Graco 114717 Safety Valve 180 PSI

High-Performance Graco 114717 180 PSI Safety Valve for Advanced Fluid Control in Industrial Airless Spraying and Coatings Systems

The Graco 114717 Valve Safety 180 PSI represents a pinnacle of engineering for high-pressure fluid handling. Designed to protect critical downstream components, it instantly relieves excess pressure at precisely 180 PSI to prevent pump overloading or hose rupture. Its robust stainless steel poppet and spring assembly deliver consistent actuation thresholds, while precision-machined flow passages ensure minimal pressure drop when open. Ideal for integration into heavy-duty spray rigs and inline manifolds, its compact footprint streamlines installation without sacrificing performance. Engineered for harsh service environments, this valve supports maintenance regimes focused on reliability and rapid diagnostics, making it indispensable for professional contractors and OEM systems looking to optimize safety margins in demanding fluid delivery setups featuring airless sprayer applications.

• Operating Pressure Setpoint: Factory-calibrated at 180 PSI with ±5 PSI tolerance
• Compatible Fluid Media: Solventborne and waterborne coatings, sealants, adhesives
• Installation Interface: ¼″ NPT inlet and outlet ports, compact overall dimensions

Featuring a corrosion-resistant stainless steel body and PTFE overmolded sealing surfaces, the Graco 114717 caters to aggressive chemistries found in industrial coatings lines and continuous circulation loops. Its internal spring is constructed from Inconel® to resist relaxation under cyclical stress, maximizing pump efficiency by reducing back-pressure losses. High-pressure filtration ahead of the valve element protects the poppet seat from particulate abrasion, maintaining tight shut-off characteristics over millions of cycles. Precise tolerancing and surface finishes on critical contact areas deliver leak rates below 0.1 cc/min at rated pressure, ensuring clean environments and reducing solvent purge requirements.

Design and Material Composition

The heart of the Graco 114717 safety valve is a conical poppet and complementary seat profile engineered for low hysteresis and rapid response. The poppet tip features diamond-like carbon (DLC) coating to inhibit galling, while the seat bore receives a superfinishing treatment to achieve Ra 8–12 microinches. A dual-seal arrangement—comprising a primary PTFE backup and secondary elastomer for damping—guarantees leak-free containment during idle periods. All wetted materials, including springs, retainers, and fasteners, conform to ASTM and ISO standards for chemical resistance and mechanical strength. This meticulous material selection enhances valve cycle life and ensures compatibility with a wide range of solvent, epoxy, urethane, and acrylic formulations used in high-volume production of professional coatings.

Performance Metrics and Testing

Prior to release, each Graco 114717 undergoes a stringent test protocol: hydraulic burst testing at 1.5× setpoint pressure, cycle testing beyond 500,000 actuations, and salt-spray exposure to verify corrosion resistance. Flow characterization yields a Cv of 0.12, enabling designers to model system hydraulic response accurately. Typical opening time is under 10 ms from detection of overpressure, limiting energy transfer to the relief path and reducing fluid hammer effects. Temperature extremes from –40 °F to +200 °F have been validated in accelerated aging chambers, assuring functionality in cold-weather coating operations and high-temperature recirculation loops. These performance benchmarks support regulatory compliance in industrial installations and minimize downtime due to unplanned safety events.

Servicing the 114717 safety valve is straightforward: a captive hex nut secures the spring cage, allowing rapid disassembly with standard wrenches. Internal components are modular, enabling field technicians to replace the poppet or springs without special tooling. Periodic inspection of O-rings and seals is recommended to preserve seal longevity, especially when abrasive particles are present. The valve’s design also facilitates flush-through cleaning cycles to remove cured material buildup, maintaining response consistency over extended production runs.

Integration into fluid delivery circuits is facilitated by its low-profile housing and standard NPT connections. It can be mounted vertically or horizontally with negligible impact on setpoint accuracy. Inline adapters and manifold blocks are available to streamline multiple-valve installations. The Graco 114717 functions seamlessly alongside other Graco system components—filters, regulators, and instrumentation—forming a cohesive platform that enhances overall system safety. Engineers can leverage finite element analysis (FEA) models provided by Graco to simulate valve performance under transient conditions and optimize mounting orientation for vibration dampening.

In summary, the Graco 114717 Valve Safety 180 PSI embodies advanced mechanical design, rigorous material selection, and proven test validation to safeguard high-pressure coatings equipment. Its precision-engineered poppet, corrosion-resistant construction, and swift response characteristics make it an essential element in airless spraying systems, industrial coating lines, and any application where controlled relief of overpressure is critical to equipment integrity and operator safety.