Adhesive / Silicone Spray Valves

Last Updated: April 1, 2025

Description

Adhesive/Silicone Spray Valves are devices designed to dispense adhesive or silicone materials in a controlled manner. These valves are integral to ensuring precise application of materials, which is crucial for maintaining the quality and consistency of the end product.

Working Principle

Adhesive/Silicone Spray Valves operate by controlling the flow of adhesive or silicone through a nozzle, allowing for precise application. The valves can be adjusted to control the spray width, dispense rate, and shot size, ensuring that the material is applied accurately and consistently. This precision is particularly useful in applications requiring exact amounts of adhesive or silicone, reducing waste and improving efficiency.

Applications

Adhesive/Silicone Spray Valves are used in a variety of applications. They are commonly employed in the automotive industry for gasketing and sealing engine components due to their excellent heat resistance and flexibility . They are also used in clean rooms or laboratories, where precise application of adhesives is critical . Additionally, these valves are utilized in the food and beverage industry, where they help in the application of high viscosity liquids .

Advantages over other Spray Valves

One of the main advantages of Adhesive/Silicone Spray Valves is their ability to handle high viscosity materials, such as silicones, which are less wearing on equipment surfaces compared to other chemistries . This makes them particularly suitable for applications requiring durable and long-lasting equipment. Furthermore, their precision in controlling the dispense rate and shot size offers significant benefits in applications where accuracy is paramount .

Limitations

A notable limitation of Adhesive/Silicone Spray Valves is their dependency on environmental conditions for curing, particularly for one-part silicone systems that require atmospheric moisture to cure . This can lead to longer curing times compared to other adhesive types, which may not be ideal for all applications .

Considerations

When considering the use of Adhesive/Silicone Spray Valves, it is important to evaluate initial costs, operating expenses, and maintenance requirements. The durability of these valves is generally high due to their ability to handle high viscosity materials without excessive wear . However, the accuracy of the valves can be affected by the viscosity and temperature of the material being dispensed, which should be taken into account during operation . Replacement and maintenance costs can vary depending on the specific application and frequency of use, but the precision and efficiency offered by these valves often justify the investment.

5 Results
Buehnen HB 450S Spray Hot Melt Applicator 600 Watt -- HB 450S [4500S-BK-US1-BX1-TEC from Buhnen GmbH & Co. KG]
from Ellsworth Adhesives

Buehnen HB 450S is a pneumatic, spray hot melt applicator that features a built-in melt chamber that is compatible with bulk granule, pillow, or 43 mm slug formats. It is used for dispensing EVAs, polyolefins, and pressure sensitive adhesives. It warms up quickly with an operating temperature... [See More]

  • Application: AdhesiveSilicone
Dual Component Metering Spray Valve -- VPX-2KS
from PVA - Precision Valve & Automation

The VPX-2KS Dual Component Spray Valve is a progressive cavity metering valve capable of accurately spraying 2K chemistries in a clean, flexible atomized process. Each component is metered via a servo controlled rotor that seals a rubberized stator to produce a continuous flow of material. Tight... [See More]

  • Application: AdhesiveSilicone
  • Dispense Rate: 2.00E-4 to 0.0100
  • Dispensing Application: Spray Flat; Spray Round
  • Media Viscosity: 1 to 100000
Dispensing Guns -- 2KSprayPak™
from Cammda Corporation

Cammda ’s interchangeable 2KSprayPak ™ comes in either single or dual disposable cartridge systems with an economical air gun, adjustable atomizing spray nozzles and static mixers. [See More]

  • Application: AdhesiveSilicone
Aseptic Spray Valve
from Nordson EFD

The 784S-SS aseptic microspray valve, with FDA-compliant wetted parts, features a fluid flow path free of entrapment areas, ideal for sterile applications. Using Low Volume Low Pressure (LVLP) technology, the 784S-SS valve produces uniform spray patterns between 3.3 mm (0.13 ”) and 19.1 mm... [See More]

  • Application: AdhesiveSilicone; CoatingPaint
  • Dispensing Application: Spray Round
Auto-Flo™ Dispensing Valves -- 238418
from Nordson Corporation

Auto Flo extrude stand-alone, 1/4" ball & seat [See More]

  • Application: AdhesiveSilicone; HighViscosity; Sealants
  • Inlet Pressure Range: ? to 5000
  • Dispensing Application: Spray Round (optional feature)
  • Media Viscosity: 3.00E6