42 Brand 31 API Valve 27 G7 26 Korea 25 EU 24 KSPC 23 Tank 22 Class 150 15 OECD 12 Germany 10 Ball Valve 10 Oil and Gas Valve 9 Breather Valve 9 Japan 8 Check Valve 8 Handwheel 8 Safety Valve 8 Water Work Valve 7 Globe Valve 7 Steam Valve 6 API 2000 6 PRV 6 Singapore 6 Spain 5 DYNO 5 Italy 5 LNG Valve 5 LPG Valve 5 PN16 5 Pilot Operated Valve 5 Stainless steel 4 Bolt Nuts 4 DIN Valve 4 Gate Valve 4 KSB 4 Pressure Reducing Valve 3 Boscarol 3 Breather Valve wFlame Arrester 3 Carbon steel 3 Chemical Engineering 3 Class 900 3 Cryogenic Valve 3 Diaphragm Valve 3 Electric Power 3 Fire Fighting Valve 3 Flame Arrester 3 Gasso 3 Gray Cast Iron 3 High Pressure Valve 3 Jis 10K 3 Manual Valve 3 NFK 3 Nacional 3 PN10 3 PSV 3 Petrochemical Engineering 3 Petroleum Refining 3 Pressure Relief Valve 3 Sanitary Valve 3 Strainer 3 USA 3 Venn 3 Yoshitake 3 offshore Oil 2 A217 WC9 2 API 526 2 API 598 2 ASME B16.34 2 ASTM A193 Gr B7 2 ASTM A194 Gr 2H 2 ASTM A320 L7 2 Actuators & Regulators 2 Air Valve System 2 Alloy Steel 2 Balem 2 Bellow Valve 2 Boiler Valve 2 Butterfly Valve 2 China 2 Class 1500 2 Class 2500 2 Class 300 2 Class 4500 2 Class 600 2 Cold galvanized 2 Emergency Vent Cover 2 Expansion Joint 2 FC200 2 Floating Ball Valve 2 France 2 HD Fire 2 Heavy Hex Nut 2 India 2 Jis Valve 2 KITZ 2 Klinger 2 Kunkle 2 LESER 2 LPG 2 Lever type 2 Needle Valve 2 PN25 2 PN420 2 Poland 2 Portugal 2 Relief Valve 2 SAMYANG 2 Steam Trap 2 Stud Bolt 2 Stud bolts 2 TLV 2 Trunnion Mounted Ball Valve 2 Vacuum Relief Valve 2 Yamamoto 2 the Netherlands 1 3 Functions Air valve 1 3S CO 1 A182 F22 Cl3 1 A182 F91 1 ADCA 1 ANSI 150lb 1 API 527 1 API 602 1 API 6D 1 API MONOGRAM 1 ASCO 1 ASME B16.34 - 2020 1 ASME VIII 1 ASTM A182 LF2 1 ASTM A194 Gr 4 1 ASTM A194 Gr 7 1 ASTM A216 WCB 1 ASTM A216 WCC 1 ASTM A217 C12A 1 ASTM A217 C5 1 ASTM A217 WC6 1 ASTM A217 WC9 1 ASTM A351 CF3M 1 ASTM A351 CF8 1 ASTM A351 CF8C 1 ASTM A351 CF8M 1 ASTM A352 LCB 1 ASTM A352 LCC 1 ATEX 1 AUMA 1 Actuated Diaphragm Valve 1 Air Release Valve 1 Andrex 1 Anti-vibration rubber joint 1 Armstrong 1 Automatic Air valve 1 Automatic Recirculation Valves 1 Azbil 1 Azbil flowmeter 1 BSP threaded sockets 1 Backflush Distributor 1 Balancing Valves 1 Ball Valve with a Probe 1 Bar 1 Bare Stem Metal Seated Ball Valve 1 Basket Strainer 1 Bellows seal 1 Bellows-type 1 Bestobell 1 Bottom Valve 1 Breakaway couplings 1 British 1 Broady 1 Bulkhead fitting 1 Butt Weld 1 Bypass Gate Valve 1 CES 1 Camlock 1 Canada 1 Caprari 1 Castings 1 Chemical Composite Hose 1 Class 800 1 Clean Room 1 Composite Hose 1 Constant Effort Supports 1 Control Valve 1 Conval 1 Corroshield® PTFE Blue 1 Crosby 1 Cryogenic Pressure Regulator 1 Cryogenic by-passes 1 DN150 1 DN6 1 DST-100 1 Deluge Valve 1 Diaphragm pressure gauge guard 1 Differential Control Valve 1 Double Block Bleed Ball Valve 1 Double union 1 Dual Plate Check Valve 1 Ductile Cast Irons 1 Ductile Irons 1 Duplex 1 Duplex Steel Ball Valve 1 Economisers 1 Economizer Pressure Reducing Valve 1 Electric Actuator 1 Electric Motor Control Gate valve 1 Electromagnetic Valve 1 Emerson 1 England 1 Filter 1 Fire safe and Anti-static device 1 Fisher 1 Fittings 1 Flagged 1 Flanged 1 Flexible Hose 1 Flexible hose for chemical’s tank 1 Flexible hose of the High Pressure Gas Safety 1 Float Trap 1 Float Valve 1 Flow Control 1 Flow Meter 1 Fluorine resin hose 1 Folding Stair 1 Folding Stairs 1 Foot Valve 1 Forgings 1 Fully Welded Ball Valve 1 Gaskets 1 Gassoflex hoses 1 Gate Valves with Drain Valve 1 Gauge Hatch Cover 1 Gear type 1 Gearbox Floating Ball Valve 1 Grounding System 1 Hanger Rods 1 Hastelloy 1 High Class Metal Seated Ball Valve 1 Hose lever coupling type 1 IBC ball valve 1 IDAG 1 Inconel 1 Industrial Applications 1 Ishan 1 Israel 1 JIS G5501 1 JIS G5501 FC200 1 Jis 20K 1 Jis 25K 1 Jis 30K 1 Jis 5K 1 KFD 1 KPa 1 KS105 1 KS110 1 KS115 1 KS120 1 KSBB 1 KSBBF 1 KSBBFI 1 KSBBJ 1 KSBBJS 1 KSBD 1 KSBG 1 KSBGFI 1 KSBGJ 1 KSBJ 1 KSBJKSJS 1 KSBS 1 KSBSFI 1 KSDS 1 KSEP 1 KSEPK 1 KSFD 1 KSFD-A 1 KSFE 1 KSFE-A 1 KSFE-S 1 KSFF 1 KSFH 1 KSFI 1 KSFI-A 1 KSFI-J 1 KSFL 1 KSFLD 1 KSFTFH 1 KSGH 1 KSGS 1 KSGSFI 1 KSGSJ 1 KSPOP 1 KSPR 1 KSPS 1 KSRRK 1 KSSD 1 KSSD-A 1 KSVB 1 KSVR 1 KSVRFI 1 KSVS 1 KSVSFI 1 Kgf/cm2 1 Knife Gate Valve 1 LNG 1 Level Control Valve 1 Lifting Lever 1 Line Blind Valve 1 Load Arms 1 Loading Platforms 1 Loading Terminal 1 Loading Valve 1 M-PRV-S 1 Manhole cover 1 Mankenberg 1 Manual Gate valve API 600 Design 1 Marine Valve 1 Mbar 1 Metal Seated Ball Valve 1 Metering skids 1 Metric Socket 1 Modulating 1 Monoflange Needle Valve 1 Muller CO-AX 1 N2 Blanketing Valve 1 NDV 1 Natural Gas Industries 1 Oil mist injection machine 1 Orbinox 1 Orifice Plate 1 PFA Lined Ball Valve 1 PN20 1 PN40 1 PN6 1 PRV-CPR 1 PTFE Lined 1 PTFE Lining Rubber Joint 1 PVC-U 1 Pa 1 Parallel Disc Gate Valve 1 Parker Bestobell 1 PetroChemcial 1 Petroleum 1 Pinch Valve 1 Piston Valve 1 Plain 1 Plug Valve 1 Pneumatic Accessories 1 Pneumatic Actuator 1 Pressure Build Up Valve 1 Pressure Gauge 1 Pressure Reducer 1 Pressure Reducing Pilot Trim 1 Pressure Seal Bonnet 1 Pressure Seal Bonnet with Bypass 1 Pressure Sealing Swing Check Valve 1 Pressure Vacuum Relief Valve 1 Pressure retaining valve 1 Psi 1 Pulp and Paper Manufacturing Process 1 Pumping Trap 1 Quick release coupling 1 RTJ 1 RTJ Flange Metal Seated Ball Valve 1 Rail cars 1 Ramén Valve 1 Reduce Bore 1 Reducers 1 Reliable 1 Restriction Orifice Plate 1 Rubber Ball Joint 1 Rubber Flexible Joint 1 Rupture Disc & Explosion Panel 1 SAFI 1 SCS 1 SUS 1 Schubert&Salzer 1 Side Entry Floating Ball Valve 1 Side Entry Trunnion Ball Valve 1 Sight glass 1 Slide Bearings 1 Spiral Wound Gaskets 1 Spray oil injection machine 1 Spring supports 1 Steel Use Stainless 1 Super duplex 1 Sweden 1 Swing Check Valve 1 Swissfluid 1 Switzerland 1 Tank Bottom Valve 1 Tank trucks 1 Tank vent 1 Thailand 1 Thermostatic Steam Trap 1 Threaded 1 Three-piece joints 1 Tilting Disc Check Valve 1 Top Entry Ball Valve 1 Torr 1 Tozen 1 Truck Bottom Loading Arm 1 Turkey 1 UK 1 United Kingdom 1 Unloading Arms 1 VES 1 VYC 1 Valves 1 Variable Effort Supports 1 Vietnam 1 Vir 1 WC 1 Wedge Gate Valve 1 Weflo 1 Welded 1 Welding End 1 Wika 1 Y Strainer 1 YAWM-1 1 YSM-C 1 Zetkama 1 mmHg 1 mmWC 1 the United Kingdom 1 the United States

Valvulas NACIONAL

 


Valvulas NACIONAL, SA was founded in Spain in 1976. The main goal of the company is to help the petrochemical and chemical industries emerging in Spain at that time. From the very beginning, Valvulas NACIONAL, SA has specialized in the design and manufacture of safety valves in accordance with the most common international standards and regulations: API, ASME, ASTM and European directives 97/23 and 94/9 CE. Manufacturing process accredited by ISO 9001-2008 certification

Our know-how and ability to adapt to constantly changing market requirements has made possible the introduction of new products designed for the market, thermosolar power plants. Valvulas NACIONAL has fully equipped more than 16 similar plants worldwide with safety valves. There is also a continuous supply of safety valves for all major players in the Spanish petrochemical, chemical and oil refining industries.

Production capacity

VALVELAS NACIONAL, S.A. valves' have their discharge coefficients approved in laboratory tests, in order to guarantee and assure the correct values ​​are being used for every sizing process.

In our Technical sales department we work with a modern software which allows us to verify all the possibilities, and to assure strict fulfillment of all international standards.

VALVELAS NACIONAL, S.A. has established representation agreements with the most important O.E.M. companies in the safety sector of the industry, consolidating us as one of the main companies by product range; design and consulting in new plants or

print new process.

Our continuous growth, shows a clear trend, which confirms the integration of our workers to provide first class service to our customers and partners.

Factory & location

Our facilities are Rubí (Barcelona - Spain), with more than 1,200 m2 are fully prepared for our production activities: machining with modern CNC, assembling and testing. We also have long term agreements with approved workshops, which provides us with flexibility and fast feedback to customers demands, with full

quality guarantee which has always been our main target.

Strategic alliances

Nowadays VALVELAS NACIONAL, S.A. starts an internationalization

process, establishing representation agreements in different countries and continents all over the world, with specialized companies that will provide added value in our service towards the end user.

VALVELAS NACIONAL providing safety since 1976 !

Valvulas NACIONAL, SA was founded in Spain in 1976. The main goal of the company is to help the petrochemical and chemical industries emerging in Spai

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