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Goetze Safety Valves

Valves Goetze

The Goetze Safety Valve series offers a comprehensive and versatile range of solutions for overpressure protection across critical applications. Precision-manufactured in stainless steel, gunmetal, brass, and cast steel, these valves combine technical excellence with operational safety.

With models supporting set pressures from 0.2 bar to 1,500 bar and temperature tolerances from -270°C to +400°C, the series meets the demands of industries such as chemical processing, cryogenics, food production, pharmaceuticals, and energy.

Available with threaded, flanged, and clamp connections in sizes DN 8 to DN 100, Goetze safety valves are trusted globally for their reliability, compliance, and ease of maintenance.

Series Overview
Advantages
Applications
Documents
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Series Overview

Series 852bHL – Safety valves with bellows made of gunmetal, angle type with flange connections

Valve size: DN 40 and DN 50 / 1 1/2″ and 2″
Pressure: 0.5 bar to 25 bar
Temperature: -10 °C to 120 °C

Series 4420 – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 15 to DN 32 / 1/2″ to 1 1/4″
Pressure: 0.2 bar to 25 bar
Temperature: -50 °C to 205 °C

Series 4450 – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 15 to DN 25 / 1/2″ to 1″
Pressure: 0.5 bar to 16 bar
Temperature: -50 °C to 205 °C

Series 4100 – Safety valves made of stainless steel, angle-type, with stainless steel spring

Valve size: DN 40 to DN 100 / 1 1/2″ to 4″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 400 – Safety valve made of stainless steel, angle-type with clamp connections and food connections

Valve size: DN 20 to DN 50 / 3/4″ to 2″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 4000 – Safety valve made of stainless steel, angle-type with stainless steel spring

Valve size: DN 25 to DN 100 / 1″ to 4″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 455 – Safety valves made of stainless steel, angle-type with flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.2 bar to 40 bar
Temperature: -60 °C to 400 °C

Series 4020 – Safety valve made of stainless steel, angle-type

Valve size: DN 25 to DN 50 / 1″ to 2″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 4040 – Safety valve made of stainless steel, angle-type

Valve size: DN 25 / 1″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 4060 – Safety valve made of stainless steel, angle-type

Valve size: DN 25 / 1″
Pressure: 0.4 bar to 16 bar
Temperature: -40 °C to 200 °C

Series 455-ANSI – Safety valves made of stainless steel, angle-type with ANSI flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.2 bar to 20 bar
Temperature: -270 °C to 400 °C

Series 852 – Safety valves made of gunmetal, angle-type with flange connections

Valve size: DN 40 to DN 50 / 1 1/2″ to 2″
Pressure: 0.5 bar to 25 bar
Temperature: -60 °C to 225 °C

Series 355 – Safety valves made of spheroidal graphite cast iron, angle-type with flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.2 bar to 40 bar
Temperature: -10 °C to 350 °C

Series 255 – Safety valves made of cast steel, in angle design with flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.2 bar to 40 bar
Temperature: -85 °C to 400 °C

Series 255 ANSI – Safety valves made of cast steel, in angle design with ANSI flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.2 bar to 20 bar
Temperature: -85 °C to 400 °C

Series 451 – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 70 bar
Temperature: -60 °C to 400 °C

Series 451bG – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 70 bar
Temperature: -60 °C to 400 °C

Series 451FL – Safety valves made of stainless steel, angle-type with flange connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 70 bar
Temperature: -60 °C to 400 °C

Series 451r with bursting disc – Safety valves made of stainless steel, angle-type with clamp connections and bursting disc

Valve size: DN 20 to DN 32 / 3/4″ to 1 1/4″
Pressure: 2 bar to 25 bar
Temperature: -40 °C to 200 °C

Series 851 – Safety valves made of gunmetal, angle-type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 851bG – Safety valves made of gunmetal, angle-type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 851FL – Safety valves made of gunmetal, angle-type with flange connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 460 – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 10 to DN 25 / 3/8″ to 1″
Pressure: 0.2 bar to 25 bar
Temperature: -60 °C to 225 °C

Series 652 – Safety valves made of gunmetal, angle-type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 1 bar to 16 bar
Temperature: -50 °C to 200 °C

Series 420 – Safety valves made of stainless steel, angle-type with threaded connections or cutting ring threaded connections

Valve size: DN 8 to DN 10 / 1/4″ to 3/8″
Pressure: 0.5 bar to 50 bar
Temperature: -60 °C to 260 °C

Series 461 – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 8 to DN 15 / 1/4″ to 1/2″
Pressure: 0.5 bar to 70 bar
Temperature: -60 °C to 225 °C

Series 861 – Safety valves made of gunmetal, angle-type with threaded connections

Valve size: DN 8 to DN 15 / 1/4″ to 1/2″
Pressure: 0.5 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 642 – Safety valves made of gunmetal, angle-type with threaded or flange connections

Valve size: DN 15 to DN 65 / 1/2″ to 2 1/2″
Pressure: 0.5 bar to 16 bar
Temperature: -50 °C to 205 °C

Series 645 – Safety valves made of gunmetal, angle-type with threaded or flange connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 16 bar
Temperature: -50 °C to 205 °C

Series 6420 – Safety valves made of gunmetal, angle-type with threaded or clamp connections

Valve size: DN 15 to DN 65 / 1/2″ to 2 1/2″
Pressure: 0.5 bar to 16 bar
Temperature: -50 °C to 205 °C

Series 6450 – Safety valves made of gunmetal, angle-type with threaded or clamp connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 16 bar
Temperature: -50 °C to 205 °C

Series 410 – Safety valves made of stainless steel, atmospheric discharge, with threaded connection

Valve size: DN 8 to DN 25 / 1/4″ to 1″
Pressure: 0.2 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 810 – Safety valves made of brass, atmospheric discharge, with threaded connection

Valve size: DN 8 to DN 50 / 1/4″ to 2″
Pressure: 0.2 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 412 – High performance safety valves made of stainless steel, atmospheric discharge, with threaded connection

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.2 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 812 – High performance safety valves made of brass, atmospheric discharge, with threaded connection

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.2 bar to 50 bar
Temperature: -60 °C to 225 °C

Series 413 – High performance safety valves made of stainless steel, atmospheric discharge, with threaded connection

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.2 bar to 6 bar
Temperature: -60 °C to 225 °C

Series 813 – High performance safety valves made of brass, atmospheric discharge, with threaded connection

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.2 bar to 6 bar
Temperature: -60 °C to 225 °C

Series 492 – High-pressure safety valves made of stainless steel, with threaded connection

Valve size: DN 8 to DN 25 / 1/4″ to 1″
Pressure: 50 bar to 1,500 bar
Temperature: -60 °C to 200 °C

Series 492GOX – High-pressure safety valve for oxygen

Valve size: DN 8 to DN 20 / 1/4″ to 3/4″
Pressure: 50 bar to 420 bar
Temperature: -40 °C to 60 °C

Series 2400 – Safety valve made of stainless steel, angle-type with threaded connections

Valve size: DN 8 to DN 40 / 1/4″ to 1 1/2″
Pressure: 0.2 bar to 70 bar
Temperature: -200 °C to 200 °C

Series 2480 – Safety valve made of gunmetal, angle-type with threaded connections

Valve size: DN 8 to DN 50 / 1/4″ to 2″
Pressure: 0.2 bar to 70 bar
Temperature: -200 °C to 200 °C

Series 651mHNK – Safety valves with diaphragm made of gunmetal, all-metal construction angle type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 2.5 bar and 3 bar
Temperature: -10 °C to 120 °C

Series 651mHNK VA – Safety valves made of stainless steel, angle-type with threaded connections=

Valve size: DN 15 / 1/2″
Pressure: 2.5 bar and 3 bar
Temperature: -10 °C to 120 °C

Series 651mHIK – Safety valves with diaphragm made of gunmetal, all-metal construction angle type with threaded connections

Valve size: DN 15 to DN 40 / 1/2″ to 1 1/2″
Pressure: 2.5 bar, 3.0 bar, 3.5 bar
Temperature: -10 °C to 120 °C

Series 451bH – Safety valves with bellows made of stainless steel, angle type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 25 bar
Temperature: -10 °C to 120 °C

Series 651mWNK VA – Safety valves with diaphragm made of stainless steel, angle type with threaded connections

Valve size: DN 15 / 1/2″
Pressure: 3 bar to 10 bar
Temperature: -10 °C to 95 °C

Series 651mWIK – Safety valves with diaphragm made of gunmetal, angle type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 6 bar to 10 bar
Temperature: -10 °C to 95 °C

Series 669 – Safety valve assemblies made of gunmetal, straight way form with threaded connections

Valve size: DN 15 and DN 20 / 1/2″ and 3/4″
Pressure: 6 bar to 10 bar
Temperature: -10 °C to 95 °C

Series 651mSK – Safety valves with diaphragm made of gunmetal, angle type with threaded connections

Valve size: DN 15 to DN 25 / 1/2″ to 1″
Pressure: 2 bar to 10 bar
Temperature: -10 °C to 120 °C

Series 651mSK VA – Safety valves made of stainless steel, angle-type with threaded connections

Valve size: DN 15 / 1/2″
Pressure: 2 bar to 10 bar
Temperature: -10 °C to 120 °C

Series 651mWNK – Safety valves with diaphragm made of gunmetal, angle type with threaded connections

Valve size: DN 15 to DN 32 / 1/2″ to 1 1/4″
Pressure: 3 bar to 10 bar
Temperature: -10 °C to 95 °C

Series 451bHF – Safety valves with bellows made of stainless steel, angle type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 25 bar
Temperature: -40 °C to 120 °C

Series 851bHF – Safety valves made of gunmetal, angle-type with threaded connections

Valve size: DN 15 to DN 32 / 1/2″ to 2″
Pressure: 0.5 bar to 25 bar
Temperature: -40 °C to 170 °C

Series 851bH – Safety valves with bellows made of gunmetal, angle type with threaded connections

Valve size: DN 15 to DN 50 / 1/2″ to 2″
Pressure: 0.5 bar to 25 bar
Temperature: -10 °C to 120 °C

Series 455bHL – Safety valves with bellows made of stainless steel, angle type with flange connections

Valve size: DN 15 bis DN 100 / 1/2″ bis 4″
Pressure: 0.5 bar to 25 bar
Temperature: -10 °C to 120 °C

Series 355bHL – Safety valves with bellows made of GGG 40.3 spheroidal graphite cast iron with flange connections

Valve size: DN 15 to DN 100 / 1/2″ to 4″
Pressure: 0.5 bar to 25 bar
Temperature: -10 °C to 120 °C

Advantages

Complete material range: Stainless steel, gunmetal, brass, cast steel
Pressures from 0.2 to 1,500 bar and cryogenic to extreme heat conditions
Compact and externally adjustable designs
Threaded, flanged, clamp, and combination connections
Safety valves for oxygen, steam, food, pharma, cryogenics, and general industrial use
Specialised series for atmospheric discharge, high-pressure, and ANSI flange standards

Applications

Chemical and petrochemical plants
Power generation and heat transfer systems
Compressed air and gas distribution
Pharmaceutical and biotech industries
Food and beverage production lines
Cryogenic storage and distribution
General industrial engineering
Marine and offshore systems
Water, HVAC, and process infrastructure

Documents

Contact Us

Do you have questions or comments about receiving a quote, our products, solutions and services, and support? Contact us by filling out the form.

Brendan Merrigan (External) – mob: 087 2598124
Darragh Rodgers- tel: 021 461 7241
Brian Barry – tel: 021 461 7211
Shauna O’Connor – tel: 021 461 7237
Vicki McGrath – tel: 021 461 7207
Tim Quigley – tel: 021 461 7209
Cathal Hannon - Tel: 021 461 7200
Office - tel: 021 461 7200

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