valvtronic S.A

Company
We are an Argentine company committed to pay a close attention to our customer’s needs, to constantly improve our staff’s performance, and to establish a long term relationship between Valvtronic´s staff and our working environment. We were born and raised in this business, for our present and future depends on it.

Know-how
The company’s management as well as Valvtronic work team have a broad knowledge of the different industries and markets, its processes and problems, plus the up-to-date technological improvements to solve those challenges.         

Engineering and Production
We count on our own Engineering Department together with an international technical support provided by our colleagues abroad. The training of Valvtronic´s staff as well as clients is one of our main priorities.  We work energetically to improve our products and to develop new technologies.
We are constantly offering new developments in our industrial plant located in Luján de Cuyo - Mendoza Province - thanks to our high-quality resources and long running knowledge of butterfly valve production, special products as well as its automation.

Commitment
Since the beginning, our clients have been the driving force of our business development. Thus, we hope they continue to count on us. Valvtronic believes that behind the production, solutions for people and professionals come first, as they are the most relevant key factor in the company success.  

Success
We appreciate your constant support, which enables us proudly and responsible to lead the market of butterfly valves and its automation once again at a national level. Since 2004, we are suppliers not only in Argentina but also in Peru, Bolivia, Chile and Venezuela.

Thank you!
Valvtronic directors, employees and suppliers.   

Products
Click on the list of products to the right side of the page.

VALVES
1. Resilient Seated Butterfly Valves - Cartridge Style
Type: VXS
General Information
Design Standards: API 609.
Size Range: 2” to 36”.
Pressure Class: 50 and 150 PSI (CWP).
Lug and Wafer connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 
Materials
Body: Ductile Iron A536 65-45-12.

Disc: Stainless steel A351 CF8M or Ductile Iron A536 65-45-12.

Shafts: AISI 410/420.
Seat: BUNA N, EPDM, Viton. HTV.
Features
Cartridge type seat
Manual polished disc edges.
Direct-Drive connection.
Anti-blowout shaft. 
The longest service life within the market.

Type: VXH
General Information
Design Standards: API 609.
Size Range: 2” to 48” (available bigger sizes up to 104”).
Pressure Class 50, 150 and 250 PSI (CWP).
Lug and Wafer connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 
Materials
Body: Ductile Iron A536 65-45-12 or A395, carbon steel A216 WCB, Stainless steel A351 CF8M.
Disc: Stainless steel A351 CF8M, Aluminum-Bronce B954, Ductile Iron A536 65-45-12, Stainless steel A351 CF3M.
Shafts: AISI 410/420.
Seat: BUNA N, EPDM, Viton. HTV.
Features
Cartridge type seat
Manual polished disc edges.
Direct-Drive connection.
Anti-blowout shaft. 
The longest service life within the market.
 
2. Butterfly valves for highly corrosive and abrasive applications
Type: S20, S21
General Information
Design Standards API 609.
Size Range 2” to 20”.
Pressure Class 100 and 150 PSI (CWP).
Wafer and lug connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 

Materials
Body: Ductile Iron A536 65-45-12, Cast Iron A126 Gr B, Stainless Steel A351 CF8M.
Disc-shaft: Stainless steel 17-4 PH - PTFE or EPDM coated stainless steel A351 CF8M.
Seat: PTFE, BUNA N, EPDM, Viton.
Features
17-4 PH as base material for disc-stem assembly.
3.0 mm minimum thickness of PTFE on the shaft disc assembly.
Pure PTFE seat 1.5 mm minimum thickness.
Triple seal on the passage through the shaft.
Nylon 11 as Standard body coating

3. High Performance Butterfly Valves
Type: S40, S41, S42, S43, S44, S45
General Information
Design Standards: API 609.
Size Range: 2” to 48”.
Pressure Class: ANSI 150, 300 and 600 Full Rated.
Wafer and lug connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 
Materials
Body: Carbon steel A216 WCB, Stainless steel A351 CF8M, Aluminum-Bronce ASTM B148 UNS 95800.
Disc: Stainless steel A351 CF8M, Aluminum-Bronce ASTM B148 UNS 95800.
Shafts: Stainless steel 17-4PH, Monel K500.
Seat: RTFE, PTFE, Inconel 718.
Features
Full rated bi-directional in wafer and lug bodies.
Anti-blowout shaft.
Fire safe version with Inconel seat and ENP on the disc to avoid damage to the disc.
Lower operational torques, less size on actuators and less energy consumption.
Especial settings for oxygen and chlorine.

4. Triple Excentric Butterfly Valves
Type:
General Information
Design Standards: API 609 and ASME B16.34.
Size Range: 3” to 48” (available higher sizes up to 96”).
Pressure Class: ANSI 150, 300, 600 and 900 Full Rated.
Flange, wafer and lug connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 
Materials
Body: carbon steel A216 WCB, Stainless steel A351 CF8M.
Disc: carbon steel A216 WCB, Stainless steel A351 CF8M.
Seal Ring: Stainless steel 300 and 400 series.
Shafts: AISI 420, stainless steel 17-4PH, Inconel.
Seats: Stainless steel 300 and 400, stellite 21.
Features
Metallic seal, zero leakage according to API598.
Closure torques that guarantee long life of closure quality.
Complete metallic built in product, fireproof.
Distance between face to face ISO 5752, API 609 and B16.10 for direct replacing of other valves.
Integral titanium built in valves for off-shore platforms.

5. Sanitary Full Stainless Steel Valves
Type: Butterfly, Piston, Mix Proof, Globe, Modular, High Pressure, Full stainless steel Actuators
General Information
Size Range: 1” to 6” (available higher sizes up to 12”).
Pressure Class: Standard 150 PSI, High pressure 150 Bar, BW, Clamp and flanged connections.
Manual and pneumatic valve drive.
Materials
Body: Stainless steel AISI 316L.
Seat: BUNA N, EPDM, Viton, Silicone.
Features
Sanitary built-in valve for the beverage and pharmaceutical industry.

Directional valves and proximity switches included.
ASI-Bus cards.

6. Lined Valves for highly corrosive applications
Type: Spherical, Butterfly, Balanced Globe Control, Safety and security, Reactor discharge, Basket strainer and Screen.
General Information
1/2 to 16” diameter, according to the product.
Pressure Class: Ranging from 1mBar (abs) until 16 Bar (ABS) depending on the product.
Temperature Range: -40° C to 200° C, consult the P/T curve for a specific product.
Wafer and lug connections (with screwed flanges).
Manual, pneumatic and electric valve drive. 
Materials
Body: ASTM A395, ASTM A351 CF8M.
Internal body: Stainless steel A351 CF8M, 17-4PH, among others.
Coatings: PFA, PTFE.
Features
Standard applications: Humid or dry chlorine gas, chlorine dioxide, nitric acid, hydrochloric acid, Mono-chlorine acid, acetic acid.
All the products offer a packing system that guarantees low fugitive emissions according to the highest international standards.

7. Bellow Seal valves for hazardous services
Bellow Seal Gate Valves, Globe, Jacketed and Flush Bottom type
General Information
Design Standards: API602 and API600.
Size Range: 1/4” to 16”.
Pressure Class: ANSI 150 to 2500 (forged and cast steel type).
End connections: Flanged, BW, SW.
Manual, pneumatic and electric valve drive. 
Materials
Body: Cast Carbon Steel WCB, LCC, LCB, LC1, Cast Stainless Steel CF8 and CF8M, Alloy-20, Hastelloy Gr.B, Forged Steels A105, A182, F304, F316, F304L, F316L.
Bellows Material: Stainless Steels AISI 321, 316, 316L, 316Ti, Inconel 625, Hastelloy C276, Monel 400.
Features
Used in chlorine, ammonia, thermal fluids such as Dowtherm, Santotherm-66 and Therminol, pesticides, phosgene, heavy water, nuclear waste and uranium enrichment processes, among others.
Instrumentation ball valves and needle valves manufactured according to the specific needs of the client.
Over 20,000 open-close cycle’s capacity.
A wide range of designs especially suitable for Chlorine service.

8. Swing type Wafer check valves
Type: 210, 205
General Information
Design Standards: API 594, Standard Rite.
Size Range: 2” to 60”.
Pressure Class: ANSI 150 to 2500, API 5,000 and 10,000.
Flanged and Wafer end connections.
Materials
Body: Nodular cast iron A395, Cast carbon steel A216 WCB, Cast stainless steel A351 CF8M.
Disc: Cast stainless steel A351 CF8M.
Spring Inconel.
Seat: Integral metal, metal insert or resilient seated (BUNA N, EPDM, Viton).
Features
Floating closure to guarantee zero leakage.
Extensive range of accessories like counterweights, external springs, hydraulic dampers.
FM and ULC approved for fire protection systems.
Hydraullic calculations made for critical valves to optimize functioning and enhance the long service life.
 
9. Dual plate check valves - wafer type, retainerless design
Type: CE, SS and X9A 
General Information
Design Standards: API 594.
Size Range: 2” to 144”.
Pressure Class: ANSI 150 to 2500, API 5,000 and 10,000.
Wafer, flanged, Solid Lug, BW, Hub End connections.
Materials
Body: Carbon Steel, stainless, Duplex and Superduplex, Titanium, Inconel, Br-Al.

Disc: Stainless Steel, Duplex and Superduplex, Titanium, Inconel, Br-Al.
Spring Inconel.
Seat: Integral metal, metal insert or resilient seated (BUNA N, EPDM, Viton).
Features
Independent springs on each plate. Over 2,000,000 cycles tested under laboratory conditions. Highly reduced levels of leakage in comparison to the levels permitted by API598 for metal seats.
High integrity pressure vessel by the use of the “retainerless” design.
Substantially lower Cv due to its patented plate.
Plate shock bumpers to avoid continual forces on the stop pin.

10. Bi-Directional Knife Gate Valve
Type: C67
General Information
Size Range: 2” to 36”.
Pressure Class: 150 PSI (CWP).
Lug connections (with thru drilled flanges).
Manual and pneumatic valve drive. 
Materials
Body: Cast carbon steel A216 WCB, Stainless steel A351CF8 and CF8M.
Gate: Cast stainless steel A351CF8 and CF8M.
Seat: Buna N, EPDM, Viton.
Features
Sliding gate.
Real “Bi-Directional” unique design.
Elastomeric perimeter seal.
Zero leakage based on API598.
Replaceable seats.

11. Bi-Directional Knife Gate Valves for high solid applications
Type: C33, C133
General Information
Size Range: 2” to 54”.
Pressure Class: 150 PSI (CWP).
Lug connections (with screwed flanges).
Manual and pneumatic valve drive. 
Materials
Body: Ductile iron A536 65-45-12, stainless steel A351 CF8M.
Disc: Stainless steel ASTM A351CF8, Stainless steel A351 CF8M.
Seat: 2 replacement EPDM cartridges
Features
Total flow rate of maximum Cv without solid flow interference.
Sliding gate in permanent contact with the seats.
UHMWP rings to lubricate and clean the gate, enhancing the service life of seats.
Open and close bonnet versions.
Optional splashguard for personnel protection.

ACTUATORS AND ACCESSORIES
1. Manual valve actuators
Type: Levers
General Information
Manually operated valves for open-close and intermediate positions.
Malleable or nodular cast iron builted to avoid common breakdowns in these types of devices.
Provided with a 10 position gear plate which operates with a blockage spring and an embedded flange. 
Additional infinitely adjustment plates, safety padlock or spanner end upon request.
Type: Valves with reducing mechanisms
General Information
Suitable for On-Off operation or position partializer
Factory lubricated.

Feature external O-rings to avoid dust or humidity.
IP65 Weatherproof built.
Stainless steel shaft.

Additional stainless steel gearboxes, chainwheels for distance operations and high visibility position indicator upon request.

2. Especial Manual Accessories
Type: Extended stem, chainwheel, high visibility position indicators.
Chainwheel
Built with a notched wheel connected to the output shaft of the reducer, and a standard chain of a certain length.
Designed in our engineering lab to properly endure the operation torque of valves as well as possible bending of the shaft of the reducers, always considering the maximum possible force given as standard for not damaging an operator.
Extended stem
Made up of a jacket tube and a carbon or stainless steel moving drive shaft.
Designed in our engineering lab to properly endure the operation torque of valves as well as possible bending of the shaft of the reducers, once installed.
Use of joints between neck and valve to avoid humidity intrusion. 
Superior and inferior flanges designed according to ISO 5211 for easy interchangeability of equipments in the field.
Additional wall anchors, necks built entirely of a variety of stainless steels including 300 or 400 series and joint flanges especially for valves or actuators not complying with standard upon request.
High visibility position indicators
Installed over our manual reducers, these allow the plant operator to remotely check if they are open, closed or in an intermediate position.
Frequently used for fire protection systems.

3. Scotch Yoke pneumatic actuators of simple and double effect
Type: VXV DA, VXV SR (Low pressure)
VXV.Y DA, VXV.Y SR (High pressure)
General Information
Features: Double effect (last position) and simple effect (failsafe position through springs).
Supply pressure: 40-140 psig (VXV) / 250-1420 psig (VXV.Y).
Materials
Body: Steel ASTM A283 grD.
Pneumatic cylinder:  ASTM A53 with Nickel coating.
Piston: Steel ASTM A283 grD with Nickel coating and an antifriction strip of graphite Teflon.
External coating: Epoxy coated.
Features
Body designed for control panel and tank fixing.
Bolt coupling and output shaft designed according to ISO 5211 to make application universal. Incorporated travel stops to moderate opening and close angle independently. Double acting piston stroke to avoid stem deformation. High Pressure version conducted by a pneumatic control system. Self contained version. No external energy source is required. Manual hydraulic pump for open position. Closure through low pressure sensing in the pipe.

Additional accessories
Limit switchbox Nema 4/4X type or Explosion Proof.
High visibility position indicators
Pneumatic positioners 3-15 psi, 4-20 mA or intelligents.

Standard directional valves, power efficient, IS or explosion proof.
Emergency shut-down applications utilizing either a pneumatic or hydraulic media.
Partial-Stroke devices.

4. Pneumatic actuators double acting and spring return rack and pinion type
Type: S92, S93
General Information
Features: On-Off and modular.
Features: Double effect (last position) and simple effect (failsafe position through springs).
Materials
Body and cover: Extruded aluminum alloy with anodized corrosion and polyester protective coated.
Pistons: Die-cast aluminum alloy.

Output shaft/pinion: Cast carbon with zinc coating.
Piston guides: Acetal. Options:
External body with polyester or ENP coating.
Features
Standard Namur interface to facilitate the assembly of Standard accessories. Bolt coupling and output shaft designed according to ISO 5211 to make application universal. Incorporated travel stops to moderate opening and close angle independently.
Conversion from double to simple effect without the need of poppet replacement. Acetal guides in the piston-body area of contact piston to enhance the long service life.
Additional accessories
Limit switchbox Nema 4/4X type or Explosion Proof.
High visibility position indicators Pneumatic positioners 3-15 psi, 4-20 mA or intelligents. Standard directional valves, power efficient, IS or explosion proof.
Emergency shut-down applications declutchable type.
Partial-Stroke devices.

5. Tailor-made emergency shut-down applications.
Type: Declutchable and Double Declutchable.
Simple and Double effect equipment.
Basic equipment with steering wheels.
directly connected to the actuator shaft.
MHP through manual hydraulic pump.
General Information
(based on the equipment)
Suitable for valve operation in pneumatic function in case the line pressure is not available or there is an electrical power loss to the solenoid
Declutch mechanism through lever or bars.
Based on cam gear mechanism.
Suitable for mounting between valves and actuators of any brand and type.
Materials
(based on the equipment)
Body: Ductile iron or carbon steel according to the output torques.
Cams: carbon steel and Ductile iron. 
Shafts: Stainless steel.
Features
(based on the equipment)
IP65 Weatherproof built.
Accurate calculations according to the operational torques, shaft actuator and service specifications.
Optional: Possibility of a complete independent application for the actuator.
Additional accessories
Limit switchbox Nema 4/4X type or Explosion Proof. Long distance operation of the main switch using a pneumatic actuator. Cathodic epoxy coated. Modifications of the complete components of force and mounting to use direct mounting to existent valves. 

6. Partial-Stroke Test Device  SDV & BDV. SIL approved installations.
Type: D-Stop
General Information
(valve application)
Insulation in case of emergency. Catalyst blockage. Main pipe blockages. Linebreak systems. Compressor stations. Pig launchers and receivers.
Materials
Body: Ductile iron or carbon steel according to the output torques.
Cams: carbon steel and Ductile iron. 
Shafts: Stainless steel.
Keys: Stainless steel.
Features
Allows for regular testing of SDV, BDV and ESD valves, without the need of performing shut down in plant. Suitable for facilities in which ISA-S84.01 (Application of Safety Instrumented Systems for the Process Industries) and IEC 61508 (Functional Safety Of E/E/PE Safety-Related Systems) standards are applicable. Allows for complete test of SIS (Safety Instrumented System) in places where exercising final control elements is not practical. Possibility of use as valve “exercisers” which are not recommended to remain closed for long periods of time. 

Applicable not only to new groups but also to those already installed in the field.
Additional accessories
Limit switchbox Nema 4/4X type or Explosion Proof. Distance operation f the main key through pneumatic actuator. Cathodic epoxy coated. Modification of the complete components of force and mounting to obtain a direct mounting to existent valves.

7. Limit Switch Boxes
Type: S50, S52, S50
Limit switchbox standard and Explosion Proof type.
Complete metallic body.
Anti vibrating cams of easy field calibration and color coded to avoid mistakes during the set up.
Upper and lower bushing to avoid shaft binding.
Pre-wired switches to a terminal block.
High visibility position indicators

8. Pneumatic and electro-pneumatic positioners.
Type: Positioners
Pneumatic and electro-pneumatic positioners.
Modular fitted equipment with a rating pressure of 3-15 psi or 4-20.
Built -in IP explosion proof versions.
Metallic body or with high impact resin.
High visibility position indicators.
Optional: Suitable for PROFIBUS or HART protocols.

9. Electric Actuator - single phase type with the option of electronic processing. 
Type: S70, S73
Pneumatic and electro-pneumatic positioners.
Modular fitted equipment with a rating pressure of 3-15 psi or 4-20.
Built -in IP explosion proof versions.
Metallic body or with high impact resin.
High visibility position indicators.
Optional: Suitable for PROFIBUS or HART protocols.
General Information
Features: On-Off and modular.
Supply pressure: 220 VAC, 110 VAC.
Materials
Body: Aluminum alloy polyester coated.
Gears and output shaft: Stainless Steel and Aluminum-brass.
Travel stops: Stainless steel external travel stops
Features
Direct wiring to a terminal block without interference from other components.
Unique system of manual operation.
Ultra lightweight and compact.
Cams with two colors limit switches, easily identifiable and of manual adjustment.
Mechanical travel stops of external adjustment.
High visibility external position indicators
Additional accessories
Electronic panel for On-Off actuators to avoid contactors.
Servo display with autocalibration for 4-20 mA modular design.

 

10. Heavy Duty Electric actuators for industrial applications with high demands and performance requirements
Rotary, semi rotary, quarter turn gear and linear types
General Information
Features: On-Off and modular.
Supply pressure: 220/380/440 VAC 3ph, 110/220 VAC 1ph, 24/48 VDC.
Local control panel: Smartcon.
Communication protocols: Profibus, Modbus, Lonworks, among others.
Materials
Body: Aluminum alloy polyester coated.
Gears and output shaft: Stainless Steel and Aluminum-brass.
Travel stops: Stainless steel external travel stops

Features
Travel stops, torque limits and adjustable positions.
ISO 5211 connection flanges
IP65, IP67, IP68 protection

Standard and explosion Proof versions.
Real 4-20 mA modulation with torque over dimensioning.
Additional accessories
Smartcon unit
Non-intrusive calibration.
Multilingual parameterization.
Infrared command (optional).
Integration to communication protocols.
Fail-safe versions.

Catalogue (list of products)

Industrial Plant
Services

Automation
Thanks to our know-how, trained staff and more than 15 years of experience, we automate the following valves in our industrial plant based in Mendoza:
Butterflies
Ball
Gate
Globe
Plug

Contact us for the following automations:
Pneumatic Double or Single Acting
Electric on-off or modulating
Hydraullic
Shut down.
Blow down.
Partial-Stroke devices.
Fireproofing equipment
Signaling equipment
Special controls logics
Integration to field buses
Control panels
Job site works with own personnel.

 Contact
Commercial Offices and Administration
Industrial Plant and Administration

Location
Commercial Offices and Administration
Industrial Plant and Administration