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  • RELIEF VALVE OPEN DISCHARGE ST TYPE SCD

    RELIEF VALVE OPEN DISCHARGE ST TYPE SCD

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    This valve protects a pressure system by automatically opening when the pressure exceeds a preset limit, allowing fluid to discharge freely into open atmosphere (or safe vent) rather than into a downstream piping system.

    Key Features

    • Open Discharge Outlet: When the set pressure is exceeded, the valve vents the excess pressure directly to the outside (ambient) rather than into a downstream pipe.

    • Spring‑loaded Mechanism: A calibrated spring holds the valve shut under normal pressure. Once the pressure exceeds the set value, the spring is overcome and the valve opens.

    • Manual Adjustment / Setting: The set pressure can typically be defined at installation (or factory‑set).

    • Re‑seating Ability: Once pressure drops back below a set threshold (blow‑down), the valve closes again to prevent further discharge.

    • Compact Connection: Commonly screwed or flanged inlet; outlet is free.

    • Applications: Air/gas compressors, pressure vessels, general industrial systems where over‑pressure protection is required and discharge to atmosphere is acceptable.

    Typical Sizes Available

    • ½″ (15 mm) threaded inlet

    • ¾″ (20 mm)

    • 1″ (25 mm)

    • 1½″ (40 mm)

    • 2″ (50 mm)
      (Larger sizes may also be available depending on manufacturer / model series.)

    Typical Spec Limits

    • Set‑pressure range: e.g., 0.5 bar g up to ~10 bar g (varies by model)

    • Maximum allowable temperature: depends on materials, e.g., up to ~180 °C or more

    • Material: brass or steel body, corrosion‑resistant internals

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  • SAFETY VALVE ANGLE TYPE SCRD ENDS

    SAFETY VALVE ANGLE TYPE SCRD ENDS

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    This is a compact spring‑loaded safety/relief valve made by UTAM, designed for installation in piping systems to protect against over‑pressure. It features an angle configuration (inlet and outlet form approximately a 90° angle) and screwed threaded ends for easy connection.

     Key Features

    • Angle‑type design: Inlet and outlet form a bend (~90°), which helps in tight or compact piping layouts.
    • Screwed ends: Threaded connections (e.g., BSP/NPT) — easy to install in standard threaded piping.
    • Spring‑loaded operation: The valve remains closed under normal pressure, and opens automatically when pressure exceeds a preset set value, venting the excess fluid/gas.
    • Re‑closing ability: After pressure drops back below the set threshold, the valve resets and stops the discharge.
    • Reliable construction (UTAM brand): Made with robust materials (body, spring, disc/seat) and designed for industrial applications such as boilers, vessels, pipelines.
    • Standard specification features:
      • Set‑pressure range from roughly 0.5 bar up to about 10 bar for their typical screwed models.
      • Max operating temperature around 200‑225 °C (depending on version) and capable of body test pressures (e.g., 24 bar) in their datasheet.
      • Sizes in the UTAM offering: 15mm (½″ BSP), 20mm (¾″), 25mm (1″), 32mm (1¼″), 40mm (1½″), 50mm (2″) for their standard safety valve line.

    Typical Sizes (Threaded / Screwed Version)

    • ½″ (15 mm)
    • ¾″ (20 mm)
    • 1″ (25 mm)
    • 1¼″ (32 mm)
    • 1½″ (40 mm)
    • 2″ (50 mm)

      Typical Applications

    • Boilers and pressure vessels
    • Piping lines carrying steam, air, water, gas
    • Process industries including chemical, pharmaceutical, food
    • Protection of pumps, compressors, and other pressurized systems
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