Pressure / vacuum relief valves
Keep tank pressure and vacuum within a controlled range to prevent explosion or implosion. Common on road tankers and ISO tanks, and used across industrial and marine tank applications.
Precision-made stainless steel valves and tank equipment for road tankers, ISO tank containers, rail tanks and fuel transfer.

Fort Vale is known worldwide for quality, precision-made stainless steel products. It leads in innovation, design and safety, working closely with regulators to make the best product in its class.
Fort Vale controls every stage of manufacturing, from its own foundry to final testing, and supplies both standard and bespoke equipment. With offices and stock in the UK, USA, Holland, Singapore, South Africa, China and Russia, it's also a leading after-sales supplier of spares.
ISO 9001:2008, IMDG, ADR, AAR, RID, ASME 'U' Stamp, PED Module D & H.
Tank containers, road tankers, rail tanks, non-refrigerated liquefied gas tanks, powder tanks, nuclear and API 1004 fuel transfer.
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Keep tank pressure and vacuum within a controlled range to prevent explosion or implosion. Common on road tankers and ISO tanks, and used across industrial and marine tank applications.
Built for maximum safety and controlled discharge of liquid products on any tank. Available manual, pneumatic or heated, and in special materials on request.
Stainless steel manlids for tank farms, road tankers and ISO tanks, all made to EN14025. Neck rings in stainless or carbon steel, with custom designs in Duplex and molybdenum steels for specialist uses.
Our sales engineers in Durban and Johannesburg will recommend the right product for your application.