ASME-certified Safety Relief Valve with High-flow Capability and Balanced Bellows for Industrial Boiler Pressure Protection

Product Overview

Consolidated 1700, 2700 and 3700 series are ASME-certified spring-loaded safety relief valves for protecting pressure vessels and systems from overpressure. The 1700 is conventional full-nozzle design, 2700 adds balanced bellows for backpressure handling, and 3700 offers larger orifices for high-flow relief. They are trusted in critical process applications for tight seating and repeatable performance.

Features

• Full-nozzle design for high capacity
• Balanced bellows (2700) – isolates spring from backpressure
• High-flow capability (3700 series)
• Adjustable blowdown ring
• Multiple trim and material options
• Open bonnet for high-temperature service
• Certified for gas, liquid, and steam

Technical Specifications

• Orifice Designation: D to T (API 526)
• Inlet/Outlet Sizes: 1" D 2" to 8" T 10" typical
• Set Pressure: 15 to 6000 psig
• Temperature Range: –423 °F to +1500 °F
• Body Materials: Carbon steel, stainless steel, chrome-moly
• Disc/Seat: Stainless steel, Stellite facing
• Leakage: API 527 certified tight
• Certification: ASME Section VIII, API 526/527

Applications

• Pressure vessel protection (ASME code)
• Steam drum and superheater relief
• Gas compressor discharge
• Refinery and chemical overpressure safety
• High-flow relief scenarios

FAQ

Contact Us

Email: edwardzhao@gbsxj.com

Phone/WeChat/WhatsApp: +8615000725058

Related Products

• Consolidated 1900 series safety valves
• Consolidated pilot-operated PRVs
• Consolidated 2900 balanced bellows valves