Best Availability Safety Valves

Type 310 XXL – Change-over Valve

Safety Valves Change-over valves allow uninterrupted plant availability which increases plant productivity.


Change-over Valves are used in plants which cannot or should not be switched off such as:

  • Storage tanks for industrial gas
  • Bitumen plants
  • Oil fields
  • Ethylene plants
  • Refineries

Product features

  • Uninterrupted operation
  • Simple handling
  • Heavy-duty design

Series 350 – Safety Valve

Bursting Disc combination

A bursting disc safety valve combination meets the highest tightness requirements and ensures controlled operation after a bursting disc bursts.


The combination of bursting disc and safety valve is the solution for the following applications:

  • Protection of the safety valve from corrosion or coatings.
  • Protection from operating conditions which could impair the functionality of the safety valve.
  • Safeguarding of the process with the highest possible tightness.
  • To prevent a complete media loss after the bursting of the bursting disc.
  • Avoidance of an uncontrolled shut down of a plant after the bursting of the bursting disc.
  • To achieve cost advantages for aggressive media.

Product features

  • Conformance to highest tightness requirements.
  • Combination of advantages of safety valve and bursting disc in TUEV certified connection.
  • Controlled operation after bursting of bursting disc

Expert technical

Contact us for expert technical advice with applications, grade selection and product working pressures.

Wide range of

DH Stainless stock the widest range of stainless steel piping and tubular products.

Three stock

DH Stainless have our main distribution stock hub at our head office in North West England as well as stock branches in Scotland and South East England.