Product Overview

The SITEC 719.0128-MVQ is a pneumatically operated high-pressure valve engineered for precise control of gaseous and liquid media in demanding industrial process circuits. Manufactured by SITEC, a recognized name in high-pressure fluid and gas handling technology, this valve utilizes a pneumatically actuated piston or diaphragm mechanism to deliver reliable on/off or modulating control at elevated operating pressures. Unlike hydraulic pumps, the 719.0128-MVQ contains no rotating displacement elements; its function is strictly that of a flow-control and isolation device, making it a critical component in process skids, gas booster systems, and high-pressure test benches where remote or automated actuation is required.

Technical Specifications

ParameterSpecification / Feature
Component TypePneumatically Operated High-Pressure Valve (Process & Pneumatic Valve)
Model Designation719.0128-MVQ
Actuation TypePneumatic (air pilot operated), spring-return or double-acting configuration
Operating PressureHigh-pressure industrial grade (rated for elevated process pressures typical of SITEC 719 series)
Pilot Air SupplyStandard industrial compressed air range (typically 4–10 bar control air)
Mounting & ConnectionStandard ISO / Manufacturer Interface with threaded or flanged high-pressure ports
Body & Seal MaterialCorrosion-resistant stainless steel body with high-integrity elastomeric or PTFE sealing

Engineering Features & Advantages

  • Precision Pneumatic Actuation: Fast, repeatable open/close response driven by pilot air pressure, enabling reliable remote and automated process control without electrical components at the valve body.
  • High-Pressure Capability: Designed to seal and operate reliably at elevated process pressures, suitable for gas and liquid service in booster and test-stand circuits.
  • Leak-Tight Sealing: Precision-machined seat and high-grade sealing elements ensure minimal internal and external leakage, protecting process integrity and operator safety.
  • Industrial Reliability: Built for continuous operation under severe industrial conditions, including cycling duty and aggressive media exposure.
  • Direct Fit Replacement: Exact dimensional and functional compatibility with original SITEC 719 series OEM standards for drop-in servicing.

Typical Industrial Applications

The SITEC 719.0128-MVQ is deployed across a range of heavy industrial and process scenarios, including high-pressure gas booster and compression systems, hydraulic and pneumatic test benches, chemical and petrochemical process skids, and industrial gas filling or transfer stations. Its pneumatic actuation makes it particularly suited to automated process lines, remote-operated manifolds, and safety-critical isolation duties where dependable high-pressure sealing and rapid response are essential.

PRODUCT IMAGES

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SITEC 719.0128-MVQ Pneumatically Operated High-Pressure Valve

âš¡ Emergency Plant Maintenance & Ready-to-Ship Notice:

  • Authentic & Fully Tested: 100% bench tested for hydraulic response, pressure rating, and null-bias stability before dispatch.
  • Fast Dispatch: In-stock units ready for same-day dispatch via DHL / FedEx Express directly to your plant.
  • Pre-Shipment Verification: High-definition photos, video testing runs, and serial number verification provided prior to shipment.
  • Peace of Mind: Covered by our 12-Month Replacement Warranty.

Shop the genuine SITEC 719.0128-MVQ Solenoid Directional Valve. This Germany-made 24V DC hydraulic component features a 4/3-way spool design, delivering leak-free, reliable fluid control for heavy-duty industrial systems.

Tested Genuine Surplus / OEM Hydraulic Component
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Tested Genuine Surplus / OEM Hydraulic Component
WhatsApp RFQ Fast Quote