Payal Engineering stands as one of the premier manufacturers, suppliers, and exporters of high-quality flow control valves in Gujarat, India. With a strong reputation built over years of expertise and commitment to excellence, Payal Engineering provides innovative flow control solutions for various industries, ensuring precise and reliable fluid flow regulation. The company has earned recognition for its ability to design, produce, and deliver flow control valves that meet the highest international standards.
Comprehensive Range of Flow Control Valves:- Needle Valves, Ball Valves, Globe Valves, Gate Valves, Pressure-Reducing Valves (PRVs), Check Valves
A Flow Control Valve is a type of valve used to regulate, control, or manage the flow rate of a fluid (liquid or gas) in a pipeline or system. These valves are essential components in various industrial applications, as they ensure that fluid flow is maintained at the desired rate and pressure. Flow control valves are designed to precisely manage the flow of a fluid to improve system performance, efficiency, and safety.
Flow control valves function by adjusting the size of the opening through which the fluid flows, either by throttling (partially closing) the valve or by fully opening or closing it, depending on the application. The flow rate of a fluid is influenced by several factors, including the pressure drop across the valve and the characteristics of the valve seat and the flow path.
There are two main types of flow control valves: manual and automatic.
Manual Flow Control Valves: These valves require manual operation, where the user adjusts the valve to control the flow rate. A common example of a manual flow control valve is a needle valve, which offers fine control over the flow due to its threaded adjustment mechanism.
Automatic Flow Control Valves: These valves automatically adjust the flow rate based on external factors, such as changes in pressure or temperature. They are often used in more complex systems where constant flow control is required without the need for manual intervention. Examples include pressure-reducing valves or pressure-relief valves.
Type of Valve | Material | Size | Pressure Rating | Temperature Range | Thread Types | End Connections | Flow Control | Seal Material | Features |
---|---|---|---|---|---|---|---|---|---|
Needle Valve | Stainless Steel (SS 304, SS 316), Brass, Carbon Steel, Alloy Steel | 1/8” to 2” | Up to 6000 PSI (413 bar) | -20°C to 450°C (-4°F to 842°F) | BSPT, NPT, BSPP, or customized threads | Screwed, Flanged, Welded Ends | Adjustable flow capacity (0 to 500 LPM) | PTFE, Viton, Nitrile Rubber | Precision-threaded, fine adjustment for low to medium flow |
Ball Valve | Stainless Steel (SS 304, SS 316), Brass, Carbon Steel | 1/4” to 4” | Up to 1000 PSI (69 bar) | -20°C to 250°C (-4°F to 482°F) | NPT, BSPT, BSPP, ANSI Flanged | Screwed, Flanged, Socket Weld | Full port, reduced port options | PTFE, Viton, EPDM | Tight shut-off, minimal flow resistance, long service life |
Globe Valve | Stainless Steel, Carbon Steel, Bronze, Brass, Alloy Steel | 1/2” to 12” | 150 to 1500 PSI (10 to 103 bar) | -20°C to 450°C (-4°F to 842°F) | NPT, BSPT, BSPP, Flanged | Screwed, Flanged, Welded | Precise flow regulation with minimal turbulence | PTFE, Graphite, Nitrile Rubber | Throttling design for accurate flow control |
Gate Valve | Stainless Steel (SS 304, SS 316), Cast Iron, Carbon Steel, Bronze | 1” to 36” | ANSI 150 to ANSI 2500 (up to 4000 PSI / 275 bar) | -29°C to 350°C (-20°F to 662°F) | NPT, BSPT, BSPP, ANSI Flanged | Screwed, Flanged, Butt Welded, Socket Welded | On/off control with low-flow resistance | PTFE, Graphite, Nitrile Rubber | Bi-directional, easy operation, high durability |
Pressure-Reducing Valve (PRV) | Stainless Steel, Brass, Carbon Steel | 1/4” to 6” | 100 to 1500 PSI (7 to 103 bar) | -20°C to 150°C (-4°F to 302°F) | NPT, BSPT, BSPP, Flanged | Screwed, Flanged | Adjustable pressure setting | PTFE, Nitrile Rubber, EPDM | Constant downstream pressure, protects systems from high pressure |
Check Valve | Stainless Steel, Brass, Carbon Steel, Cast Iron, PVC | 1/4” to 12” | Up to 2500 PSI (172 bar) | -10°C to 180°C (14°F to 356°F) | NPT, BSPT, BSPP, Flanged | Screwed, Flanged, Socket Weld, Butt Weld | One-way flow, prevents backflow | PTFE, EPDM, Nitrile Rubber | Spring-loaded, swing-type, or ball-type check valves |