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Joining the group of companies in 2019, Nacional Safety Valves UK work in close partnership with the Spanish manufacturer of the same name, supplying industry recognised safety relief valves.


Connecting you to safety valves


Valvulas Nacional-Spain are part of the Pekos Group and have been designing and manufacturing Safety Relief Valves since 1976. Offering specialised products to the petrochemical, chemical and thermo-solar industries with approvals including ASME VIII-Div.1, API 526, and ISO 4126.

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As a group, we supply to the following industries:

Oil, Gas and Petrochemical
Clean Energy
General Process


Our in-house testing and setting rig ensures all our safety relief valves are set to the correct pressure

Access to extensive stocks both in the UK and from Spain, coupled with our on-site expertise

Speak to a Product Specialist

Contact us to discuss your requirements


Owen Stephens

Nacional Sales Manager

+44 (0) 7946 419 226

Stock Profile

Size Range3/4” to 4”
Orifice SizeC - L
Pressure ClassANSI 150# & 300#
ConstructionFull nozzle, conventional, flanged
MaterialsWCB body, St/St trim
DesignEN ISO 4126-1, ASME VIII DIV.1, API 526
SeatsMetal to Metal / Viton
VariationsPlain cap and Lever options available
Size Range1/2” to 10”
Orifice SizeC - T
Pressure ClassANSI 150# - 2500#
ConstructionSemi nozzle, full nozzle, conventional, bellows, threaded & flanged
MaterialsWCB, WCC, Stainless Steel, Duplex, Inconel
DesignAPI 526, EN ISO 4126-1, ASME VIII DIV.1, AD 2000-Merblatt
SeatsMetal to Metal & soft seated

In addition to our UK stock we also have access to extensive stocks from the factory in Spain, approximate value € 3.5 m

We also welcome opportunities to expand our stock profile in order to provide off-the shelf solutions to meet your specific requirements.

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Nacional Safety Valves UK Limited. Registration number: 12423367

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