Check Valve

Pressure Seal

A forged steel check valve is a robust and reliable valve designed for high-pressure applications in industrial settings.

Specifications

Check Valve - Pressure Seal

Size Range

2 – 56 NPS, DN50 - DN1400

Body Materials

Carbon Steels, Low Temperature Carbon Steel, Martensitic Steels, Austenitic Stainless Steel, Duplex Stainless Steels, Super Duplex Stainless Steels, Nickel Alloys, Nickel Aluminum Bronze, Hastelloy, Inconel, Titanium Alloy & Carbon Steel with Internal Corrosion Resistant Alloy (CRA) Overlay

Temperature Range

-29°C to 650°C

Trim Materials

Maximum Allowable Operating Pressure

ASME 150# to 2500#

Pressure-Temprature Rating

ASME B 16.34

Construction Details

Pressure Seal

Body Style

Flanged End, Butt Weld

Design Standard

API 6D, API 594, BS 1868

Flange Drilling

ASME B16.5

Testing Standard

API 598, API 6D

Face To Face

ASME B16.10

Applications

Refineries,Hydrocarbon,Energy and Process industries.

Operation

Auto

Features:

- Rugged Forged Steel Construction: Made from high-quality forged steel, these valves boast exceptional strength and durability. The forging process ensures a uniform grain structure with minimal internal defects, leading to a reliable product built to withstand high pressures and temperatures.
- Variety of Designs: Forged steel check valves come in various designs to cater to different flow control needs. Some common types include:
  - Swing Check Valves: Feature a hinged disc that pivots to allow or prevent flow.
  - Tilting Disc Check Valves: Employ a tilted disc that offers lower head loss and quieter operation compared to swing check valves.
  - Ball Check Valves: Utilize a ball-shaped closure element for simple and reliable flow control.
- Pressure-Sealing Mechanism: These valves utilize a metal-to-metal (for high-pressure applications) or resilient-seated (for better sealing against varying pressures) mechanism to ensure positive shutoff and prevent backflow even under demanding conditions.
- Heavy-Duty Construction: The robust build of forged steel check valves makes them ideal for harsh environments with high pressure and extreme temperatures, ensuring reliable performance in critical applications.
- Diverse Connection Options: Available with flanged, screwed, or welded connections for compatibility with various piping systems.

Benefits:

- High-Pressure Rating: The forged steel construction allows them to handle exceptionally high pressures, making them perfect for demanding applications in oil and gas, power generation, and other high-pressure industries.
- High-Temperature Rating: The material can withstand high operating temperatures, expanding their range of usability in applications involving hot fluids like steam or heated process fluids.
- Durability and Extended Service Life: The robust construction and wear-resistant properties of forged steel ensure reliable operation for extended periods with minimal maintenance requirements.
- Leak-Proof Sealing: The pressure-sealing mechanism provides positive shutoff and minimizes the risk of leakage, crucial for preventing system contamination or pressure loss.
- Versatility: The availability of various designs and connection options allows forged steel check valves to suit a wide range of applications.

FAQs:

A. What are the advantages of forged steel compared to other materials for check valves?

- Forged steel offers superior strength, durability, and high-pressure/temperature ratings compared to materials like cast iron or plastic, making them ideal for demanding applications.

B. What factors influence selecting a forged steel check valve?

- Pressure and Temperature Ratings: The valve needs to be rated for the specific operating conditions (pressure, temperature) of your application.
- Pipe Size and Flow Rate: Choose a valve with the appropriate size and flow capacity to match your piping system.
- Fluid Compatibility: The valve materials must be compatible with the fluid being controlled to avoid corrosion or degradation.
- Valve Design: Select the specific design (swing, tilting disc, ball) that best suits your flow control requirements and application needs (e.g., prioritizing low head loss or quiet operation).

C. How do forged steel check valves compare to other check valve designs (e.g., swing vs. tilting disc)?

- - While both can be made from forged steel, the choice between swing and tilting disc designs depends on factors like desired head loss, noise considerations, and preferred flow path. Tilting disc valves generally offer lower head loss and quieter operation compared to swing check valves.

D. What are the maintenance requirements for forged steel check valves?

- They typically require minimal maintenance. Periodic inspection is recommended to ensure proper operation, identify wear on sealing surfaces or internal components, and potentially replace parts if necessary. The specific maintenance schedule will depend on the operating conditions and manufacturer’s recommendations.