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Auto-Shut Valves

Auto-Shut Valves

Auto-Shut Valves

Product catalog summary
Overview: Nordson XALOY offers a comprehensive range of front-end components for injection units, designed for durability and efficiency. These components are made from various abrasion and corrosion-resistant steels, including Hastelloy, Duranickel, H13, D2, S7, CPM, and 17-4PH stainless steel.
Key Components:
  • Shutoff Valves: Features include free-flowing, positive shutoff, self-cleaning, and consistent shot-to-shot repeatability. The poppet style design reduces retainer wear and pressure drop, with a spring-actuated mechanism that closes independently of resin viscosity.
  • Three-Piece Non-Return Valve: Offers a free flow design with zero restriction, self-cleaning, and economical benefits. It provides excellent shot repeatability and improved wear.
  • Sliding Ring Valves: Known for their industry-standard design, these valves can be tailored for a wide range of resins and are available in three and four-piece configurations.
  • Locking Ring Valves: Designed for smooth lock-up with zero relative velocity at the ring/retainer interface, these valves are suitable for general-purpose applications with abrasive fillers.
  • Poly-Check® Valves: Features a ball check with an optimized flow path design, self-cleaning configuration, and superior shot repeatability. It is simple to maintain and offers good wear performance.
  • Eliminator® Nozzle Tips: These tips eliminate stringing, drooling, and cold slugs, and are made from hardened steel for easy installation and universal design.
Applications and Advantages:
  • Components are suitable for a variety of materials, including PC and ABS alloys, acrylic, polyolefins, RPVC, polystyrene, and LSR.
  • Advantages include reduced splay and silver streaking, consistent performance, extended service life, and reduced shear and black specks.
Temperature Range: The components are designed to operate effectively within a temperature range of 1000°F to 1200°F (538°C to 649°C).
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Catalog excerpts

Auto-Shut Valves-1

• Nozzle Tips • Nozzle Bodies • Shutoff Valves Nordson XALOY's comprehensive line of front end components specifications with corrosion resistance. Select from a broad range of that with fast delivery, maximizing Nordson XALOY Front End Components. Nordson XALOY can design and manufacture a complete line of front end components for injection units from a variety of abrasion and corrosion resistant steels including: Hastelloy, Duranickel, Auto-Shut Valves 1. Free flowing, positive shutoff, self-cleaning 2. Most consistent shot-to-shot repeatability 3. Shutoff mechanism operates independent 4. Poppet style design eliminates problems associated with retainer wear 5. Generous poppet stroke for reduced pressure drop 6. Spring-actuated, instantaneous closing, independent of resin viscosity 3. Polyolefins with 10 mi or less 4. Not for use with nylons and glass-filled materials Best shot repeatability in the industry Reduced splay and silver streaking Eliminates retainer wear Free flowing Consistent performance Superior shot control Less scrap produced Extended service life Reduced shear and black specks 1. Three-piece non-return valve 2. Free flow design with zero restriction 3. Greater contact area for reduced wear Free flow design Excellent shot repeatability Greater contact area Improved wear Eliminates burning and black specks Longer service life Greater processing flexibility Low part weight deviation The best RPVC 3-piece valve available

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Auto-Shut Valves-2

Sliding Ring Valves 1. Industry standard design 2. Flow path design can be tailored to wide range of resins 3. Materials of construction range from standard HI3 and D2 tool steels to high performance CPM grades 4. Available in three and four-piece 2. Special four-piece "shear fluoropolymer materials • Wide range of resins • Variety of construction materials • Versatile three and four-piece • General purpose design • User-selectable levels of wear • Good for custom molding • Replaceable components Locking Ring Valves 1. Zero relative velocity ring/retainer 2. Streamlined design for smooth 3. Flow...

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.