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Instrumentation

Safety Valves - Series 120

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Our Series 120 pressure relief valve is designed for safety and pressure relief in light to medium capacity applications, making it ideal where a smaller-sized valve is required.

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Product details

Overview

ASME SECTION VIII FOR AIR-GAS AND STEAM SERVICES

Our Series 120 pressure relief valve is designed for safety and pressure relief in light to medium capacity applications, making it ideal where a smaller-sized valve is required. With a higher capacity than Series 130, it is commonly used in OEM and field applications. ASME and National Board certified for Section VIII as well as CRN certifications.

Usages

Ideal for small high-quality valves, compressors, receivers, gas lines, steam lines, air and gas receivers, piping systems, tanks, steam cleaners, sterilizers, and autoclaves.

Features

  • Fixed blow-down for reliable performance
  • Brass/bronze construction for durability
  • Metal-to-metal seating ensures tight sealing
  • Rugged yet economical design
  • Stainless steel springs for longevity
  • Factory set and sealed for accuracy
  • Excellent seat tightness to prevent leakage

Options

  • Stainless steel body and disk for enhanced durability
  • Polishing and chrome plating available
  • Various inlet/outlet configurations and lift levers or pull rings
  • Custom configurations (not shown)
  • O2 cleaning for specialized applications
  • BSPT connections for compatibility

Series Overview:

Series 120

Top outlet with open lift lever for efficient pressure relief.

  • Temperature range: -20°F (-29°C) to 406°F (208°C)
  • ASME and National Board Certified for Section VIII & CRN

Series 121

Top outlet with lift lever and cap for added versatility.

  • Temperature range: -20°F (-29°C) to 406°F (208°C)
  • ASME and National Board Certified for Section VIII & CRN

Series 125

Side outlet bonnet with open lift lever, designed for specialized applications.

  • Temperature range: -20°F (-29°C) to 406°F (208°C)
  • ASME and National Board Certified for Section VIII & CRN

Series 126

Side outlet bonnet with lift lever and cap, offering additional protection.

  • Temperature range: -20°F (-29°C) to 406°F (208°C)
  • ASME and National Board Certified for Section VIII & CRN

Need a variant, or unsure which model fits?

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