Nordson provides all the needed equipment for complete liquid spraying systems, which includes accessories and various types of pumps.

To accommodate the use of unique and more durable liquid materials that are more abrasive and difficult to spray, Nordson has developed patented ScoreGuard? coated pump plungers. Nordson plungers provide superior performance and toughness over other coatings used in wear applications.

Twice as hard as conventional hard chrome plating, the metallic silver-colored ScoreGuard coating has excellent corrosion resistance to assure reliable operating performance.

With a two-year warranty, ScoreGuard coating provides maximum pump life for superior durability even with the most demanding coating applications.


1) 25B Pumps

The Nordson 25B pump is a versatile, air-operated, hydraulic pump for heated or unheated spray systems and fluid delivery applications. The positive displacement, demand-type pump is available in 2:1, 4:1, 16:1, and 27:1 fluid-to-air ratios to meet a variety of high-pressure, airless and low-pressure, higher-volume applications.

The pump's hydraulic plunger is hard-coated with Nordson's patented ScoreGuard coating to ensure long service life.

The 25B pump is available in stainless-steel construction for corrosive and waterborne applications, as well as several non-paint applications including cold glue and adhesives.

• Reciprocating plunger and packing design reduces pump wear and maintenance costs
• Wide selection of “standard” packing materials are available for use with a variety of coating formulations
• Hard-chrome wear surfaces for long life using abrasive coatings
• Wall, drum, five-gallon pail or dolly mounting accommodates varying application requirements
• Standard-type U packing glands offer excellent abrasion resistance with zero water absorption for much longer packing life
• Large, stainless-steel ball checks provide smooth fluid delivery with high-viscosity coating materials
• Large, enclosed solvent chamber lubricates plunger and increases upper packing life
• Patented ScoreGuard precision-ground, hard-chrome hydraulic plunger ensures long service life
• Self-adjusting hydraulic packing glands — need no maintenance throughout their life and cannot be overtightened or neglected

2) 64B Pump

The Nordson Model 64B pump is a positive-displacement, demand-type pump designed to operate multiple guns at mid-range volume or a single gun in high-volume applications of high viscosity materials. Lower cycle rates of the 64B pump can easily accommodate abrasive coatings.

The 64B pump is available in 15:1 and 30:1 fluid-to-air ratios in either aluminum or stainless-steel construction.

The pumps can be used with a variety of coating materials, including corrosives, as well as for food and drug applications.

• Self-adjusting, stationary, hydraulic packing glands — need no maintenance throughout their life and cannot be overtightened or neglected.
• Air-operated pump — can be used in hazardous locations with solventborne coatings.
• Reciprocating plunger and stationary packing design — reduces pump wear and maintenance costs.
• Wide selection of “standard” packing materials — for use with a variety of coating formulations.
• Precision-ground, hard chrome hydraulic plunger — ensures long service life.
• Large, stainless-steel ball checks — provide smooth fluid delivery with high-viscosity coating materials.
• Large, enclosed solvent chamber — lubricates plunger and increases upper packing life.
• Mechanical air valve — provides reliable, fast cycling action to minimize pressure fluctuations for a more uniform spray pattern.
• Sheet metal cover — protects pump from the hazards of a normal industrial environment.

3) PermaFlo Series pumps

Nordson PermaFlo Series pumps are designed and constructed to withstand the rigors of pumping today’s more abrasive, higher solids coatings. Their modular design, patented wear-resistant coating and other proven features meet a wide range of pressure and volume requirements, and assure long service life and low maintenance costs.

Plungers and housings of the PermaFlo pumps feature a patented ScoreGuard? wear-resistant coating that provides superior performance and toughness over other coatings used in wear applications.

The heavy-duty design features and construction of the PermaFlo pumps facilitate maintenance and minimize associated costs. The quick-disconnect feature between the air motor and hydraulic section, and adjustable upper packings assure easy access to the end-user for longer service life and less
downtime.

• Quick-disconnect design of air motor and hydraulic section minimizes maintenance
• Adjustable upper packings give control to user to minimize downtime and ensure longer life
• Air motor and pressure and siphon ball checks produces substantially less pressure pulsation (pump wink)
• All stainless steel wetted parts construction accommodates a wide range of coating applications
• PermaFlo pump muffler design meets OSHA requirements for safe operation without hearing protection

4) High-Pressured Fluid Filters

Available in single and dual versions, Nordson high-pressure filters prevent nozzle clogging in a variety of fluid delivery applications. The filters use reinforced screens to provide longer service life and extend time between cleanings. Nordson filters are shipped with a .006 inch screen, but a wide range of screen sizes is available to accommodate changing production needs.

• Check valves in dual filter design facilitate cleaning with minimal downtime
• Standard filters require no o-rings, minimizing maintenance and repair costs
• Reinforced screens provide longer life
• Drain valves facilitate cleaning and routine maintenance
• Single filter brace can be used as a mounting bracket during installation

5) Automated Triggering System

The Nordson Automated Triggering System (ATS) provides effective control of rotary atomizer and spray-gun trigger points in automatic finishing systems. The ATS can control triggering of up to four spray devices in up to two spray stations. The Automated Triggering System includes an operator interface, PLC controller, one or two photocells (depending on spray line configuration), and a conveyor encoder. When used with rotary atomizers, the system controls paint triggering, solvent cleaning burst, pre-burst of paint after solvent flush and high-voltage triggering. The ATS can provide up to two vertical zones when spray devices are mounted on oscillators or reciprocators.

• Automatic control of spray device trigger points for paint savings and a cleaner operation
• Standard system programming accommodates a wide range of production requirements
• Conveyor encoder resolution can be adjusted to meet varying system layouts
• Password access to selected programs prevents unauthorized changes to programming
• Built-in eeprom memory preserves set-points in the event of a power failure

6) NH-4 Heater

Nordson heated airless and air spray systems utilize the Nordson Model NH-4 fluid heater to reduce the viscosity of coating materials and increase operating efficiency without adding solvents.

The NH-4 heater is an electrically operated, explosion proof, high-pressure fluid filter. It consists of an electrical enclosure and high-pressure fluid passage body. It is available in twin-passage and stainless-steel models for high viscosity coatings, high flow applications or corrosive materials. It can be wall- or dolly-mounted based on application requirements.

• Simple design makes temperature setting and monitoring easy
• Multiple heaters can be installed for increased heating/flow capacity
• Minimizes pressure loss in high flow/high viscosity applications
• High-temperature limiter and explosion-proof design provide safe operation; heater components are designed for easy installation and field repair
• High fluid velocity and low watt density provide consistent heating

7. Cross Cut Airless Spray Gun Nozzle

Proprietary Nordson Cross-Cut nozzles are designed to provide improved atomization with a wide range of materials, including highly viscous and difficult-to-atomize coatings. Cross-Cut nozzles produce greater atomizing energy at a given fluid pressure, compared to conventional airless spray nozzles. Excellent atomization is achieved at reduced fluid pressure, resulting in a softer, low-velocity spray that helps minimize dripping, material waste and equipment wear for maximum coating efficiency and material utilization.

• Nordson Cross-Cut nozzles produce significantly wider fan patterns (up to 28 inches) than conventional airless nozzles
• Cross-Cut nozzle design is inherently less prone to plugging
• Cross-Cut nozzles atomize materials at lower pressures which produces a softer, more controllable spray
with minimal overspray and bounceback
• When Cross-Cut nozzles begin to wear, both flow rate and fan pattern width increase together and film thickness
remains nearly constant
• Finer atomization provides a higher quality airless finish than is possible with standard nozzles
• Softer spray pattern substantially improves airless electrostatic efficiency and wrap
• Cross-Cut nozzles require no additional regulators to adjust

Nozzle Catalog

8. Plural-Component Optimix Dispensing System

The Nordson OptiMix system precisely meters, mixes and pumps a wide variety of plural-component materials for quality coating and efficient material usage. High-volume-displacement pumps keep duty cycles low for reduced maintenance requirements, even under demanding output requirements. The OptiMix system uses an air signal to change the direction of travel of the pumps, which allows the pumps to operate smoothly and efficiently at lower operating pressures than other systems. With few routine maintenance requirements, the system is designed for ease of service.

• Precise metering and mixing of plural-component materials for quality coating and efficient material usage
• High-volume displacement pumps keep duty cycles low for reduced maintenance requirements
• Air signal to change pump direction for low pressure operation and reduced component wear
• Easy access to shifting components for fast maintenance and repair
• Wide variety of systems to handle most plural component materials and dispensing systems

There are a lot more references about our Nordson liquid system.Please contact us for more information.

All information in this website are from http://www.nordson.com, which is our parent website.

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