Safety valves

Spring loaded high-efficiency safety valves baelz 70339 / baelz 70340

Spring loaded high-efficiency safety valve, angled. As safety valves for steam, gases and hot water in pressure vessels and steam boilers.

Series baelz 70339 version with closed bonnet.

Series baelz 70340 gastight version.

Spring-loaded diaphragm high performance safety valve baelz 70341

The baelz 70341 is a high performance diaphragm safety valve for heat generation plants with flow temperatures of 120°C. For plants according to DIN 4751 part 2.

Diaphragm safety valve baelz 70625

The baelz 70625 is a diaphragm safety valve for closed water heaters according to DIN 4753 part 1 and DIN 1988. KTW recommendations for drinking water are observed.

Diaphragm safety valve baelz 70625H

The baelz 70625H is a diaphragm safety valve for closed, thermostatically secured hot water heating systems according to DIN EN 12828 / TRD 721.

Safety valve baelz 70625-H4

The baelz 70625-H4 is a safety valve for closed, thermostatically secured water heating systems with flow temperatures up to 120°C, according to DIN EN 12828 / TRD 721, for all static heights or nominal outputs above 350 kW as well as solar systems according to DIN 4757, part 1 and 2.

Stainless steel safety valve baelz 70625-VA

The baelz 70625-VA is a stainless steel safety valve for protection of steam boilers and pressure vessel systems for steam, air and neutral gases.

Membrane safety valve baelz 70645

The baelz 70645 is an angled membrane safety valve according to DIN EN ISO 4126-1 / TRD 421 for the protection of pressure vessels, refrigeration systems and steam and industrial boiler systems.

Membrane safety valve for drinking water systems baelz 70651

Angled membrane safety valve according to TRD 721, DIN 4753 und DIN 1988 for closed, thermostatically safeguarded water heating systems for drinking and process water.

  • Material: Red bronze
  • Working fluid: Drinking water
  • Temperature: Drinking water applications, max. 95 °C
  • Fitting: Pointing vertically upwards and observing the direction of the arrow