The Series 3500 flanged safety-relief valves are of a full lift design offering superior flow capacities suitable for steam, gas and liquid services.
Available as either ASME Section VIII division 1 “UV Stamp” coded or to API 520 as standard.
The minimum set pressure for standard valves is 1.0 Bar, for valves fitted with balancing bellows the minimum set pressure is 1.4 Bar up to and including the J orifice reducing to 1.0 Bar for the larger sizes K to T orifices.
The Series 3500 valves can be fitted with the following optional accessories:
- Balancing or Sealing Bellows
- Lifting Levers
- Test Gag
- Micro Switches