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Reliable Gear Operated Butterfly Valve

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Our Valve Applications in Key Industries

Chemical Processing

Petrol Chemical

O.P.G & Nuclear

Pulp

Mining

Water & Sewage

Steam System

Boiling System
Get More Versatile Valve

Specification | Valve |
BODY | ClA210 GR.FG260/ASTM A216 GR.WCB/SG IRON |
RUBBER SEAT | EPDM/NITRILE |
DISC | SG IRON/ASTMA351 GR.CF8/CF8M/ASTM A216 GR.WCB |
STEM | 55410 (D SLOT |
0-SEAL RING | EPDM |
PLASTIC BUSH | PTF E |
WASHER | 55304 |
CIRCUP | SPRING STEEL |
ACTUATOR | ALUMINUM |
BOLT | L ·KEY BOLT |
Valve Standards and Specifications

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

- 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 | 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

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
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.

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Additional General Insights Here
Specs of Gear Operated Butterfly Valve
Material Composition
Valve Sizes
Pressure and Temperature Ratings
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
Chemical and Pulp Industries
Power Generation Systems
Water and Wastewater Treatment


3 Considerations When Buying Gear Operated Butterfly Valve
01
Torque Requirements
02
Gearbox Capacity
03
Seal Integrity
FAQS About Gear Operated Butterfly Valve
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