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Learn More About 3 Way Plug Valve
Specifications
- Size Range: NPS 2 to 16″ (50 – 400mm)
- Pressure Rating: 125 psi (860 kPa) CWP, 150LB to 600LB
- Temperature Limit: Up to 400°F (200°C)
- Body Material: Cast iron, ni-resist, aluminum, carbon steel, 316 stainless steel
- Valve Style: 3-way tapered plug
- Actuator Type: Lever, hand wheel, chain wheel, cylinder, electric motor
- Design Standard: API 599 / ASME B16.34
Main Features
- Versatile Design: It can have either 3 or 4 pathways, depending on the system’s needs.
- Multi-Port Design: Multiple pathways for different flow combinations with a single or double tapered plug.
- Fewer Valves: It reduces the number of valves and connection points you need in your system, which can make everything run smoother and with fewer parts.
- Sealing Options
- Resilient Seated Plugs: Provide a tight seal, operated with either a lever or double handwheel.
- All-Metal Plugs: Ideal for higher temperature situations where a tight seal isn’t needed.
Components
- Valve Body: This contains the 3 pathways for fluid to flow through.
- Disc: The part that rotates to control the flow.
- Spring and Spring Seat: These help keep the disc in place and support smooth operation.
- Handle: Used to turn the disc, allowing you to open, close, or redirect the flow.
Materials
Common body materials include:
- Cast Iron
- Aluminum
- Carbon Steel
- 316 Stainless Steel
Special alloys are available upon request.
Applications
- Suitable for clean and dirty liquids
- Handles viscous, corrosive substances, sludge, and abrasive slurries
- Effective for gases
- Sewage Treatment
- Water Treatment & Distribution
- Chemical & Petrochemical
- Pulp & Paper
- Mining
- Power Generation
Main Dimensions
DN | L | PN10 | PN16 | 150# | |||||||||
D | D1 | D2 | n-Ød | D | D1 | D2 | n-Ød | D | D1 | D2 | n-Ød | ||
15 | 130 | 95 | 65 | 45 | 4-14 | 95 | 65 | 45 | 4-14 | 88,9 | 60,5 | 35 | 4-16 |
20 | 150 | 105 | 75 | 58 | 4-14 | 105 | 75 | 58 | 4-14 | 98,5 | 70 | 43 | 4-16 |
25 | 160 | 115 | 85 | 68 | 4-14 | 115 | 85 | 68 | 4-14 | 108 | 79,5 | 51 | 4-16 |
32 | 180 | 140 | 100 | 78 | 4-18 | 140 | 100 | 78 | 4-18 | 117 | 89 | 64 | 4-16 |
40 | 200 | 150 | 110 | 88 | 4-18 | 150 | 110 | 88 | 4-18 | 127 | 98,5 | 73 | 4-19 |
50 | 230 | 165 | 125 | 102 | 4-18 | 165 | 125 | 102 | 4-18 | 152 | 120,5 | 92 | 4-19 |
55 | 290 | 185 | 145 | 122 | 4-18 | 185 | 145 | 122 | 4-18 | 178 | 139,5 | 105 | 4-19 |
80 | 310 | 200 | 160 | 138 | 8-18 | 200 | 160 | 138 | 8-18 | 190 | 152,5 | 127 | 4-19 |
100 | 350 | 220 | 180 | 158 | 8-18 | 220 | 180 | 158 | 8-18 | 229 | 190,5 | 157 | 8-19 |
125 | 400 | 250 | 210 | 188 | 8-18 | 250 | 210 | 188 | 8-18 | – | – | – | – |
150 | 480 | 285 | 240 | 212 | 8-22 | 285 | 240 | 212 | 8-22 | 279 | 241,5 | 216 | 8-22 |
200 | 600 | 340 | 295 | 268 | 8-22 | 340 | 295 | 268 | 12-22 | 343 | 298,5 | 270 | 8-22 |
250 | 730 | 395 | 350 | 320 | 12-22 | 405 | 355 | 320 | 12-26 | 406 | 362 | 324 | 12-25 |
Design | API599/API60 |
Rating | PN10/16/150# |
Face to face | DIN3202 F1 |
Ends Flanged | Flanged |
N* | Part name | Materials |
1 | Body | A216 WCB/A351 CF8M |
2 | Plug -Stem | A182 F6A/A182 F316 |
3 | Seat | PTFE |
4 | 4 Gasket | A182 F304 |
3-Way 100% Port Plug Valve
- Size: 3″ to 16″
- Valve Type: Eccentric Plug Valve
- Fluid: Wastewater
- Functionality: The 3-Way Plug Valve is designed to direct the flow of fluid from one inlet to either of two outlets or to connect all three ports at the same time. It ensures minimal resistance to flow, with a port area that matches 100% of the pipe’s inside area.
- Design Features: The valve includes a rubber-coated tapered plug that can be adjusted externally for a lasting seal. The self-adjusting shaft packing can be replaced without having to remove the bonnet, making maintenance easier.
- Operation: The valve can be operated manually using a lever or gearbox, or automatically with an electric motor or pneumatic actuator.
Characteristics
- Heavy-duty, epoxy lined and coated cast iron body
- 175 PSI pressure rating in all sizes
- 100% port area for low headloss
- Rubber coated ductile iron plug
- Direct seating tight shutoff up to full rated pressure
- Self-adjusting shaft packing
- Stainless steel external fasteners
Material
- Body and Bonnet: Cast iron, ASTM A126 Class B
- Plug: Ductile Iron, ASTM A536 Buna-N rubber Coated
- Bearings: Permanently lubricated 316 stainless steel
- Shaft Packing: Multiple Buna-N self-adjusting U-cups
- External Fasteners: 304 Stainless Steel
Corrosion Protection
2-Part Epoxy Coating: Lined with a 2-part epoxy to protect against corrosion.
10 mils Thickness: The coating has a minimum thickness of 10 mils DFT (Dry Film Thickness), keeping the valve safe from rust and corrosion even in harsh conditions.
3-Way Sleeved Plug Valves
Size Range
Pressure Ratings
Temperature Range
Body Configuration
- Flanged End
- Weld End
- Screwed End
- Full Port
Special Options
- Wide range of sleeve materials
- Fire-safe
- Different top work configurations
- Actuation options
Applications
- Chemicals
- Chlor-Alkali
- Polymers
- Fertilizers
- Pulp and Paper
- Slurries
- Food industry
- Refining
- Water
- Water
Features And Benefits
- Cavity free
- 360° degree port lip design to ensure sleeve containment
- No cold flow, deformation, or rotation of the sleeve
- Large shut-off area to ensure long-lasting in-line sealing
- Easy in-line adjustability
- No seizing. No sticking
- Bottom and side entry options
Materials of Construction
- Carbon Steel
- Stainless Steel
- Nickel Alloys
- Additional materials upon request
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Specs of 3 Way Plug Valve
Material Composition
Flow Control
Operating Temperature and Pressure
Features of 3 Way Plug Valve
Versatile Flow Paths
Provides multiple flow paths for flexible fluid control, making it ideal for managing complex piping systems in various industrial applications with greater efficiency and versatility.
High-Quality Seals
Equipped with high-quality seals, the valve prevents leaks and enhances durability. These seals resist wear and provide long-lasting performance, keeping the valve reliable under various operating conditions.
Low Maintenance
Designed for easy maintenance, the valve reduces downtime and costs. Its simple construction allows quick inspections and minimal servicing, making it a reliable and economical choice compared to other valves.
Benefits of 3 Way Plug Valve
Versatile Flow Paths
Offers multiple flow paths for versatile fluid control, efficiently managing complex piping systems. Its flexibility makes it a standout option for various industrial applications compared to other valves.
High-Quality Seals
Equipped with high-quality seals, the valve prevents leaks and enhances durability. These wear-resistant seals offer long-lasting performance, keeping the valve dependable under various operating conditions.
Low Maintenance
Reduces downtime and costs. Its simple construction allows quick inspections and minimal servicing, making it a reliable and cost-effective choice compared to other valves.
Applications of 3 Way Plug Valve
Oil and Gas Industry
In the oil and gas industry, the 3 Way Plug Valve is used to control the flow of crude oil and natural gas through pipelines. Now here’s the thing, it allows operators to easily switch between different flow paths, making it ideal for complex piping systems. This valve is crucial in managing the transportation and distribution of oil and gas products.
Power Generation
Chemical Processing
Water Treatment & Distribution
3 Considerations When Buying a 3 Way Plug Valve
01
Port Configuration
Port configuration is essential in matching the valve to your system’s needs. A standard 3 Way Plug Valve has an L or T port, which determines how the flow is directed. Selecting the wrong configuration can disrupt the process flow.
02
Actuation Method
Determine the type of actuation needed for your 3 Way Plug Valve, whether manual, pneumatic, or electric. Electric actuators might cost more upfront but offer precise control, which is essential for complex systems. The wrong actuation method can lead to inefficiencies in your process.
03
Flow Capacity (Cv)
NTVAL’s 3-Way Plug Valves offer various CV values to match system demands. A higher Cv means greater flow capacity. For example, a CV of 50 is needed for a flow rate of 50 gallons per minute to ensure optimal performance.
FAQs of 3 Way Plug Valve
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