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
Q: What does balanced bellows do?
A: Reduces effect of backpressure on set pressure (2700 model).
Q: High-temperature capability?
A: Yes – up to +1500 °F with proper materials.
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
Get in Touch
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