“The DFM feedback was incredibly detailed and helped us reduce cycle time by 15%. The transparency in the injection molding process is unmatched.”

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We engineer leak-proof fluid and air handling components for demanding medical, industrial, and under-hood automotive applications by utilizing advanced multi-axis core-pulling, thereby overcoming the challenges of complex internal channels to guarantee absolute pressure sealing. Processed within our IATF 16949 certified facility, this integrated manufacturing technique ensures structural integrity and mission-critical dimensional stability for complex pneumatic and hydraulic systems.

Explore our portfolio of precision-molded and stamped fluid control components. From high-fidelity medical housings that demand flawless biocompatibility and absolute leak-proof sealing, to rugged industrial manifolds engineered for high-pressure pneumatic routing. Kravzik leverages integrated manufacturing—seamlessly combining robust metal stamping with advanced injection molding—to deliver exact-tolerance fluid dynamic solutions that meet stringent industry standards and optimize complex internal flow channels.
Precision-engineered fluidic controls utilizing biocompatible and chemical-resistant polymers. Manufactured under strict quality systems to ensure absolute sterility, high-pressure sealing, and exact volumetric flow for critical diagnostic and patient care equipment.
Syringe Barrels, IV Connectors, Pump Housings, Dialysis Manifolds, Valve Bodies, Flow Meters, Tube Fittings, Filter Housings, Catheter Hubs, Fluid Receptacles, Respiratory Masks, Sample Vials
Ruggedized pneumatic and hydraulic distribution components designed to withstand continuous high-pressure cycles and aggressive industrial fluids. We utilize integrated metal-plastic manufacturing to enhance structural durability, thread strength, and absolute sealing reliability.
Pneumatic Valves, Centrifugal Pumps, Compressor Housings, Hydraulic Manifolds, Quick Disconnects, Actuator Bodies, Regulator Caps, Solenoid Enclosures, Fluid Reservoirs, Lubrication Fittings, Vacuum Cups, Filter Bases
Advanced thermal management and fluid routing components engineered from high-heat, low-outgassing resins. Designed to withstand extreme under-hood thermal cycling while maintaining absolute moisture sealing and optimal flow dynamics for battery and engine systems.
Intake Manifolds, Coolant Valves, Washer Tanks, Battery Vents, Pump Impellers, Connector Housings, Radiator Tanks, Oil Caps, Hose Connectors, Breather Valves, Fluid Reservoirs, Thermostat Housings
High-performance, low-weight fluid management solutions utilizing advanced aerospace-grade thermoplastics. Engineered for extreme altitude pressure differentials, chemical resistance to aviation fuels, and seamless integration with stamped metal framework assemblies.
Fuel Connectors, Oxygen Valves, Cabin Ducts, Hydraulic Actuators, Control Valves, Fluid Manifolds, Pump Enclosures, Bleed Valves, Drainage Fittings, Coolant Distribution, Sensor Housings, Filtration Casings
Durable fluid and gas handling assemblies designed for harsh outdoor and high-stress power grid environments. Featuring exceptional UV stability, environmental stress cracking resistance, and precise dimensional stability for secure pipeline integration.
Gas Housings, Transformer Valves, Pipeline Connectors, Turbine Vents, Coolant Pumps, Seal Carriers, Flow Restrictors, Fluid Switches, Regulator Bodies, Dosing Valves, Injection Nozzles, Pump Stators
Ultra-pure fluid handling components processed with specialized high-grade resins to eliminate outgassing and particle contamination. Featuring flawless internal channel routing to ensure smooth, sterile chemical and gas delivery in critical wafer fabrication processes.
Chemical Valves, Pump Casings, Gas Manifolds, Ultra-Pure Fittings, Vacuum Connectors, Mixing Chambers, Flow Controllers, Wash Nozzles, Solenoid Bases, Resin Dispensers, Filter Caps, Tubing Manifolds
Don’t see your specific component here? From complex interior trims to rugged structural parts, we provide custom mold development and production for any automotive geometry. Send us your CAD files for a professional DFM review and a production-ready quote.
Manufacturing fluidic and pneumatic components is an unforgiving process where absolute pressure sealing and internal flow dynamics must be guaranteed. Microscopic defects that might be acceptable in standard structural plastics are catastrophic in high-pressure fluid systems. Identifying and mitigating these three critical molding risks is essential for ensuring reliable, leak-proof performance in demanding medical, industrial, aerospace, and automotive under-hood environments.
The complex internal channels required for manifolds and valve bodies rely on long, slender mold cores. During the high-pressure injection phase, asymmetric melt flow can cause these delicate cores to deflect. This core shift results in uneven wall thicknesses, compromising the structural integrity of the fluid pathway and creating unpredictable flow restrictions that disrupt system pneumatics or hydraulics.
When molding intricate pump housings or multi-port connectors, multiple polymer melt fronts must merge perfectly. Suboptimal venting, improper gate locations, or inadequate packing pressure lead to weak knit lines and internal micro-porosity. In fluid and air handling applications, these microscopic structural flaws act as direct pathways for high-pressure gas or liquid leakage, completely defeating the component’s primary purpose.
Components exposed to aggressive automotive coolants, industrial lubricants, or harsh medical sterilizers demand flawless polymer morphology. Excessive shear rates or improper cooling during the molding cycle induce severe residual internal stress. When these highly stressed molded parts are exposed to continuous thermal cycling or aggressive chemical contact, environmental stress cracking (ESC) rapidly destroys the housing and breaches the pressure seal.
We transform complex fluid routing requirements into leak-proof realities by eliminating the technical friction of pneumatic and hydraulic component manufacturing. Through advanced predictive flow simulations, rigorous material science, and strictly controlled molding environments, Kravzik ensures your critical valves, manifolds, and housings maintain absolute structural integrity and pressure sealing under the most extreme operating conditions.We transform complex fluid routing requirements into leak-proof realities by eliminating the technical friction of pneumatic and hydraulic component manufacturing. Through advanced predictive flow simulations, rigorous material science, and strictly controlled molding environments, Kravzik ensures your critical valves, manifolds, and housings maintain absolute structural integrity and pressure sealing under the most extreme operating conditions.
To prevent core deflection and ensure uniform wall thickness in complex internal channels, we employ advanced Moldflow® analysis during the DFM phase. By accurately predicting melt flow dynamics and internal pressure distribution, we optimize gate positioning and tool architecture to eliminate structural imbalances before steel is ever cut.
High-pressure fluid applications demand absolute structural continuity. We utilize ultra-precise multi-axis core-pulling systems and engineered vacuum venting to eliminate trapped gas and ensure perfect polymer melt front merging. This eradicates the micro-porosity and weak knit lines that act as direct pathways for catastrophic pressure leaks.
To combat environmental stress cracking (ESC) caused by aggressive industrial chemicals and rapid thermal cycling, we execute rigid decoupled scientific molding protocols. Utilizing conformal cooling circuits and optimized packing profiles, we minimize residual internal stress while expertly processing high-grade, chemically resistant engineering thermoplastics.
Managing fragmented suppliers for complex fluidic assemblies creates critical failure risks. Kravzik provides vertically integrated production, seamlessly combining in-house metal stamping for robust threaded inserts with precision plastic overmolding. Every production batch is subjected to rigorous in-line pressure decay testing under our strict IATF 16949 quality framework.
The structural integrity and absolute pressure sealing of fluidic systems depend on exacting material science. Kravzik processes a specialized matrix of high-performance engineering thermoplastics designed to withstand aggressive chemicals, extreme thermal cycling, and continuous high-pressure flow. From sterile medical manifolds to rugged industrial pneumatics, we match the exact polymer grade to your application to guarantee zero-leakage performance and strict regulatory compliance.
PPS resin engineered for hermetic manifold assemblies requiring thermal stability, chemical resistance, and tight dimensional tolerances for complex internal fluid routing.
Exceptional thermal stability (HDT > 260°C); inherently flame retardant with zero degradation from prolonged exposure to harsh automotive coolants, aviation fuels, and industrial solvents.
Outstanding creep resistance and extremely low moisture absorption guarantee tight dimensional tolerances for complex internal fluid routing under continuous mechanical load.
Optimized for precision machining of critical sealing surfaces and compatible with ultrasonic welding for hermetic manifold assembly.
PEEK polymer engineered for high-pressure fluid dynamic components requiring mechanical stability, sterilization compatibility, and zero outgassing in high-temperature operating environments.
Withstands extreme operating temperatures up to 250°C and repeated sterilization cycles (autoclave, gamma) without losing mechanical properties.
Industry-leading tensile strength and exceptional wear resistance; maintains exact volumetric cavity dimensions under extreme high-pressure fluid dynamics.
Highly receptive to tight-tolerance secondary machining and ideal for applications requiring zero outgassing and ultra-pure surface finishes.
Acetal copolymer designed for valve seats and snap-fits requiring high stiffness, long fatigue life, and naturally low coefficients of friction.
Excellent performance in continuous hot water and compressed air environments; highly resistant to neutral chemicals, fuels, and hydraulic lubricants.
High inherent stiffness, superior fatigue life, and excellent creep resistance make it ideal for snap-fits, valve seats, and dynamic sealing components.
Naturally low coefficient of friction eliminates the need for secondary lubrication; excellent for high-gloss, low-wear internal flow surfaces.
PVDF fluoropolymer engineered for energy pipeline components requiring chemical resistance, UV stability, and mechanical integrity in corrosive fluid transport systems.
Unmatched resistance to harsh acids, halogens, and radiation; exceptional long-term UV stability for outdoor energy pipeline components and gas routing.
Highly durable fluoropolymer offering excellent abrasion resistance and mechanical integrity in highly corrosive fluid transport systems without micro-cracking.
Exceptional surface purity requires no secondary coating; inherently resists biofilm formation for critical sanitary fluid handling.
30% glass-filled PA66 designed for exterior fluid reservoirs requiring high tensile strength and burst pressure resistance in under-hood thermal environments.
Extreme heat deflection temperature (HDT > 250°C); highly resistant to under-hood thermal environments and synthetic hydraulic fluids.
Glass reinforcement provides immense tensile strength and stiffness, preventing manifold ballooning and structural deflection under extreme burst pressures.
Optimized for overmolding with elastomeric seals and threaded metal inserts; functional matte texturing for robust exterior fluid reservoirs.
PPSU resin utilized for high-stress fluid receptacles requiring hydrolytic stability, visual flow verification, and durability through repeated superheated steam sterilization cycles.
Superior thermal performance allows for over 1,000 cycles of superheated steam sterilization without significant property loss; unmatched hot-water resistance.
Virtually unbreakable impact strength combined with excellent hydrolytic stability ensures zero cracking or warping in high-stress fluid receptacles and connectors.
Naturally transparent with a slight amber tint, allowing for visual flow verification; highly receptive to custom Mold-in-Color (MIC) tinting for fluid pathway coding.
Require a specialized polymer blend not listed above? Kravzik processes a vast spectrum of engineering-grade resins, advanced composites, and custom color-matched compounds to meet exact OEM specifications. Consult with our material experts to identify the optimal resin for your specific application, or explore our complete database.
Streamline your supply chain with our fully integrated post-molding capabilities. By keeping precision surface finishing and complex sub-assemblies under one roof, we eliminate supplier fragmentation. Kravzik delivers production-ready components that reduce lead times, mitigate risks, and lower your total cost of ownership.
Enhance product aesthetics with premium metallic and decorative finishes. Our controlled plating lines ensure exceptional adhesion, uniform coverage, and long-lasting durability that meets strict OEM cosmetic and salt-spray standards across various polymer substrates.
Operated within automated, dust-free cleanrooms, we apply both functional and aesthetic coatings. From soft-touch ergonomic finishes to UV-resistant clear coats and EMI/RFI shielding, we ensure long-term performance and absolute visual consistency.
Achieve permanent, stress-free bonding of thermoplastic parts without the use of messy adhesives. Ideal for complex assemblies that demand uncompromising structural integrity, hermetic sealing for electronics, or efficient high-volume automation.
Deliver high-contrast, indestructible markings essential for brand identity, compliance labeling, and component traceability. Our pad printing and laser ablation processes ensure ultimate wear resistance and compatibility with virtually any molded material.

Eliminate structural warpage by 45% instantly. We engineer high-strength polymer brackets using IATF-certified scientific molding for fail-safe industrial assembly.

Eliminate weld lines and surface defects. Kravzik delivers flawless Class-A finishes via 100% automated optical inspection.

Eliminate critical IP67 seal failures caused by dimensional warpage. Our predictive injection molding guarantees perfect gasket compression.

Eliminate electrical arcing caused by microscopic plastic flash. Our integrated IATF 16949 tooling guarantees flawless zero-defect terminal mating.
Our engineering team loves solving complex problems. Chat with us or send your drawing for a review.