CONCOA 420 Series Line Regulator

The 746 Safety Relief Valve features a freely pivoting disc that ensures optimal alignment with the nozzle. Its design incorporates top guiding, an unobstructed seat bore, and full lift capability, guaranteeing the highest possible discharge rate for maximum protection of your plant.

The 'conventional' configuration is ideal for applications where the built-up pressure does not exceed 5%. Additionally, this conventional valve is suitable for systems with a consistent superimposed back pressure of up to 80%.

Specifications

• Sizes: 1" x 1.1/2" to 4" x 6"
• Connections: Flanged
• Head Type: Open Lever
• Materials: Carbon Steel body, Stainless Steel trim
• Disc: Stainless Steel
• Medium: Gases, Steam
• Set Pressure: 0.35 to 40 Barg (dependent on size)
• Temperature: -29 to +232 degC

Notes: This valve can also be supplied with a dome top and Viton disc. Please see the options below for more details.

Product Specification

Size Options: 3/8", 1/2", 3/4", 1", 1.1/4", 1.1/2", 2"

Connections: Screwed BSPP or NPT

Materials:

• Inlet Nozzle: Stainless Steel
• Body & Bonnet: S.G. Iron (1.1)
• Disk: Metal, Viton, Nylon, PEEK, or Vespel
• Joints & Seals: NBR, FPM, EPDM (varies by model)

Head Type: C (Gas-tight cap)

Suitable Mediums: Steam, Gases, and Liquids

Set Pressure Range: 0.05 to 500 Barg (dependent on size - available with multiple springs)

Temperature Range: -10 to 280°C (this range applies to valves with a metal disk)

For reliable performance in a range of applications, our valves are expertly crafted to meet the highest standards of quality and durability. Choose from various sizes and materials to suit your needs, ensuring optimal compatibility with your systems. Ideal for controlling steam, gases, and liquids, these valves offer flexible pressure settings and a robust temperature range, making them the perfect choice for both industrial and commercial uses.

Explore our extensive selection of valve solutions today to discover the ideal fit for your requirements!

**Product Specification** **Size Options:** 3/8", 1/2", 3/4", 1" **Connections:** Screwed BSPP or NPT **Materials:** - **Nozzle:** Stainless Steel - **Spring Bonnet:** S.G Iron - **Disk:** Metal - **Joints & Seals:** NBR, FPM, EPDM (varies by model) **Head Type:** A (Gas Tight Lever) **Suitable Mediums:** Steam, Gases, and Liquids **Set Pressure Range:** 0.05 to 500 Barg (model dependent) **Temperature Range:** -10 to 280 °C **Additional Information:** We offer various other models (please refer to downloads) featuring alternative O-ring and disc materials, NPT connections, different orifice sizes, and distinct head types. For further assistance or specific inquiries, please do not hesitate to contact us. Optimise your operations with our robust pressure relief valves that cater to a wide range of applications, ensuring safety and efficiency in handling steam, gases, and liquids.