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Safety Relief Valves

Safety Relief Valves
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Safety Relief Valves

Product catalog summary
Overview
WITT offers a range of safety relief valves designed to protect pressurized systems from overpressure, with adjustable opening pressures ranging from 5 mbar to 45 bar (0.07 psi to 650 psi). These valves are suitable for various applications, including tank construction, industrial furnace construction, insulators and reactors, pipes and plant construction, and hydrogen vehicles.

Specifications
WITT safety relief valves are available in materials such as brass, stainless steel, and aluminum, with options for manual ventilation and condensate outlets. They are certified by TÜV, ensuring the correct setting of opening pressures.

Applications
  • Tanks and Pipes: Protects against excess pressure in transport containers, storage tanks, and more.
  • Industrial Furnaces: Safeguards process chambers in protective gas atmospheres.
  • Hydrogen Vehicles: Complies with EC 79/2009 regulations, approved by the German Federal Motor Transport Authority.

Product Range
  • SV805/SV805A: Classic models with adjustable opening pressures and high blow-off volumes.
  • AV619/AV919: Suitable for minimum overpressures with high response sensitivity.
  • AV319: Compact design for low overpressures, ideal for confined spaces.
  • SV811L: Designed for hydrogen vehicles, offering protection against hazardous overpressure.

Features
  • Individually adjustable opening pressures.
  • High blow-off volumes.
  • Suitable for a wide range of gases and temperatures.
  • 100% component testing for maximum safety.
  • Compact and versatile installation options.

Quality Assurance
WITT ensures high-quality production and comprehensive quality management, with all valves manufactured according to best engineering practices and safety regulations.

Contact Information
WITT-Gasetechnik GmbH & Co KG and its global partners provide extensive support and service for their products.
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Catalog excerpts

Safety Relief Valves-1

Safety relief valves The most effective protection against overpressure from 5 mbar to 45 bar / 0.07 psi to 650 psi SECURE YOUR SYSTEMS AND COMPONENTS WITH SAFETY RELIEF VALVES FROM WITT DAVID BREIL, SALES MANAGER – WITT-GASETECHNIK

 Open the catalog to page 1
Safety Relief Valves-2

PROTECTION AGAINST OVERPRESSURE WITT safety relief valves safeguard pipes, pressure vessels and system components from excessive gas pressure For operators of pressurised systems and components they are the last line of defense before excess pressure becomes a disaster: Safety relief valves. Safety relief valves from WITT provide effective protection against overpressure by blowing off vapours and gases from pipes, pressure vessels and system components. WITT offers individually tested safety relief valves with individually adjustable opening pressures from 5 mbar to 45 bar / 0.07 psi to 650...

 Open the catalog to page 2
Safety Relief Valves-3

OUR PORTFOLIO › ROBUST ALL-ROUNDER SV805 AND SV805A A classic among WITT safety relief valves Reliably protects tanks and pipes against excess pressure Individual opening pressure between 0.5 and 45 bar / 7 psi and 652 psi Maximum volume flow up to approx. 665 m3/h / 23,470 scfh for air Compliant with Pressure Equipment Directive 2014/68/EU Compact size Installation irrespective of position Suitable for numerous applications On request, also available with a condensate outlet Model SV805A also has a ventilation function, allowing functionality testing at any time when installed TÜV individual...

 Open the catalog to page 3
Safety Relief Valves-4

Stainless steel Stainless steel Single certification (Modul F) Manufactured and certified according to EN ISO 4126-1 AD 2000 bulletin A2 and VdTÜV-bulletin 100 Manual ventilation Inlet filter (optional) With condensation outlet Opening pressure Single certification (Modul F) Technical information Manufactured and certified according to EN ISO 4126-1 AD 2000 bulletin A2 and VdTÜV-bulletin 100 With condensation outlet Manual ventilation Inlet filter (optional) Opening pressure Technical information Stainless steel Stainless steel Approved by the KraftfahrtBundesamt (German Federal 4,5 bar–45 bar...

 Open the catalog to page 4
Safety Relief Valves-5

OUR PRODUCT RANGE GAS CONTROL EQUIPMENT Gas mixing systems Gas metering systems Gas analysers Leak detection systems Gas pressure vessels Engineering of customised systems GAS SAFETY EQUIPMENT Flashback arrestors Non-return valves / check valves Quick couplers Safety relief valves Stainless steel devices Gas filters Pressure regulators Outlet points Lance holders Ball valves Automatic hose reels Test equipment Accessories Customised safety equipment GUSTUS & PARTNER GmbH Installation – Service – Wartung Alt Salbke 6–10, Geb. 59 39122 Magdeburg Deutschland Tel. +49 (0)391 4015246 Fax +49 (0)391...

 Open the catalog to page 5

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.