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Watson-Marlow Showcases Pump Technology at WEFTEC 2022

Posted on: August 25th, 2022

As seen on Water Technology (WaterTechOnline.com) – Aug. 23, 2022

Qdos chemical metering solutions and Bredel heavy duty sludge pumps showcased at the WEBTEC 2022

Watson-Marlow Fluid Technology Solutions (WMFTS) will showcase its pump technology for the water and wastewater industries at WEFTEC 2022, held Oct. 10-12 at the Ernest N. Morial Convention Center in New Orleans. Visit booth 7047 to see its Qdos range of peristaltic chemical metering pumps with new Qdos mounting solutions and the Bredel line of heavy-duty sludge pumps.

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NYSCC Suppliers’ Day 2022 – Scott4U Booth 1134

Posted on: April 28th, 2022

NYSCC 2022 Scott4U Booth 1134

New York Society of Cosmetic Chemists Suppliers’ Day 2022

Choose Scott4U for all your Personal Care & Cosmetics Industry Engineering, Mixing, Pumping, and Process Equipment Needs.  See the equipment in action at booth #1134 and discuss your unique application and challenges with a Scott4U Sales Engineer. ___________________________________________________________

Mixers  *  Homogenizers  *  Stirrers  *  Powder Blenders

Pumps  *  Filling Systems  *  Sensors  *  Controllers

Chillers  & Coolers  *  Temperature Control  *  Heat Exchangers

___________________________________________________________

Scott Process Equipment, Your ENGINEERING and PROCESS EQUIPMENT Resource, represents premier manufacturers of pumps, high shear and low shear mixers, homogenizers, colloid mills, powder blenders, stirrers, sensors, controllers, valves, filling systems, strainers, liquid path solutions, heat transfer equipment (heat exchangers, coolers and chillers), skids & integrated systems.

Engineers first, with decades of experience, the sales team are service-oriented professionals, focused on finding the right process equipment or an integrated system for your unique application. See the equipment first-hand at the Scott4U Booth #1134 and schedule an onsite appointment and demo. Robust Line Card includes A-One Manufacturing, Bematek, Bridge Machine Company, Caframo LabSolutions, Chase Logeman, Doyle & Roth, Dynisco, Likwifier, Mokon, Northern Pumps, Readco, Roper Pumps, Sandpiper, Sharpe Mixers, Silverson Machines, SPXFlow (APV, Waukesha Cherry Burrell), Steridose, Unibloc Pump, Watson-Marlow Fluid Technology Solutions, (Watson-Marlow Pumps, Watson-Marlow Tubing, Flexicon Liquid Filling, Bredel Hose Pumps, MasoSine Process Pumps, Bio-Pure, and Flow Smart), and XLG Heat Transfer Systems. Choose Scott4U for all your Personal Care & Cosmetics Industry Engineering, Mixing, Pumping, and Process Equipment Needs.

Stop by the Scott Process booth #1134 to see the equipment in action and to discuss your application with a Scott4U Sales Engineer.

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Tuesday, May 3rd ———– 9 am to 5 pm

Wednesday, May 4th ——- 9 am to  4 pm

Jacob K Javits Convention Center, NYC

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Silverson FMX5 – Laboratory Powder / Liquid Mixer

Posted on: October 26th, 2021

FMX5 Laboratory Powder/Liquid Mixer

For mixing on a laboratory scale Silverson can now provide customers with the same powder/liquid mixing advantages as larger scale production with the introduction of the FMX5 to the product range. The FMX5 is a laboratory scale version of Silverson’s production scale Flashmix mixers and provides a simple, effective and hygienic means of powder/liquid mixing on a Laboratory scale. It is also able to process higher viscosity mixes. The FMX5 is suitable for small scale manufacturing and R&D work with a typical batch size of up to 10 litres, depending on viscosity. The mixer offers an accurate means of predicting the performance of the production scale Flashmix, making the scale-up process a simple task. The FMX5 offers proven performance on a wide range of powders including gums (CMC, Guar, Gum Arabic, Pectin, Xanthan), sugars, flours, milk powder, Carbopol, Bentonite and many others across a range of industries.

More Information and Video 

NYIFT 2021 Suppliers Day

Posted on: September 7th, 2021

 

NYIFT 2021 Supplers Day

New York Institute of Food Technologists

Scott Process Equipment Proud Corporate Sponsor and Suppliers Day Exhibitor

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Tuesday, September 14, 2021

NYIFT Suppliers Day & Career Fair  —  The Largest IFT Expo on the East Coast

Scott4U Booth # 324

Meadowlands Expo Center, 355 Plaza Drive, Secaucus, NJ 07094

Free for Attendees and Open to Members and Nonmembers

 

This Expo and Career Fair is open to all segments of the food and related industries. You will meet with companies and representatives from the beverages, dairy, seafood, baking, confectionery, pet, vitamins, nutraceuticals, fruit & vegetables, meats & poultry, retail foods, food service, packaging, processing, laboratory equipment, sanitation, analytical testing, computer technology/software, and many more!

Looking forward to seeing you at the show … Booth # 324

SCHEDULE

  • 1:00 – 3:30 PM – Technical Seminar – Microencapsulation: Technology & Applications – Register Here   Pre-Registration Payment is required to guarantee your seat
  • 3:30 – 6:30 PM – Expo & Career Fair
  • 6:30 – 8:00 PM – After-Show Reception – Open to Attendees and Exhibitors. Beat the traffic and stay for a casual bite to eat with a cash bar. There is no fee to attend this social event.

Viscosity Testing

Posted on: November 10th, 2020

Introducing Viscosity Testing

for Customer Products

Watson-Marlow Viscosity Testing of Customer ProductsWatson-Marlow pumps are designed to pump viscous products with ease but not every customer knows the actual viscosity of their product. Most products are shear-thinning and this can sometimes lead to the misapplication of a pump.

Watson-Marlow now offers viscosity testing on customer supplied samples which will allow us to recommend the perfect products for every application.

We anticipate this program is not to be used for every application, but as a way of engineering to work with our customers when there are questions about the product and which solution should be provided.

The first sample, per customer, will be free of charge. Additional samples can be tested but there will be a charge for each submission. The viscosity information along with application details (desired flow rates, suction and discharge piping length/diameter, temperature, etc.) will ensure that we have properly sized a Watson-Marlow pump for the application.

While we are pleased to offer this testing please be aware that it is usually completed within 1 to 2 weeks, which will add time to the normal quotation process.

Please contact your Scott4U engineer for additional information.

Continuous Processors Mix Fast-Reacting Materials Quickly

Posted on: July 15th, 2020

Chemical Engineering |

 

Readco’s Continuous Processors (photo) feature a proprietary design that ensures the fast-reacting materials used to process rigid polymeric foams are mixed, gelled and reacted entirely within the sealed reactor barrel before they begin to cure. Allowing foam formation and curing to occur entirely downstream, the Continuous Processors eliminate the risk of premature curing inside the barrel, along with its requisite, labor-intensive cleaning and safety concerns. Developed for producing foams, such as polyurethane, polystyrene, polyethylene and other materials that cure instantaneously, the Continuous Processors strategically introduce isocyanates, blowing agents and other reactants at key points in the process to efficiently produce a uniform, homogeneous dispersion of materials within a tight residence time. Targeted specifications for strength, cell morphology, thermal conductivity and other properties are consistently achieved.


Scott Process, Your Engineering and Process Equipment Resource, offers a robust product line; mixers, pumps, sensors, controllers, and heat transfer equipment, proudly representing premier manufacturers like Readco.  Engineers first, with decades of experience, the Scott4U team is focused on finding the right process equipment or integrated system for your unique application.  Contact us to schedule a call, video conference, onsite visit, or equipment trial.

 

Continuous Processors Allow Safe Operation While Empty

Posted on: May 7th, 2020

Readco’s Continuous Processors feature a design that allow safe operation while running on empty.

(Powder & Bulk Solids  — 4/30/2020)

These continuous processors feature a proprietary power transmission design and bearing configuration that allow safe operation while running on empty.

An upgrade versus extruders that must rely on the material to guard against metal to metal contact with the barrel, the continuous processors automatically prevent the mixing elements from contacting the barrel and eliminate risk of contamination from metal to metal contact to allow safe startup without any material in the process. By loading the recipe, raising the barrel temperature, and verifying the system settings while running empty, the continuous processor saves on both material and energy at every startup.

When shutting down for cleaning or maintenance, the continuous processors may be run on empty to allow the designed-in, self-wiping action of the mixing elements to automatically purge approximately 95% of the material from inside the mixing chamber. This advantage minimizes the need for chemical cleaning agents, offering cost savings and environmental protections in systems requiring solvents for cleaning.

Ideal for food, chemical, plastics, pharmaceutical, and other processors concerned about speeding production and reducing costs, the continuous processors are custom engineered for each installation to discharge a uniform, homogeneous end product that meets a variety of targeted specifications. The systems are designed based on product testing conducted on full-size equipment with customer formulations in the company’s on-site testing laboratory.

COVID-19 Impact on Manufacturing

Posted on: March 20th, 2020

 

“manufacturers are grappling with disruptions to
their businesses due to the COVID-19 outbreak”

NAM Pres. and CEO J Timmons

Committed to being part of the solution every step of the way to protect the health and well-being
of our communities and country, manufacturers play a Critical Role in the COVID 19 Response.

Scott Process recognizes during these difficult times,
our customers need us more than ever.

As you confront fluctuations in supply and demand and changes in production
and operations, rest assure, Scott4U is available via email, phone, or video conference.
We can efficiently procure critical spare parts now and help avoid extended lead times in Q2-Q4.

“Caution is appropriate. Preparedness is appropriate. Panic is not.”

(U.S. Surgeon General Dr. Jerome Adams, commenting on the corona-virus outbreak)

Scott4U – Your Engineering and Process Equipment Resource

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Together, we are facing a truly unprecedented situation. The global corona-virus pandemic is affecting all of our families, our businesses, our communities, and our way of life. First and foremost, our hearts go out to anyone who’s been impacted by the virus, either directly or indirectly and grateful to those who work tirelessly to care for people in need.

CAUTION

Scott Process is taking all necessary precautions; Scott4U team members work remotely, and are adhering to CDC guidelines, while assisting our customers overcome the myriad of challenges caused by COVID-19.

CHALLENGES – COVID-19’s impact on your company

Businesses are confronting significant and unique challenges including:

  • Caring for employees; a company’s most valuable resource
  • Supply chain disruption
  • Fluctuation in demand
  • Ramping up manufacturing capacity as needed
  • Shifting production
  • Longer lead times
  • Rapidly changing regulations and restrictions
  • Maintaining food safety and product integrity

PREPARE – short-term measures and long-term plans

Preparedness is key and Scott4U is here to help you.

  • Scott4U is open for business – let us help keep your labs, plants and production facilities up and running
  • Meeting our commitments to deliver quality, reliable products that are essential to your success
  • Sourcing Alternative Solutions — the Scott4U sales team is focused on finding the right process equipment or an integrated system for each unique application.
  • Engineers first, with decades of experience ensures our knowledge of equipment and the processing industry and the ability to suggest alternative solutions when needed
  • Procuring critical spare parts
  • Fast turn-around on Quotes and Order Processing
  • Quick delivery on critical lab or process equipment
  • Competitive pricing
  • Support commissioning, installation, and field service in areas where travel is still permitted and to the extent that our employees, customers and partners remain safe.
  • Staying connected – utilizing technology to allow for additional virtual capabilities to keep our team members safe and connected to customers.
  • Forecasting future needs of spare parts to avoid extended lead time in Q3 and Q4

If you need immediate help securing parts or equipment for your facility, please contact a Scott4U engineer via email: Sales@Scott4U.com or phone: (973) 729-7971 x 101.

In this rapidly changing environment Scott4U is here to help our neighbors and customers.

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About Scott Process

Since 1989, Scott Process Equipment has focused on helping customers in the Bio-Pharm, Pharmaceutical, Chemical, Food & Beverage, Industrial, Personal Care Products, Cosmetics, Plastics and Polymers industry solve design problems. Scott Process Equipment Corp offers a robust product line, proudly representing pump, mixer, homogenizer, powder blender, sensor, controller, scale, valve, filling system, polymer test equipment, strainer, and heat transfer equipment manufacturers.

Engineers first, the sales team is focused on finding the right process equipment or an integrated system for each unique application. Decades of experience ensures their knowledge of equipment and the processing industry.

Honest, straight-forward and service-oriented professionals committed to their customers, Scott Process is Your Engineering and Process Equipment Resource.

About NAM

The National Association of Manufacturers is the largest manufacturing association in the United States, representing small and large manufacturers in every industrial sector and in all 50 states. Manufacturing employs more than 12.8 million men and women, contributes $2.37 trillion to the U.S. economy annually and has the largest economic multiplier of any major sector and accounts for 63% of private-sector research and development.

NYIFT 2020 Suppliers’ Day Booth 223

Posted on: March 9th, 2020

 

NYIFT

Suppliers’ Day

WHEN

Wednesday, March 25, 2020

NOW Tuesday, September 22nd

NYIFT announced on March 11th that as a result of corporate travel restrictions, and their commitment to the health and safety of everyone involved due to the concern of the Coronavirus (COVID-19), they have made the decision to POSTPONE its NYIFT Suppliers Day Expo, Technical Seminar and Career Fair originally planned for Wednesday, March 25, 2020, to Tuesday, September 22, 2020.

Please stay safe and healthy and mark your calendars for September.

SCHEDULE
Technical Seminar – 9:30 a.m. – 3:30 p.m.
“CBD & Hemp in Edibles: 2020 & Beyond”
View Program Below

Expo & Career Fair – 3:30 – 6:30 p.m.

Scott4U Booth 223

After Show Reception – 6:30 – 8:00 p.m.

WHERE
Meadowlands Expo Center
355 Plaza Drive, Secaucus, NJ 07094

ATTENDEE REGISTRATION

The NYIFT Suppliers Day and Career Fair
The Largest IFT Expo on the East Coast

Scott Process and the  New York Institute of Food Technologists (NYIFT) invites you to participate in our largest event of the year being held on Tuesday, September 22, 2020 at the Meadowlands Expo Center in Secaucus, NJ. Returning to last year’s location.  This Expo and Career Fair is open to all segments of the food and related industries.  You will meet with companies and representatives from the beverages, dairy, seafood, baking, confectionery, pet, vitamins, nutraceuticals, fruit & vegetables, meats & poultry, retail foods, food service, packaging, processing, laboratory equipment, sanitation, analytical testing, computer technology/software, and many more! There will be over 250 exhibitors!

Technical Seminar Program

  • Policy & Regulatory Update of CBD & Hemp
  • CBD + Food: Quality & Food Safety Challenges
  • How to Bring an Infused Product to Market: challenges, risks, and opportunities
  • CBD as a Novel Food Ingredient
  • Consumer Insights, Health & Wellness for CBD & Hemp
  • CBD & Hemp: State of the Industry
  • Hemp Ingredients-Delivering Nutrition and Functionality in Food
  • Sensory Considerations when Formulating with CBD
  • Level Up Your Edibles
  • Product Tasting Opportunity & Break
  • Learnings from a Journey into Canna-Beverages

Colloid Mill Shear Fundamentals

Posted on: March 9th, 2020

Shear Rate  |  Shear Stress

Colloid Mill Shear Fundamentals by Bematek

INTRODUCTION

Based on the known operating parameters of a Bematek colloid mill, it is possible to estimate the shear rate and shear stress experienced by each internal phase particle of an emulsion or dispersion while it is within the gap between the rotor and stator.

Before presenting the calculations, it must be emphasized that any such attempt to develop a mathematical model of a real world situation can only be viewed as an approximation. The real world seldom, if ever, conforms in every detail to our neat and orderly expectations. Our analysis is limited both by a less than perfect understanding of the physics involved and by the necessity to make certain assumptions in the mathematical treatment. Nevertheless, the colloid mill shear calculations performed for many years by the Bematek engineering team have proven to be very useful and reliable for designing colloid mills that perform up to the specified production requirements.

Bearing in mind the cautions noted above, the shear rate and shear stress generated within the rotor/stator gap of a Bematek colloid mill can be calculated as a function of the following basic operating parameters:

  • D (ft) = rotor exit diameter
  • N (rpm) = rotor rotational velocity
  • h (ft) = rotor/stator gap
  • μ (cP) = product viscosity

All of the other necessary variables can be derived from these fundamental quantities.

 

ROTOR TIP SPEED

The first step is to calculate the tangential linear velocity of a point on the working surface of the rotor.  This is called the peripheral rotor tip speed (see Figure 32-003-1).

It is clear from Figure 32-003-1 that the diameter at the rotor surface increases from “d” to “D” as one travels through the rotor/stator gap. However, to arrive at a preliminary result for this basic analysis, we will consider the diameter of the rotor to be its exit diameter. A more complete analysis is presented in another Tek Talk issue.

Roto from the inlet

Figure 32-003-1: Rotor As Seen From Inlet

Considering a random point (P) on the outer edge of the rotor, as shown in Figure 32-003-1, one complete revolution of the rotor travels a distance equal to the exit circumference of the rotor.

S= πD

Next, we apply an equation that relates linear velocity to angular velocity for circular motion:

v=S x N

By combining the two previous equations, we arrive at the desired result:

v =πDN/60   (32-003-1)

Where, v (ft/sec) = linear velocity at rotor surface

D (ft) = rotor exit diameter

N (rpm) = rotor rotational velocity.

Note:  A conversion factor of 60 has been applied in the above equation to permit the expression of “N” in the more common units of rpm.

SHEAR VELOCITY

Having expressed the velocity of any point on the rotor surface in terms of known variables, we can now move on to an analysis of the phenomena within the rotor/stator gap. In order to accomplish this, we will approximate the rotor and stator surfaces in the immediate vicinity of any random point in the shear area by straight lines. Since the rotor/stator gap is typically three orders of magnitude smaller than the rotor diameter, this is justifiable. Then, a coordinate system is chosen so that the x-axis lies along the stator surface, and a random point (P) within the rotor/stator gap has coordinates (x, y) with a shear velocity of u. The situation is illustrated in Figure 32-003-2.

Figure 32-003-2: Rotor/Stator Gap (Seen From Inlet)

Figure 32-003-2: Rotor/Stator Gap (Seen From Inlet)

It is clear from the symmetry of the situation that the velocity at the random point cannot be a function of its x coordinate, because any other point along a horizontal line through this point is subjected to exactly the same shear forces. Now, as an initial attempt, assume that the velocity at P can be expressed as a simple linear function of its y coordinate:

u = Ay + B     (32-003-2)

Where, u (ft/sec) = velocity at point P

y (ft) = y coordinate at point P

A, B = unknown constants.

In the equation above, the unknown constants must be determined from the boundary conditions of the problem. A known empirical fact from the field of fluid mechanics, which states that a fluid in contact with a solid object assumes the velocity of that object, leads to the following conclusions:

  • the velocity of any point on the rotor surface is v
  • the velocity of any point on the stator surface is 0

Thus, the following two equations can be used to express the boundary conditions:

uy=0  = A × 0 + B = 0

uy=h  =  A × h + B = v

The solution of this pair of simultaneous equations requires that B = 0 and A = v/h. By combining Equation

32-003-1 and Equation 32-003-2 and inserting these values, a final expression for the velocity at our random point is obtained:

    u =πDN/60 ∙ y/h              (32-003-3)

Where, u (ft/sec) = velocity at point P

D (ft) = rotor exit diameter

N (rpm) = rotor rotational velocity

y (ft) = y coordinate at point P

h (ft) = rotor/stator gap.

Notice that at y = 0 and y = h, the values calculated for “u” do indeed satisfy the boundary conditions. The fact that values for the constants A and B were found which led to a final equation meeting the boundary requirements indicates that the assumption of linearity was valid.

SHEAR RATE AND SHEAR STRESS

With the shear velocity equation completed, we are now prepared to complete the shear calculations. In the rectangular coordinate system, a velocity function that is independent of the x and z coordinates leads to the following expression for the shear rate at our random point:

R =du/dy= πDN/60h      (32-003-4)

Where, R (sec-1) = shear rate at point P

u (ft/sec) = velocity at point P

y (ft) = y coordinate at point P

D (ft) = rotor exit diameter

N (rpm) = rotor rotational velocity

h (ft) = rotor/stator gap.

Having calculated the shear rate, one final definition from the field of fluid mechanics completes the analysis:

Viscosity (μ) =(Sheer Stress (τ))/(Shear Rate (R))

Implicit in this definition is an assumption that viscosity is a constant that is independent of the shear rate. In other words the fluid viscosity is assumed to be Newtonian. Then, by substituting the shear rate from Equation 32-003-4 above into this definition, the shear stress is given by:

τ =μπDN/60h

Finally, by combining all constants and converting viscosity to cP, the above equation becomes:

τ = (1.09 × 10–6 ) × μDN/h     (32-003-5)

Where, τ (lb/ft2) = shear stress

μ (cP) = product absolute (dynamic) viscosity

D (ft) = rotor exit diameter

N (rpm) = rotor rotational velocity

h (ft) = rotor/stator gap.

Equation 32-003-4 and Equation 32-003-5 above complete our task of expressing the shear rate and shear stress applied to any internal phase particle of an emulsion or dispersion passing through the rotor/stator gap, in terms of the basic operating parameters of the colloid mill.

A TYPICAL EXAMPLE

Now that all of the necessary equations have been developed, we can gain a feeling for the order of magnitude of some of these variables by applying the equations to a typical real world example. Let us assume that a hypothetical application has the following specifications:

  • N = 4800 rpm
  • D = 4 i = 0.33 ft
  • μ = 1 cP
  • h = 0.010 in. = 0.00083 ft

Then, we can use the equations derived in the previous section to calculate the shear parameters as follows:

v =(π x 0.33 x 4800)/60 = 83.8 ft/sec

R =(π x 0.33 x 4800)/(60 x 0.00083) = 100,531 sec-1

τ =”(1.09 x 10-6)” x (1 x 0.33 x 4800)/( 0.00083) = 2.09 lb/ft2

From the above example, the ease with which these three important processing parameters can be calculated from the known basic specifications of the Bematek colloid mill should be obvious.

 

SUMMARY

Although several assumptions and approximations were applied during the analysis presented here, the three important relationships derived have proven to be remarkably dependable. As a basic starting point, these equations may be used with complete confidence to accurately analyze a wide range of processing applications.

Nevertheless, Bematek’s efforts to further refine the hydraulic shear analysis are ongoing. Additional improvements in the mathematical model may be achieved by eliminating some of the assumptions and approximations made here. Specifically, factors such as the non-Newtonian nature of most fluid viscosities and the conical rotor face in Bematek’s colloid mills are considered.

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