Pipefitting
CIP / COP
Utility Sets
Valve Clusters
Batch Processing
Heat Exchanger
Flow patterns are a critical design factor in any shell and tube heat exchanger, directly impacting heat transfer efficiency, thermal stress, and overall system performance. Engineers can select from three primary flow patterns—parallel flow, counter flow, and crossflow—but in many cases, combining these patterns leads to optimal results.
Parallel Flow (Cocurrent Flow)
In parallel flow, both the shell side and tube side fluids flow in the same direction. This pattern is commonly found in double-pipe heat exchangers and can be applied to shell and tube configurations as well.
Pros:
- Ensures more uniform wall temperatures, reducing thermal stress.
- Ideal when a moderate temperature difference between fluids is sufficient.
Cons:
- Less thermally efficient compared to counter flow, as the maximum temperature difference occurs only at the inlet.
- Risk of thermal stress from dramatic inlet temperature differentials.
CrossFlow
In crossflow heat exchangers, fluids flow perpendicularly to each other. This pattern is commonly used in steam condensers and other applications involving phase changes.
Pros:
- Effective in applications involving gas-liquid heat transfer or condensation processes.
- Can be customized with baffles and tubes to optimize turbulence and heat transfer.
Cons:
- Less thermally efficient than counter flow but often ideal for specialized applications like condensation.
Counter Flow (Countercurrent Flow)
Counter flow heat exchangers are designed for the tube side fluid to enter from the opposite end of the shell side fluid. This flow pattern is the most thermally efficient and is preferred in many applications where maximizing heat transfer is critical.
Pros:
- Delivers the highest temperature change between fluids, enhancing heat transfer efficiency.
- More consistent temperature differences across the exchanger reduce hotspots and thermal stress.
Cons:
- Can be more complex to design when used in conjunction with multipass configurations.
Key Considerations for Optimal Flow Pattern Selection
Counter flow heat exchangers are designed for the tube side fluid to enter from the opposite end of the shell side fluid. This flow pattern is the most thermally efficient and is preferred in many applications where maximizing heat transfer is critical.
Pros:
- Delivers the highest temperature change between fluids, enhancing heat transfer efficiency.
- More consistent temperature differences across the exchanger reduce hotspots and thermal stress.
Cons:
- Can be more complex to design when used in conjunction with multipass configurations.
Why Combining Flow Patterns is Often Used
In real-world applications, shell and tube heat exchangers often combine multiple flow patterns to meet complex process demands. A common combination is counter flow and parallel flow, especially in multipass systems. This hybrid approach maximizes thermal efficiency while mitigating risks such as excessive thermal stress or fouling.
For more information, visit our website: www.mgnewell.com and www.newellautomation.com.
Pump Carts
The BFM Fitting Difference
100% Sealed Flexible Connectors
M.G. Newell is proud to be a key partner with BFM® Fitting. We have extensive experience with their products and offer full engineering and technical support to make sure you get the right product for your application.
BFM fitting is the connector of choice for global manufacturers in the food, chemical, pharmaceutical and mineral industries. From metal detectors to sifters, high pressure or vacuum, BFM fitting connectors are used in a wide range of industrial applications.
Years of expertise and industry knowledge have created a transformed flexible connector.
Benefits of BFM Connectors vs Traditional Hose Clamps
Traditional: Hose Clamp Fabric Sleeve
- Multiple sizes, materials, fitting types & safety conformity make stock monitoring complex. Inconsistent sizes and fit when installing manually cut sleeve materials.
- Valuable product can be lost due to constant connector leakage. Clamped connectors prone to tearing leading to product spillage.
- Slow and difficult to change. Longer plant downtime during CIP & maintenance. Connectors wear out faster.
- Overpressure causes hose clamp failure before connector failure.
- Tools can damage connectors. Installer’s hands at risk.
- Inaccurate measurements & product variations create ill-fitting connections. Installation problems due to variation in fabrication.
- Powder leaks through hose clips. Build up between spigot and connector.
Transformed: BFM Integrated System
- Streamlines inventory control and improves supply chain sustainability. Standardized exact sizes ensures perfect fit every time.
- 100% seal prevents product leakage. Superior material strength and snap-fit design means connectors won’t tear.
- Fastest change over in industry guarantees minimal machine interruption. More durable connector means less change overs.
- Seals tighter under pressure. Independently explosion tested to 60 kPa +
- Tool free snap fit. Hand safe assembly. Clean & transparent connector gives
product flow visibility.
- Perfect fit every time – only in the
correct place.
- Leak free – Dust free No crevices to collect product.
The BFM Fitting system comprises two spigots (or flanges) that are welded to your pipes, and a snap-fit flexible connector that seats on the inside of the shaped portion of the two spigots, holding it securely in place; The stainless steel spigots have a tail 52mm long. These can be easily cut down or cut on an angle to suit your existing pipework.
BFM’s flexible connectors are available in a wide range of diameters and lengths. Pipe and spigot length can be adjusted to ensure the optimum fit within an appropriate Installation Gap (IG) for the connector length (CL).
The Installation Gap is always slightly smaller than the actual connector length to allow for ease of connector replacement and any offset or movement during operation.
BFM Fitting Product Range
BFM Fitting Products
NON-PERMEABLE CONNECTORS
SEEFLEX 040E – STRONG, MOST RESILIENT MULTI-PURPOSE CONNECTOR
• Temp. Range: -25°C to 110°C (-13°F to 230°F) • Surge Temp: 120°C (248°F)
• Surface Resistivity: 1010 Ω (Tested to ASTM D-257)
• Atex Compliant: IBExU tested
• Regulations: FDA 21 CFR 177.1680 & 177.2600, USDA & 3A (20-), (EC) 1935/2004, 2023/2006 & 10/2011
SEEFLEX 020E – LIGHTWEIGHT & FLEXIBLE, IDEAL FOR WEIGHSCALE APPLICATIONS
• Temp Range: -25°C to 80°C (13°F to 176°F) • Surge Temp: 100°C (212°F)
• Surface Resistivity: 1010 Ω (Tested to ASTM D-257)
• Atex Compliant: IBExU tested
• Regulations: FDA 21 CFR 177.1680 & 177.2600, USDA & 3A (20-), (EC) 1935/2004, 2023/2006 & 10/2011
SEEFLEX 040AS – DESIGNED TO DISSIPATE STATIC, IDEAL FOR POTENTIALLY EXPLOSIVE AREAS
• Temp. Range: -25°C to 95°C (-13°F to 203°F) • Surge Temp: 100°C (212°F)
• Surface Resistivity: 108 Ω (very good at dissipating static – Tested to ASTM D-257)
• Clear ether-based polyurethane with antistatic infusion
• Regulations: FDA 21 CFR 177.1680 & 177.2600, USDA & 3A (20-), (EC) 1935/2004, 2023/2006 & 10/2011
SEEFLEX 060ES – SUPERIOR STRENGTH FOR OVER-PRESSURE SITUATIONS
• Temp. Range: -25°C to 120°C (-13°F to 248°F) • Ether based polyurethane with internally bonded polyester scrim
• Surface Resistivity: 1010 Ω (Tested to ASTM D-257)
• Used for continuous pressure situations up to 1.3 bar
• Regulations: FDA 21 CFR 177.1680 & 177.2600, USDA & 3A (20-), (EC) 1935/2004, 2023/2006 & 10/2011
FLEXI – SEEFLEX + WIRE COIL – IDEAL FOR BAG FEEDERS & FILLING HEADS
• Temp Range: -20°C to 85°C (-4°F to 185°F) • Approx compression ratio: 3:1
• Also available as Flexi-Light (more flexible coil) and Flexi-Earthed with terminal lugs attached to coil ends
• Regulations: FDA 21 CFR 177.1680, 175.105 (adhesives) & 177.2600, USDA & 3A (20-), (EC) 1935/2004,
2023/2006 & 10/2011
TEFLEX NP BLACK (NON-PERMEABLE) – PTFE LAMINATE FOR TEMPERATURE EXTREMES & CHEMICALS
• Temp Range: -73°C to 300°C (-99°F to 572°F) • Surge Temp: 316°C (600°F)
• Teflex NP can be used on products across the full pH scale (caustic/acid products will not effect Teflex NP)
• Designed to dissipate electrical charge – Surface Resistivity: 106 Ω
• Regulations: FDA 21 CFR 177.1550, 175.105 & 178.3297, (EC) 1935/2004, 2023/2006 & 10/2011
BLANKING CAPS – AS SIGHT-GLASSES/VIEWING PORTS & SEALING DURING CHANGEOVERS
• Used to prevent contamination during clean down or change-over, also as sight-glasses/inspection ports
• Available in: Ø100mm (4”), Ø125mm (5”), then Ø150mm (6”) to Ø1,650mm (65”) in 50mm (2”) increments
• All blanking caps are 30mm (1 3/16”) in length
• Manufactured from Seeflex 040E (so same material/operational specs & compliance applies)
WOVEN CONNECTORS
LM3 – 100% WOVEN POLYPROPYLENE – BREATHABLE & SUITABLE FOR LOW TEMPERATURES
• Temp. Range: -70°C to 94°C (-94°F to 201°F) • Surge Temp: 107°C (225°F)
• Air Permeability: 13 (cm3/cm2/sec@125Pa) 25 (ft3/ft2/min@0.5” wg)
• Regulations: FDA 21 CFR 177.2800, (EC) 1935/2004, 2023/2006 & 10/2011
LM4 – 100% WOVEN POLYESTER – SUITABLE FOR HIGHER TEMPERATURES
• Maximum Operating Temp: 130°C (266°F) continuous
• Surge Temp: 150°C (302°F)
• Air Permeability: 0.4 (cm3/cm2/sec@125Pa) 0.8 (ft3/ft2/min@0.5” wg)
• Regulations: FDA 21 CFR 177.2800, (EC) 1935/2004, 2023/2006 & 10/2011
TEFLEX WOVEN – PURE WOVEN PTFE – HIGH TEMPERATURE & CHEMICAL RESISTANT
• Maximum Operating Temp: 260°C (500°F) • Surge Temp: 280°C (536°F)
• Air Permeability: 0.3 (cm3/cm2/sec@125Pa) 0.5 (ft3/ft2/min@0.5” wg)
• Teflex can be used on products across the full PH scale (either caustic or acid)
• Regulations: FDA 21 CFR 177.1550, 178.3297
MORE BFM FITTING PRODUCTS
BULK BAG LOADER – INFLATABLE LOADING HEAD FOR HYGIENIC OPERATION
- Inflates in seconds and seals tight on the neck of the bulk bag, eliminating products leaks.
- Much safer for workers hands as there are no pinch points.
- Can be used on bulk bags with or without plastic liners.
RINGS OPTION – SUPPORT / ANTI-COLLAPSE RINGS TO KEEP CONNECTOR WALLS OPEN
- Ideal for use under negative pressure or for longer length connectors or compression applications.
- Available in stainless steel to Ø500mm(20″) or plastic to Ø1,000mm (39 1/2″))
- Can be added Seeflex 040E (incl Wash Sleeves), Seeflex 040AS, LM3, LM4, Teflex and Teflex NP only.
- Multiple rings can be inserted up to 10 in total, subject to minimum spacing (Teflex NP maximum is 8).
TOOL RELEASE (TR) OPTION – FOR ADDED SAFETY LAYER OR HIGH VACUUM APPLICATIONS.
- Connectors have much firmer ‘snap-bands’ to make virtually impossible to release manually.
- Specialist rounded-end BFM Tool Release Tool used to release connector through hole in spigot.
- Any BFM fitting connector can be supplied as a TR option (with the firmer bands).
- Additional safety level offered with uniquely shaped ‘Smiley Face’ TR Tool option.
The system works by pumping pressurised air
between the silicone cuff of the BFM® connector
and the spigot.
Air line sensors immediately detect if this outward
pressure is released as the connector cuff begins
to get pushed inwards anywhere around the
connector when it is being removed, setting off an
alarm and/or shutting off any moving parts below.
The system has a tamper-proof gauge, and can
also be used as a positional sensor to ensure all
connectors in a large plant are installed correctly at
all times.
For more information, visit our website: www.mgnewell.com and www.newellautomation.com.
JBC-100 Batch Controller
Process control at your fingertips with the JBC-100 Batch Controller
The JBC-100 Batch Controller puts flow control directly into the hands of the line operator. The control unit regulates the quantity of flow to either your pump or valve while providing the user with instant feedback on quantities. Stainless steel controller enclosure meets UL-508A specifications.
- Simple, user-friendly entry of target flow quantity
- High resolution touch screen; color display
- Dual output control for your pump or valve
- Suitable for any liquid dairy or beverage product
- 7-day total summary of volumes
Power Requirements:
- Standalone Controller: 20.4-28.8 VDC, < 10% Ripple, 0.5A
- Controller with Enclosure & included 24VDC P.S.: 100-132 VAC, 2.1A
Flow Meter Pulse Voltage Requirements:
- Logic ‘1’: 17-28.8 VDC
- Logic ‘0’: 0-5 VDC
For pricing or additional details about the JBC-100 Batch Controller contact us at sales@mgnewell.com or call us at 336-393-0100.
For more information, visit our website: www.mgnewell.com and www.newellautomation.com.
Sanifan Technology
Stainless Motors Inc. has been manufacturing stainless severe wash-down duty sanitary electric motors and gear motors since 1990 for the pharmaceutical, biotech, and food processing industries. Throughout its many years of experience they have developed cutting edge technologies for improved longevity, as well as superior sanitary designs for severe wash-down environments. They are continuously refining their designs as new challenges arise with more stringent sanitary requirements for processing equipment.
What makes their Sanifan Technology special?
Now let’s consider what goes on inside a competitor’s motor. The motor stays warm and wet inside, and the windings may be protected from shorting due to the water, but what grows where it’s warm and wet? EVERYTHING! Every microbe, bacterium, and spore that enters the motor through the shaft seal or drain port will live in the best possible breeding ground, and protected from washdown cycles. Then, when moisture does exit the drain ports, it’s heavily laden with the worst possible contamination. The next thing you will hear in the plant is “We have no idea where that listeria, e-coli, or salmonella came from”. Further sanitation efforts in the plant will have no effect on what’s growing inside that motor, or hundreds of other motors in their plant.
The best protection against this means of contamination is a
totally sealed motor where no water gets in or out, and is designed with extreme sanitation in mind. Only Stainless Motors Inc. offers such a motor in their Sanifan Series, and Sanifan Plus Series.
The Sanifan Plus Series includes a spray head in the ODE (fan side) endbell to clean under the fan shroud, and can do so even when the motor is running.
For more information, check out Stainless Motors Mini-Catalog on our Literature and White Papers page.
For more information, visit our website: www.mgnewell.com and www.newellautomation.com.