Trusted Flange Ball Valve Manufacturer
NTVAL offers durable Flange Ball Valves for industrial applications, known for excellent sealing and long-lasting performance. With fast delivery and comprehensive technical support, we meet the demands of large-scale projects, ensuring reliable and efficient valve solutions.
Reliable Flange Ball Valve
Flanged ball valves are designed for use in various chemical and industrial settings. These investment cast valves are easy to operate with low torque and a quarter-turn latch-locking handle. The handle can be removed quickly, allowing for the easy installation of electric or pneumatic actuators using the standard ISO 5211 direct mounting pad.
This setup keeps the shaft in the correct position without needing extra brackets or couplings. The triple stem seal is built to adjust automatically, handling wear, pressure, and temperature changes. Each valve is thoroughly tested to meet API 598 standards.
- Full Port for Unrestricted Flow
- 316 Stainless Steel Body, Ball and Stem
- Blow Out Proof Stem
- RTFE Ball Seats Extend Cycle Life and Reduce Torque
- Triple RTFE/Viton Stem Seal Design, Live Loaded
- Latch Locking Handle (Padlockable)
- Actuator Ready ISO 5211 Direct Mounting Pad
- Anti-Static Design
Quality Control
PMI Test confirms the metal in the flange ball valve matches the required specifications, helping the valve perform well and stay durable.
PMI Test
The Sealing Test checks the flange ball valve’s ability to prevent leaks. It verifies that the valve maintains pressure when fluids flow through.
Sealing Test
The Low Emission Test measures how much gas or vapor escapes during operation, controlling harmful leaks and protecting the surrounding environment.
Low Emission Test
The Impact Test examines the valve’s strength against sudden force, showing whether it can handle harsh conditions without losing functionality.
Impact Test
Dimension Inspection checks the size of each flange ball valve part, confirming all components meet precise measurements for proper fitting and operation.
Dimension Inspection
The Painting Thickness Test measures the paint coating to guard against rust. It confirms the valve can resist damage from tough environments.
Painting Thickness Test
PT inspects the valve for small cracks using a special liquid. Any flaws become visible and can be addressed to prevent future failures.
PT
Material Inspection verifies the metal quality of the flange ball valve, making sure it matches the necessary design specifications to prevent material issues.
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.
Flange ball valves resist corrosion and handle aggressive chemicals, providing a reliable solution for fluid control in chemical processing environments.
Chemical Processing
Flange ball valves effectively control the flow of high-pressure liquids and gases, making them a suitable choice for petrochemical operations.
Petrol Chemical
Flange ball valves perform well in extreme conditions, offering safe and precise control for critical operations in the O.P.G and nuclear industries.
O.P.G & Nuclear
Flange ball valves handle abrasive materials and prevent clogging, making them ideal for managing complex fluid systems in the pulp industry.
Pulp
Flange ball valves are built to handle tough environments and heavy slurry, providing a dependable solution for the mining industry’s operations.
Mining
Flange ball valves manage water flow efficiently, making them an effective option for controlling water distribution and sewage systems.
Water & Sewage
Flange ball valves handle high-temperature steam flow, making them reliable components in systems that involve heating and power generation.
Steam System
Flange ball valves manage the flow of boiling liquids with precision, helping maintain consistent performance in industrial boiling systems.
Boiling System
Get More Versatile Valve
Specifications
| Type | Manual Flange Valve |
| Pipe Size | ANSI Class 150# flanged |
| Port Size | Full port, 0.79 inch orifice,Cv 35 |
| Temperature Range | -4 to 356 °F (-20 to 180 °C) |
| Body/Ball | 316 stainless steel (ASTM A351 CF8M) |
| Stem | 316 stainless steel |
| Handle | 304 stainless steel with vinyl grip |
| Ball Seats | RTFE (reinforced Teflon) |
| Stem Seals | RTFE/ Viton (live loaded and adjustable) |
| Flange Dimension | ANSI B16.5 class 150 |
| Face to Face | ANSI B16.10 class 150 |
Flanged Valves
Our flanged valves can be controlled manually by adjusting the lever to different angles, allowing for open and closed positions. They can also be operated using electric or pneumatic actuators for more automated control. Additionally, the actuator options provide precise flow regulation and increased efficiency in demanding applications.
Fire Safe, Full & Reduced Port, 3 Piece Ball Valve
The 3000 Series soft seat valve is designed for high-pressure tasks and offers flexibility with different seat materials, body options, and end connections. It works well in situations with pressures up to 4000 psi (275 bar) and temperatures reaching 600°F (315°C). The valve also features extended ends with a “heat sink” design, enabling welding without harming the seats and seals.
Features & Benefits
- Handles High Pressure: Capable of handling service pressures up to 4000 psi.
- Diverse Material Options: Available in special body materials, including Alloy 20, Duplex, Hastelloy C, Monel, Titanium, 354 SMO, Bronze, and others.
- Versatile End Connections: Offers a variety of end connection options such as extended weld ends, RTJ flanges, DIN flanges, SAE Code 61/62 flanges, SAE O-ring, Grayloc, and tube ends.
- ISO 5211 Mounting Pad: Equipped with an ISO 5211 mounting pad for easy installation of actuators.
- Triple-Sealed Stem: Features a triple-sealed, blowout-proof stem with adjustable, live-loaded packing for added security and durability.
- Resilient Seats and Seals: Includes deep-pocketed resilient seats, double body end cap seals, and enclosed end cap bolts threaded into the body for enhanced performance.
- Static Grounding: Statically grounded to prevent electrical hazards.
- Lockout Safety Option: Comes with a lockout option for added safety during maintenance.
- API 607 Fire Safety Compliance: Complies with API 607 fire safety standards when using appropriate materials like CS or SS bodies with PTFE, RPTFE, or CRPTFE seats and graphite packing.
- Pressure Testing: Every valve undergoes 100% pressure testing, with optional testing available to meet API 598 standards.
Specifications
- Size range: 1/4″ – 3″ full port; 1/2″ – 4″ reduced port
- Body Type: 3-pc, non swing-out design
- End connections: flanged, NPT, weld, custom
- Pressure rating: up to 4000 psi WOG (275 bar) and up to ASME Class 900²
- Temperature range / WSP: -20°F up to 550°F / up to 450 psi steam; -29°C up to 288°C / up to 31 bar steam
- Body, ball, stem material: standard and special alloys
- Ball seats / thrust washers: PTFE and others
- Stem packing: adjustable, live faded PTFE or Graphite
- Body seals: PTFE, Graphite, and others
- Operator/mounting pad: manual lever with optional lock / ISO 5211
Key Features of Stainless Steel (316) Flanged Ball Valve - 2pc, 150LB
- Durable Construction: Constructed with a durable S.S. 316 investment cast body.
- Full Port Design: Full Port design with ANSI-CLASS 150 lb. rating.
- Versatile Applications: Suitable for a wide variety of liquids and gases.
- Reliable Sealing: Equipped with PTFE seals and seats for reliable performance.
- Wide Temperature Range: Operates effectively in temperatures ranging from -60 to 450 degrees Fahrenheit.
- Easy Operation: Designed for low operation torque, making it easy to use.
- Quality Assurance: Each valve is individually tested to ensure quality.
- Enhanced Safety: Features a blowout-proof stem for added safety.
- Sturdy Handle: Comes with a heavy-duty stainless steel handle for durability.
Key Features of Flanged Ball Valves
Flanged Ball Valves are designed with a unique connection style that sets them apart from other ball valves. These valves are specifically made to connect with flanged fittings, offering easy access for cleaning and replacement. Below are the key features that make these valves a reliable choice for various applications:
- Sturdy Construction: Made from S.S. 316 investment cast body.
- Full Port Design: Full Port ANSI-CLASS 150 lb. rating.
- Versatile Applications: Suitable for handling a wide range of liquids and gases.
- Reliable Sealing: Equipped with PTFE seals and seats.
- Broad Temperature Range: Can operate in temperatures ranging from -60 to 450 degrees Fahrenheit.
- Easy Operation: Requires low operation torque for easy use.
- Quality Assurance: Each valve is individually tested for quality.
- Enhanced Safety: Includes a blowout-proof stem for added safety.
- Durable Handle: Comes with a heavy-duty stainless steel handle.
Designation - Material
- Body – SS 316/ CF8M
- Ball – SS 316/ CF8M
- Seat – RPTFE
- Cap – SS 316/ CF8M
- Stem – SS 304
- Stem Packing – SS 304
- Body Seal – PTFE
- Stem Seal – PTFE
- Bolt – SS 304
- Gland – SS 316/ CF8M
- Stopper – SS 304
- Handle – SS 316/ CF8M
- Snap Ring – SS 304
- Nut – SS 304
Stainless Steel Flanged Ball Valves (SS316)-2 piece
- S.S.316 investment castbody
- FullPort ANSI-CLASS 150 Ib.
- Suitable for full range of liquids and gas
- Pure PTFE seals and seats
- Temperature range:-60F to 450°F
- Low operation torque
- 100%individually tested
- Blowout-proof stem
- Heavy duty stainless steel handle
Stainless Steel Flanged Ball Valves (ss316) - 2 Piece
Flanged Ball Valves feature a unique connection type compared to other ball valves. These valves are designed to connect with another flanged piece, making cleaning and replacement more convenient.
- S.S.316 investment castbody
- Full Port ANSI-CLASS 150 Ib.
- Suitable for full range of liquids and gas
- Pure PTFE seals and seats
- Temperature range: -60F to 450F
- Low operation torque
- 100% individually tested
- Blowout-proof stem
- Heavy duty stainless steel handle
Dimensions
| Part # | Size (inches) | A | B | D | E | P | 150(PN2.0MPa) | |||||||
| F | H | K | T | G | N | M | C | |||||||
| VBSF1-050 | 1/2″ | 0.59 | 0.43 | 2.87 | 5.12 | 1.65 | 1.38 | 2.38 | 3.5 | 0.43 | 0.08 | 0.16 | 0.59 | 4.25 |
| VBSF1-075 | 3/4″ | 0.79 | 0.43 | 2.99 | 5.12 | 1.65 | 1.69 | 2.76 | 3.86 | 0.43 | 0.08 | 0.16 | 0.59 | 4.61 |
| VBSF1-100 | 1″ | 0.98 | 0.55 | 3.39 | 6.3 | 1.97 | 2.01 | 3.13 | 4.25 | 0.47 | 0.08 | 0.16 | 0.59 | 5 |
| VBSF1-125 | 11/4″ | 1.26 | 0.55 | 3.58 | 6.3 | 1.97 | 2.52 | 3.5 | 4.61 | 0.51 | 0.08 | 0.16 | 0.59 | 5.51 |
| VBSF1-150 | 11/2″ | 1.5 | 0.67 | 4.69 | 7.87 | 2.76 | 2.87 | 3.88 | 5 | 0.59 | 0.08 | 0.16 | 0.59 | 6.5 |
| VBSF1-200 | 2″ | 1.97 | 0.67 | 5 | 7.87 | 2.76 | 3.62 | 4.74 | 5.98 | 0.63 | 0.08 | 0.16 | 0.75 | 7.01 |
| VBSF1-250 | 21/2″ | 2.56 | 0.87 | 5.35 | 7.87 | 4.02 | 4.13 | 5.49 | 7.01 | 0.71 | 0.08 | 0.16 | 0.75 | 7.48 |
| VBSF1-300 | 3″ | 2.99 | 0.87 | 6.46 | 12.8 | 4.02 | 5 | 6 | 7.48 | 0.75 | 0.08 | 0.16 | 0.75 | 7.99 |
| VBSF1-400 | 4″ | 3.7 | 0.87 | 7.01 | 12.8 | 4.02 | 6.18 | 7.5 | 9.02 | 0.94 | 0.08 | 0.31 | 0.75 | 9.02 |
Materials List
- Information provided here may change without notification
- Other sizes are available by special order
| Description | Material |
| Body | SS 316 (CF8M) |
| Ball | SS 316 (CF8M) |
| Seat | RPTFE |
| Cap | Ss 316(CF8M) |
| Stem | Ss 304 |
| Stem Packing | PTFE |
| Body Seat | PTFE |
| Stem Seal | PTFE |
| Bolt | SS 304 |
| Gland | SS 316 (CF8M) |
| Stopper | Ss 304 |
| Handle | SS 316 (CF8M) |
| Snap Ring | SS 304 |
| Nut | Ss 304 |
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Additional General Insights Here
Specs of Flange Ball Valve
Size Range
Flange Ball Valves come in 2 size ranges: 1/4″ to 3″ for full port and 1/2″ to 4″ for reduced port. Full port valves allow maximum flow with minimal resistance. Reduced port valves are more compact and cost-effective. These sizes offer flexibility for various industrial applications.
Body Type
The body of these Flange Ball Valves is a 3-piece, non-swing-out design. This structure simplifies maintenance and repairs. The compact design saves space in complex piping systems. NTVAL’s sturdy construction offers long-lasting performance.
End Connections
These Flange Ball Valves feature versatile end connections including flanged, NPT, and weld options. This variety allows for easy integration into different piping setups. Custom end connections are available to meet specific project requirements. For example, a chemical plant may need welded connections for extra durability.
Pressure Rating
The pressure rating of these Flange Ball Valves reaches up to 4000 psi WOG (275 bar) and up to ASME Class 900². This high-pressure capacity makes them suitable for demanding applications. They perform reliably under extreme conditions. And on top of that, these valves are perfect for industries requiring strong pressure handling.
Features of Flange Ball Valve
High-Pressure Service
These Flange Ball Valves can handle up to 4000 psi. This makes them suitable for high-pressure industrial applications. They are built to withstand tough conditions, offering reliable performance. For example, in oil refineries, these valves effectively control the flow of high-pressure fluids.
End Connection Options
These Flange Ball Valves offer multiple end connection options. These include extended weld ends, RTJ flanges, and DIN flanges. This variety allows for easy integration into different piping systems. NTVAL guarantees that each connection type is designed for optimal performance and durability.
Adjustable, Live-Loaded Stem Packing
These Flange Ball Valves feature adjustable, live-loaded stem packing. This design helps maintain a tight seal and reduces the need for maintenance. It adjusts to pressure changes automatically, providing consistent performance. This feature is handy in applications with fluctuating pressures.
Benefits of Flange Ball Valve
Reliable Performance
Flange Ball Valves are designed for high reliability. They feature triple-sealed, blow-out-proof stems, which prevent leaks and enhance safety. This construction is essential for maintaining consistent operations in critical applications. But you know what else? The strong design guarantees long-term durability and performance.
Versatile Application
The use of special alloys in the valve body provides versatility. These materials offer superior resistance to harsh chemicals and extreme temperatures. This makes these valves ideal for diverse industries, including chemical processing and oil and gas.
Enhanced Safety
These valves come with an API 607 fire-safe design when proper materials are used. This feature is critical for operations involving flammable substances. Additionally, the lockout option adds another layer of safety by preventing unauthorized operation. These safety features make these valves a reliable choice for hazardous environments.
Applications of Flange Ball Valve
Industrial Processes
Flange Ball Valves are essential in various industrial processes. They regulate the flow of water and sewage in treatment plants. These valves also play a crucial role in mining operations by controlling the flow of slurries. NTVAL’s well-built valves are designed to handle the demands of these challenging environments.
Power Generation
In power generation, Flange Ball Valves manage the flow of steam and other fluids. They are used in both conventional and renewable energy plants. Here’s why that’s important: these valves help control the pressure and flow rates necessary for efficient power production. These valves offer reliable solutions for maintaining optimal performance in power plants.
Chemical and Petroleum Industries
Flange Ball Valves are crucial in the chemical and petroleum industries for controlling the flow of harsh chemicals and petroleum products. Made from special alloys, they ensure safe and efficient operation under high pressure and chemical exposure.
Pharmaceutical Industry
In the pharmaceutical industry, Flange Ball Valves control the flow of liquids and gases used in the production of medicines. Their precise control helps maintain the quality of the product, and their durable construction ensures they can handle the strict cleanliness standards required.
3 Considerations When Buying Flange Ball Valve
01
API 598 Test Standard
When buying a Flange Ball Valve, it’s essential to check if it meets the API 598 test standard. This important standard certifies that the valve has been pressure tested for leaks and durability. Valves that pass this rigorous test are more reliable and safe for industrial use. What’s the bottom line? A valve that meets API 598 gives you greater confidence in its long-term performance.
02
Maintenance and Safety Features
When purchasing, carefully consider the valve’s maintenance and safety features. NTVAL’s Flange Ball Valves offer adjustable stem packing and blow-out-proof stems for easier maintenance, improved reliability, and safer operation. These enhanced features help prevent leaks, extend valve lifespan, and significantly reduce the risk of unexpected failures.
03
Material Compatibility
Material compatibility is crucial when buying a Flange Ball Valve. The valve’s materials should be compatible with the media it will handle, such as corrosive chemicals or high-temperature fluids. A range of material options, including special alloys guarantees that the valve performs well in different environments. Selecting the right material offers the valve’s durability and effectiveness in the specific application.
FAQs
Our general guarantee period is 18 months from the delivery date.
Our valves, including Flange Ball Valves, are certified by ISO9001, ISO14001, and ISO 45001, API6D, API607, etc.
Yes, our Flange Ball Valves are highly resistant to a wide range of corrosive chemicals, including acids, alkalis, and salts, due to the strong nature of the material used.
Yes, each piece valve we offered will be delivered with a 3.1 certificate for free. We will send a certificate for your approval before delivery.
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