Adhesive / Silicone Dispensing Valve Systems
Last Updated: April 1, 2025
Description
Adhesive and silicone dispensing valve systems are designed to provide precise control over the dispensing of fluids. These systems are capable of handling a variety of fluid types, including those with higher viscosities like silicone. They are engineered to deliver consistent and accurate amounts of adhesive or silicone, ensuring that the material is applied efficiently and effectively.
Working Principle
Dispensing valve systems operate by controlling the flow of adhesive or silicone through a valve mechanism. Different types of valves, such as diaphragm, needle, and positive displacement valves, are used depending on the specific requirements of the application. For instance, diaphragm valves use pressure to allow materials to pass through, while needle valves use an activator to shift a piston, opening the valve. These systems are useful because they provide precision in dispensing, which is crucial for applications requiring exact amounts of material to be applied consistently.
Applications
Adhesive and silicone dispensing valve systems are used in a wide range of applications. Specific examples include the application of adhesives in electronics for circuit board assembly, where precision is critical. They are also used in the automotive industry for gasketing and sealing applications, as well as in medical device manufacturing where precise amounts of silicone are needed for device assembly.
Advantages over other Dispensing Valve Systems
One of the key advantages of using adhesive and silicone dispensing valve systems is their ability to handle high-viscosity materials like silicone without excessive wear on equipment surfaces. This makes them more durable and reliable compared to systems that may struggle with thicker materials. Additionally, these systems offer high precision and repeatability, which is essential for applications requiring exact material deposition.
Limitations
Despite their advantages, adhesive and silicone dispensing valve systems have limitations. They may require regular maintenance to ensure consistent performance, especially when dealing with high-viscosity materials that can cause wear over time. Additionally, the initial setup and calibration of these systems can be complex, requiring skilled operators to ensure optimal performance.
Considerations
When selecting an adhesive or silicone dispensing valve system, several factors should be considered. Initial costs can vary depending on the complexity and capabilities of the system. Operating expenses may include maintenance and replacement parts, particularly for components that experience wear from high-viscosity materials. Durability is a key consideration, as systems that handle silicone must be robust enough to withstand the material's properties. Accuracy is crucial, especially in applications where precise material deposition is required. Finally, replacement and maintenance costs should be factored into the overall cost of ownership, as regular upkeep is necessary to maintain system performance.
from Valcor Engineering Corporation
The SV673 series dispensing pump is a pneumatically operated high purity piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rats, users have complete control of the volume and rate of dispense for... [See More]
- Application: AdhesiveSilicone; ChemicalSolvent; FoodBeverage
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Inlet Pressure Range: 30 to 60
from Techcon
The TS9000 Series Jet Tech is a Piezoelectric driven, non contact dispense valve capable of handling fluid viscosities to 2 million Cps. Jet Tech offers a fast jetting action producing hundreds of accurate deposits less than one second. Every component of the valve was designed to the highest... [See More]
- Application: AdhesiveSilicone; Silicone Phosphor
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Diaphragm
- Shot Size: 2.00E-6
from Nordson Corporation
Auto Flo extrude stand-alone, 1/4" ball & seat [See More]
- Application: AdhesiveSilicone; HighViscosity; Sealants
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Needle or Spool; Spray (optional feature)
- Inlet Pressure Range: ? to 5000
from PVA - Precision Valve & Automation
The VPX-2K Volumetric Pump is a dual dispenser designed for applying small volumes of 2-part adhesives in lines or dots with a high level of control. The unit uses the progressive cavity principle, which utilizes a specially machined auger-like rotor that couples with a rubberized seal to displace... [See More]
- Application: AdhesiveSilicone
- Dispense Rate: 0.0080 to 10
- Valve Dispensing Technology: Positive Displacement
- Media Viscosity: 1 to 1.00E6
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
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Spray
- Dispensing Application: Bead
from EXACT Dispensing Systems
Available in both a standard shut off or snuffback model, the 400 Series Autovalve is used in combination with our line of Meter/Mix and Dispense systems for mixing plural component reactive materials. This would include adhesives, epoxies, urethanes, and silicones. Their unique design allows high... [See More]
- Application: AdhesiveSilicone; Epoxies, Urethanes, and Silicones.
- Valve Dispensing Technology: Positive Displacement
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
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Spray
- Dispensing Application: Spray Round
from Valcor Engineering Corporation
The SV603 series dispensing pump is a solenoid operated high purity piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rates, users have complete control of the volume and rat of dispense for specific... [See More]
- Application: AdhesiveSilicone; ChemicalSolvent; FoodBeverage
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 0.1801
from Techcon
The TS9200D Jet Tech is a non-contact dispense valve capable of jetting fluid viscosities to 400,000 Cps. Jet Tech offers a fast jetting action producing hundreds of precise droplets in less than one second. The main feature of the valve is a single, easily replaceable diaphragm to eliminate dynamic... [See More]
- Application: AdhesiveSilicone; Silicone Phosphor
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Diaphragm
- Syringe / Container Volume: 5 to 55
from PVA - Precision Valve & Automation
The FCM100 is ideal for any low viscosity underfill, encapsulant, conformal coating, and micro dot or bead dispensing project. The FCM100 "propels" precise shots of fluid onto a substrate resulting in accurate patterns at a high robot speed as no in process z-axis adjustments are required. The... [See More]
- Application: AdhesiveSilicone
- Shot Size: 8.30E-4
- Valve Dispensing Technology: Positive Displacement
- Media Viscosity: 1 to 20000
from Cammda Corporation
CAMMDA Corporation provides a range of Dispensing Tips/Dispensing Needles - available to suit every dispensing requirement. Precision cut stainless steel for general purpose use, molded polypropylene and flexible polyethylene tips allow dispensing in the most restricted areas. Taper tips provide for... [See More]
- Application: AdhesiveSilicone
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Needle or Spool
- Dispensing Application: Dot
from Nordson EFD
The 752V Series diaphragm valve delivers fine flow control when dispensing solvents, cyanoacrylates, anaerobics, fluxes, UV-cure adhesives, and other low- to medium-viscosity fluids. The open/close stroke is adjustable from 0.13 mm to 0.64 mm (0.005" to 0.025"), producing a very fast response and... [See More]
- Application: AdhesiveSilicone; FluxSolder
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Diaphragm
- Dispensing Application: Bead
from Valcor Engineering Corporation
The SV653 series dispensing pump is a solenoid operated high purity piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rates, users have complete control of the volume and rate of dispense for... [See More]
- Application: AdhesiveSilicone; ChemicalSolvent; FoodBeverage
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 0.0420
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
- Valve Dispensing Technology: Spray
- Media Viscosity: 1 to 100000
from Cammda Corporation
Designed with precision and repeatability in mind, CAMMDA's Metering Rod Positive Displacement Valve offers greater quality control and better material management than other types of valves. [See More]
- Application: AdhesiveSilicone
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispensing Application: Bead
from Nordson EFD
The 752HF Series high flow diaphragm valve provides precise, drip-free dispensing of UV-cure resins and similar fluids used in the media manufacturing of DVDs, Blu-Ray DVDs, and CDs. Designed for smooth, unrestricted material flow, the 752HF reduces turbulence and prevents micro-bubbles from... [See More]
- Application: AdhesiveSilicone; CoatingPaint
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Diaphragm
- Dispensing Application: Bead
from Valcor Engineering Corporation
The SV500 series dispensing pump is a solenoid operated piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rates, users have complete control of the volume and rate of dispense for specific... [See More]
- Application: AdhesiveSilicone; FoodBeverage; Lubricants; Water
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 0.1801
from PVA - Precision Valve & Automation
PVA's MX4000 Series Gear Pump Systems are an ideal choice for most non-abrasive meter-mix dispensing applications. Gear pump designs feature continuous material flow with no recharging necessary. PVA pumps are designed specifically for processing a wide range of adhesives and sealants. Closed loop... [See More]
- Application: AdhesiveSilicone
- Media Viscosity: 100 to 1.00E6
- Valve Dispensing Technology: Positive Displacement
- Dispensing Application: Bead; Fill ("potting")
from Cammda Corporation
CAMMDA Corporation provides a range of Dispensing Tips/Dispensing Needles - available to suit every dispensing requirement. Precision cut stainless steel for general purpose use, molded polypropylene and flexible polyethylene tips allow dispensing in the most restricted areas. Taper tips provide for... [See More]
- Application: AdhesiveSilicone
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Needle or Spool
- Dispensing Application: Dot
from Nordson EFD
Nordson EFD's 736HPA-NV Series high pressure valve applies uniform amounts of thick materials like greases and silicones at pressures up to 2500 psi (172 bar). The stainless steel high pressure valve features adjustable stroke control to keep consistent dot profiles and bead widths, and prevent... [See More]
- Application: AdhesiveSilicone; Lubricants
- Dispensing Application: Bead
- Material Feed: Batch (Syringe)
- Number of Components: Single Component
from Valcor Engineering Corporation
The SV515 series dispensing pump is a solenoid operated piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rates, users have complete control of the volume and rate of dispense for specific... [See More]
- Application: AdhesiveSilicone; FoodBeverage; Lubricants; Water
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 0.0030
from PVA - Precision Valve & Automation
The MR2 is a versatile servo-controlled piston dispenser for processing single or dual component chemistries requiring a high level of dosing accuracy. Utilizing a volumetric displacement concept, the MR2 is capable of processing a wide range of chemistries, including viscous filled or abrasive... [See More]
- Application: AdhesiveSilicone
- Media Viscosity: 1 to 1.00E6
- Valve Dispensing Technology: Positive Displacement
- Dispensing Application: Bead; Fill ("potting")
from Cammda Corporation
CAMMDA Corporation provides a range of Dispensing Tips/Dispensing Needles - available to suit every dispensing requirement. Precision cut stainless steel for general purpose use, molded polypropylene and flexible polyethylene tips allow dispensing in the most restricted areas. Taper tips provide for... [See More]
- Application: AdhesiveSilicone
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Needle or Spool
- Dispensing Application: Dot
from Nordson EFD
The 725HF Series high flow piston valve fills small bottles, foil packs, and other packaging with absolute accuracy at up to 450 ml per second. Ideal for adhesives, cosmetics, creams, grease, lubricants, inks, and sealants, the 725HF is also used for potting electronics and applying braze pastes. [See More]
- Application: AdhesiveSilicone; Lubricants; Cosmetics, Creams, Inks
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 27.02
from Valcor Engineering Corporation
The SV525 series dispensing pump is a solenoid operated piston driven pump that delivers a wide range of fluids with high precision. By combining the easily adjustable stroke of the pump with variable cycle rates, users have complete control of the volume and rate of dispense for specific... [See More]
- Application: AdhesiveSilicone; FoodBeverage; Lubricants; Water
- Material Feed: Continuous Feed
- Valve Dispensing Technology: Positive Displacement; Rod/Piston
- Dispense Rate: 0.0120
from PVA - Precision Valve & Automation
The PC200 is ideal for any plural component bead, dot, potting, or encapsulation project. The PC200R-SS can be integrated with a PVA automated meter-mix process or used in a handheld dispensing operation. The PC200R-SS is compatible with standard bell inlet disposable static mixers. [See More]
- Application: AdhesiveSilicone
- Media Viscosity: 1000 to 500000
- Valve Dispensing Technology: Positive Displacement
- Dispensing Application: Bead; Fill ("potting")
from Cammda Corporation
CAMMDA Corporation provides a range of Dispensing Tips/Dispensing Needles - available to suit every dispensing requirement. Precision cut stainless steel for general purpose use, molded polypropylene and flexible polyethylene tips allow dispensing in the most restricted areas. Taper tips provide for... [See More]
- Application: AdhesiveSilicone
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Needle or Spool
- Dispensing Application: Dot
from Nordson EFD
The 741MD Series MicroDot ™ needle valve dispenses very precise micro-deposits down to fractions of a microliter. Pneumatically operated and adjustable, it delivers superior fluid dispensing control. Ideal for automated assembly processes, the 741MD-SS valve ’s adjustable needle stroke... [See More]
- Application: AdhesiveSilicone; Lubricants
- Material Feed: Batch (Syringe)
- Valve Dispensing Technology: Micro-Dispensing Valve; Needle or Spool
- Dispensing Application: Dot