Goetze Series 618 overflow valves are sometimes known as backpressure valves.

By means of an external setting mechanism this valve can be set or adjusted by the operator during operation. The closed, gastight version with large spring ranges offers a wide range of application possibilities.

This valve is also widely used as an overflow valve in applications where the plant pressure often changes. Due to its versatility and large spring ranges, this valve can be highly recommended as a stock item.

Usage

Goetze Series 618 are used for the protection of:

• pumps against overloading in closed circuits for neutral / non-neutral,
  non-sticking liquids
  For the control of:
• systems under pressure for neutral / non-neutral gases and vapours and
  – depending on the sealing material – also for steam
• pump protection
• test rig construction
• process equipment construction
• shipbuilding industry and marine equipment
• de-icing technology
• mechanical engineering
• industrial applications

Industries that rely on Goetze TÜV/CE safety valves

• Industrial applications
• Process equipment construction
• Chemical plants
• Power plants
• Biogas plants
• Shipbuilding and repair
• Plant engineering
• Energy industry
• Secondary areas in the food, beverage,
• pharmaceutical and cosmetics industry

The following type approvals are available:

• American Bureau of Shipping (ABS)
• DNV
• Lloyd’s Register EMEA (LR)
• Bureau Veritas (BV)
• Russian Maritime Register of Shipping (RMS)