 16.34

ACTUATOR MOUNTING FLANGE STANDARD

ISO 5211

  • Size Range: 3 – 30 inches (80 mm – 750 mm)
  • Maximum Temperature: 180°F (80°C)
  • Maximum Pressure: 200 PSI

Technical Specification

Size

A

B

F/F

I

K

L

MOUNTING FLANGE

40 MM

87

47

43

71.8

F05

50MM

113

59

43

91

F05

65MM

110

61

46

96.8

F05

80MM

128

73

46

116.8

F05

100MM

154

91

52

149

190.5

180

F07

125MM

169

105

56

168.9

215.9

210

F07

150MM

189

122

56

202

241.3

240

F07

200MM

214

146

60

250

298.5

295

F07/F10

250MM

251

185

68

308

362

350

F10

300MM

289

214

78

361.4

431.8

400

F10

AWWA C504 Butterfly Valve - NTVAL Model 45

Gear Operated Butterfly Valve 26
  • Size Range: 3″ to 24″ (75 mm to 600 mm)
  • Flange Type: 150 ANSI B16.5
  • Materials: Includes Gear Box and Buna-N Seat
  • Maximum Temperature: 180°F (82°C)
  • Maximum Pressure: 200 PSI (14 bar)
  • Maximum Pressure Differential: 150 PSI (10 bar)
     

Item#

Description

Material

Item #

Description

Material

1

Body

Ductile Iron A536

12

Disc

Ductile Iron &316SS Trim

2

Key

ASTM 1045

13

Lower Bushing

ASTM S304+F4

3

C Clip

AISI 1066

14

Lower Bearing

Nylon

4

Washer

Stainless Steel

15

Bottom Cover Gasket

Buna-N

5

U-Cup

Buna-N

16

Bottom Cover

Ductile Iron A536

6

ORing

Buna-N

17

Washer

Stainless Steel 304

7

Shaft

Stainless Steel 316

18

Bolt

Stainless Steel 304

8

Upper Bushing

ASTM S304+F4

19

Washer

Stainless Steel 304

9

Threaded Taper Pin

Stainless Steel 304

20

Bolt

Stainless Steel 304

10

Nut

Stainless Steel 304

21

Gear Box

Various

11

Gasket*

Buna-N

   
     

*EPDM Optional

Dimensions

Size

Part #

A

B

C

ØD

ØE

#&ØF

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

3

75

450000060

6.25

159

3.54

90

5

127

6

152

7.5

190

4-.75

19

4

100

450000070

7

178

3.98

101

5

127

7.5

191

9

230

8-.75

19

6

150

450000090

8

203

5.87

149

5

127

9.5

241

11

280

8-.88

22

8

200

450000100

9.53

242

6.26

159

6

152

11.75

299

13.5

345

8-.88

22

10

250

450000110

10.78

274

7.68

195

8

203

14.25

362

16

405

12-1.00

25

12

300

450000120

12.32

313

9.09

231

8

203

17

432

19

485

12.-1.00

25

14

350

450000140

14

356

10.28

261

8

203

18.75

476

21

535

12-1.13

29

16

400

450000160

15.04

382

11.34

288

8

203

21.25

540

23.5

595

16-1.13

29

18

450

450000180

16.54

420

13

330

8

203

22.75

578

25

635

16-1.25

32

20

500

450000200

18.07

459

14.25

362

8

203

25

635

27.5

700

20-1.25

32

24

600

450000240

22.52

572

16.71

424.4

8

203

29.5

749

32

815

20-1.63

35

Size

G

H

J

K

OL

M

N

Gearbox

Weight

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

inch

mm

Ratio

Open
Turns

Ibs

kg

3

75

11.81

300

2.6

66

8.46

215

0.75

19

2.93

74.6

12.2

310

17.2

437

30:1

7.5

51

23

4

100

11.81

300

2.6

66

8.46

215

0.94

24

3.71

94.3

12.2

310

18.39

467

30:1

7.5

63

28.5

6

150

11.81

300

2.6

66

8.46

215

1

25

5.63

142.9

12.2

310

21.26

540

30:1

7.5

85

38.5

8

200

11.81

300

2.6

66

8.46

215

1.13

29

7.58

192.5

12.2

310

23.19

589

30:1

7.5

115

52

10

250

11.81

300

3.19

81

8.07

205

1.18

48

9.69

246

12.4

315

24.61

625

50:1

12.5

161

73

12

300

11.81

300

3.19

81

8.07

205

1.25

32

11.42

290

12.4

315

28.98

736

50:1

12.5

220

99.5

14

350

11.81

300

3.19

81

8.07

205

1.38

35

13

330

12.4

315

31.89

810

50:1

12.5

276

125

16

400

23.63

600

4.92

125

11.81

300

1.44

37

15.16

385

17.72

450

40.43

1027

70:1

17.5

391

177

18

450

23.63

600

4.92

125

11.81

300

1.56

40

17.17

436

17.72

450

43.58

1107

70:1

17.5

457

207

20

500

23.63

600

4.92

125

11.81

300

1.69

43

19

483

17.72

450

46.38

1178

70:1

17.5

644

292

24

600

23.63

600

4.92

125

11.81

300

1.88

48

22.44

570

17.72

450

53.27

1353

70:1

17.5

922

418

6" Cast Iron Butterfly Valve Wafer - EPDM Seat, Gear Operated

Gear Operated Butterfly Valve 27

Specifications

Attribute

Details

Size

6″

Body Material

Cast Iron

Body Design

Wafer

Operation

Gearbox

Connections

Flange / ANSI 125

Pressure Rating

225 PSI

Temperature Rating

-4°F to 194°F

Length (End to End)

2.2 inches

Weight

27 lbs

Seat

EPDM

Paint

Fusion-Bonded Epoxy

Stem

Stainless Steel SS416

Disc

Nickel Plated Ductile Iron

Details

This butterfly valve is designed as a rotary valve with a disk-shaped seating element that rotates 90° to either open or close the flow passage. It can be adjusted to remain partially open or closed for flow throttling. However, butterfly valves are unsuitable for applications requiring a fully unobstructed opening. The valve must be installed with flanges, but no additional gaskets are necessary due to the built-in rubber seal.
 

Features

  • Self-Locking Gearbox Operator: The gearbox operator locks in any position, allowing for precise control of flow.
  • Durable Coating: The valve is protected with a fusion-bonded epoxy coating, which adds durability.
  • Gasket-Free Installation: Flange gaskets are not needed because the valve has an EPDM seat that provides a tight seal.
Gear Operated Butterfly Valve 28

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Additional General Insights Here

Specs of Gear Operated Butterfly Valve

Material Composition

The body of the Gear Operated Butterfly Valve can be made from cast iron, paired with a nickel-plated ductile iron disc and a stainless steel edge. Cast iron offers strength, while the nickel-plated disc resists wear and corrosion. The stainless steel edge enhances durability and extends the valve’s service life. Now, this combination of materials delivers reliable performance in challenging industrial conditions.

Valve Sizes

Gear Operated Butterfly Valves are available in sizes from 3 to 30 inches (80mm to 750mm). This range offers flexibility for different applications, particularly in large-scale industries. With such range, finding the right valve for extensive projects is simple and provides optimal performance.

Pressure and Temperature Ratings

These valves are rated for pressures between 200 PSI and 225 PSI and can handle temperatures from -4° to 194° F. This broad pressure and temperature range makes them suitable for diverse industrial environments, including high-pressure and extreme temperature applications. NTVAL’s valves also adhere to these pressure and temperature ratings, providing consistent performance and durability across various parameters.

Features of Gear Operated Butterfly Valve

Self-Locking Unit Operator

The Gear Operated Butterfly Valve includes a self-locking gearbox for precise throttle control. This feature prevents accidental adjustments, providing stable and reliable operation. Managing flow rates becomes easier with this control. For example, it maintains consistent performance in demanding settings, reducing manual adjustments.

Fusion-Bonded Epoxy Coating

The valve can be coated with fusion-bonded epoxy, which resists corrosion and wear. This durable coating protects against harsh chemicals and extreme conditions, extending the valve’s lifespan. By using this coating, maintenance is minimized and reliability is enhanced. NTVAL’s use of high-quality coatings underscores their commitment to durability in challenging environments.

Direct Mount Design with EPDM Seat

The direct mount design offers a low-profile installation, saving space and reducing costs. The EPDM seat eliminates the need for flange gaskets, simplifying maintenance and improving sealing. This requires less upkeep and enhances performance. It provides an efficient solution for large-scale industrial applications.

Benefits of Gear Operated Butterfly Valve

Cost-Effective Performance

The Gear Operated Butterfly Valve features durable materials and an efficient gear system, leading to low maintenance and reduced long-term costs. Its high-quality seals prevent leaks, offering reliable performance in harsh conditions, making it a cost-effective choice for large industrial settings where minimizing maintenance and avoiding disruptions is essential.

Easy Integration with Control Systems

The Gear Operated Butterfly Valve integrates smoothly with control systems, allowing for swift and precise flow rate adjustments. Its compatibility with automation minimizes manual adjustments, boosting overall efficiency. This streamlined integration is particularly beneficial for complex industrial processes, enhancing productivity.

Enhanced Durability and Long-Term Reliability

Constructed with cast iron and stainless steel, the Gear Operated Butterfly Valve offers exceptional durability and extended service life. Its design supports reliable performance in demanding industrial conditions, reducing the need for frequent replacements and aiding continuous operations in challenging environments.

Applications of Gear Operated Butterfly Valve

Oil and Gas Industry

Gear Operated Butterfly Valves are key in the oil and gas sector for controlling hydrocarbon flow through pipelines and processing systems. They handle high pressures and temperatures, providing reliable operation in demanding environments. These valves are essential in refineries and gas processing plants for regulating fluid flow. NTVAL’s high-quality valves are built to meet rigorous industry standards.

Chemical and Pulp Industries

Gear Operated Butterfly Valves manage corrosive and abrasive fluids in chemical and pulp industries. Their design meets the tough demands of chemical processing and pulp production. The fact is, these valves provide long-lasting, reliable performance in harsh environments. They are engineered to withstand aggressive conditions.

Power Generation Systems

In power generation, these valves control steam and water flow in boilers and turbines. They are designed to endure extreme conditions, allowing efficient operation. This is critical for large energy facilities that require precise control. For example, these valves manage high-pressure steam systems in power plants, maintaning consistent performance even under intense conditions.

Water and Wastewater Treatment

In water and wastewater treatment facilities, Gear Operated Butterfly Valves are used to regulate the flow of water, sludge, and various treatment chemicals. These valves perform reliably under varying pressure conditions, making them suitable for critical points in municipal water distribution and sewage systems, where consistent flow and durability are essential for efficient plant operations.
Gear Operated Butterfly Valve 29
Gear Operated Butterfly Valve 30

3 Considerations When Buying Gear Operated Butterfly Valve

01

Torque Requirements

Understanding the torque requirements is crucial when selecting a Gear Operated Butterfly Valve. The valve must be able to handle the required force to open and close effectively without strain. This helps achieve reliable operation and prevents premature wear or failure. Choosing a valve with adequate torque capacity is essential for optimal performance.

02

Gearbox Capacity

The gearbox capacity must match the demands of the valve to provide smooth operation and durability. It should be capable of handling the load and providing precise control. The right gearbox capacity reduces maintenance needs and prolongs the valve’s life. That means choosing a gearbox that aligns with your operational needs is key for maintaining efficiency.

03

Seal Integrity

Sealing performance is key for preventing leaks and maintaining efficient operation. The valve should have effective seals for the processing media it will handle. That means good sealing minimizes downtime and maintenance by avoiding issues like leaking valves. High-quality sealing in NTVAL valves guarantees long-term reliability in demanding environments.

FAQS About Gear Operated Butterfly Valve

Our Gear Operated Butterfly Valves come with certifications such as ISO9001, ISO14001, and API6D. That’s how you know these valves are recognized for their excellence and compliance with industry standards.
The delivery time for Gear Operated Butterfly Valves is typically between 1 to 4 months, depending on the project size. For most orders, delivery can be completed within about one month, which helps in timely project completion.
We offer thorough pre-sales and after-sales support with an 18-month warranty and full-life assistance. Our high-quality valves, noted for precision and craftsmanship, are backed by dependable support throughout their lifespan.

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