Forged Check Valve
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Nominal Size : |
3/8”- 1/2”- 3/4”- 1”- 11/4”- 11/2”- 2”- 21/2”- 3”- 4” |
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Pressure Rating : |
150LB300LB-600LB-800LB-900LB-1500LB- |
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Design Standards : |
BS 5352 |
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Actuation : |
Lever-operated |
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End Connections : |
Npt, Sw, Bw, Flanged-Rf/RTJ |
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Materials : |
ASTM A105 & AISI316 & AISI304 |
In industrial processes, choosing a forged check valve is the right solution to ensure that the flow reliably proceeds in one direction. Its forged steel body provides secure tightness even at high pressures and temperatures. With project-specific sizing, material and end-connection options, you can enhance operational safety across your plant.
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What is a Forged Check Valve?
A forged check valve is a type of one-way valve that prevents backflow of the medium. Since pressure-containing components such as the body and bonnet are manufactured from forged steel, the grain structure is dense and resistance to impact and pressure is high.
As a result, forged check valves offer both long service life and low leakage risk in demanding operating conditions such as steam, condensate, oil, gas and corrosive chemicals.
Design Options and End Connections
The forged check valve range can be configured with different internal mechanisms and end connections depending on your process requirements.
Internal Mechanism Types
- Lift (Piston) Check: Stable closing performance in vertical installation and pulsating flows; preferred in high-pressure services.
- Swing Check: Simple design with low pressure drop; widely used on horizontal lines.
- Ball Check: Reliable shut-off in viscous media and lines containing particles.
End Connections
- Socket Weld (SW): High pressure, compact installation; ideal for small nominal sizes.
- Butt Weld (BW): Excellent line integrity and sealing security; preferred on critical lines.
- Threaded (NPT/BSPT): Easy installation; suitable for points with frequent maintenance or replacement.
- Flanged: Easy removal, reassembly and overhaul; a practical solution for processes requiring regular maintenance.
Materials and Standards
The body and internal components of forged check valves are selected according to medium, temperature and corrosion conditions. Typical materials include A105 (carbon steel), F11/F22 (Cr-Mo), F304/F316 (stainless steel), LF2 (low-temperature carbon steel) and duplex grades.
Commonly applied design and test standards include:
- ASME B16.34: Pressure–temperature ratings
- API 602: Compact forged steel valves
- API 598: Leakage testing
- ASME B1.20.1: NPT threads
- ASME B16.11: Socket weld ends
- ASME B16.25: Butt weld end preparation
For sour and corrosive services, NACE MR0175 / ISO 15156 can be specified; for low fugitive emissions, ISO 15848; and for fire-safe requirements, API 607 / API 6FA options can be applied.
Fields of Application and Benefits
Forged check valve solutions are used in a wide range of systems such as power plants, refineries, petrochemical facilities, process water lines, steam–condensate networks, compressed air systems and gas lines.
A correctly selected check valve protects pumps and equipment from reverse-flow shocks, reduces maintenance costs and increases plant uptime.
Key Benefits
- Easy Maintenance: Good component accessibility and standardised internal parts.
- High Mechanical Strength: Forged construction provides resistance to impact and pressure.
- Tightness by Design: Low leakage risk with ASME/API-compliant testing.
- Compact Body: Space-saving solutions and easy isolation, especially in small diameters.
- Low Pressure Drop: Efficient flow thanks to optimised internal geometry.
- Wide Material Range: Correct combinations for corrosion, temperature and pressure conditions.
Why Choose Us?
- Expert Engineering: We work with you to select the right valve for your process and minimise the risk of misapplication.
- Flexible Manufacturing: Broad options in size, pressure class, material and end connection types.
- Fast Logistics and Support: Shipments from stock where available and comprehensive after-sales technical support.
Quotation and Project Support
Whether for a new installation or a revamp project, share your process data and we will optimise the forged check valve selection according to your site conditions. Based on flow, pressure and temperature data, we define the most suitable configuration using engineering calculations and provide you with a prompt commercial offer and delivery information.
If you are looking for a reliable, long-life and standards-compliant solution for demanding processes, a forged check valve is the right choice. Contact us now and let us design the optimum solution for your project together.
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