WOODEX・MECO INDUSTRIES

Based in Georgetown, Maine, USA, Woodex MECO Industries is a leading manufacturer of seals and wooden bearings for major industries worldwide.
With over 40 years of experience in the design and manufacturing of custom shaft seals, the MECO team has tackled and overcome numerous complex sealing challenges across a wide range of manufacturing sectors.
All seals are custom-made to customer specifications at their Georgetown, Maine facility and undergo hand-inspected quality control before being shipped to clients around the world.
MECO products are high-performance, innovative, and ensure long service life in any operating environment.
Currently, MECO seals are trusted by industries such as food, plastics, chemicals, battery fillers, pulp and paper, and building materials around the world. They effectively resolve common issues found in mechanical seals, packing seals, and lip seals.

Representative MECO Seal Model

MECO AH Type-2: Easy Onsite Face Load Adjustment

The MECO AH Type-2 model is designed to fit within limited space for small- to large-diameter shafts.
This is a soft-face double mechanical seal that uses an elastomer drive to rotate a synthetic resin seal face (rotor) against a fixed stainless steel sealing face (stator).
The rotor is maintained in full contact with the two stainless steel stators by the elastomer and externally supplied purge gas.
The AH Type-2 features multiple adjustment gaskets that allow face pressure adjustments to be made in the field.

[Features]

• Fully split construction
• Face load applied via air pressure
• Elastomer construction

[Applications]

This seal model can be used on horizontal, inclined, or vertical shafts. It is suitable for applications with minimal thermal expansion or pressure variation. It can also be designed for certain explosive environments.

• Screw conveyors
• Blenders
• Bucket elevators
• Mixers

[Size]

The MECO AH Type-2 seal is custom-designed and manufactured to order.
Available shaft sizes range from ¾ inch (18 mm) to 18.5 inches (470 mm), with any intermediate size also available.

[Specifications]

*MECO EA Type-2: Adjustable Without Disassembly

The MECO EA Type-2 model is suitable for a wide range of sealing applications involving small to large diameter shafts at low to moderate speeds.
It features MECO’s full-contact, soft-face mechanical shaft seal technology.
The EA Type-2 seal model is designed as a superior alternative to traditional stuffing boxes and packing glands.
This seal includes separate inner and outer housings, each with either integral or replaceable stationary seal faces.
Between the stators is a rotating seal face assembly, composed of two replaceable rotors and a drive elastomer, along with an adjusting gasket that maintains the seal cavity's integrity.
By controlling the distance between the stators, the loading force on the seal faces is generated.
Over time, as the rotors wear, the gas pressure in the seal cavity may gradually decrease. However, by repositioning the outer stator toward the housing using the assembly bolts, the rotating seal face is reset and the internal pressure within the seal cavity is restored.

[Features]

• Fully split design
• Elastomer drive

[Applications]

This seal is suitable for vacuum service and steady-state applications with minimal thermal expansion or pressure variation. It allows for seal adjustment without emptying the process vessel.

• Blenders
• Dryers
• Sigma kneaders

[Size]

The MECO EA Type-2 seal model is custom-designed and built to order.
Available for shaft diameters ranging from 1 inch (25 mm) to 20 inches (500 mm), including all intermediate sizes.

[Specifications]

*MECO EP Type 3: Double Mechanical Seal with Mechanical Drive*

The MECO EP Type 3 model is the top-tier seal in the MECO product line, offering a highly versatile split seal ideal for vacuum horizontal dryers and reactors.

This double mechanical seal utilizes a mechanical drive to rotate a bearing-grade polymer sealing face against a fixed stainless steel sealing face.

It is a full-contact soft-face mechanical shaft seal, custom-designed to fit your equipment with little to no modification required.

[Features]

• Fully split construction
• High axial shaft movement capability
• Self-adjusting mechanism

[Applications]

The MECO EP Type 3 split seal model is most commonly used in demanding conditions across industries such as chemical, plastics, metals, pharmaceuticals, and other process industries.

Typical applications include dryers, sigma mixers, plow blenders, paddle blenders, reactors, extruder compounders, and similar rotating equipment.

This seal addresses challenges such as high temperatures, significant thermal expansion, varying pressure conditions, aggressive solvents, hazardous substances, and explosive environments.

It is also frequently used on reactor agitator shafts where the process media undergoes several phase changes—including liquids, vapors, and/or solids.

[Size]

The MECO EP Type 3 seal model is custom-designed and made-to-order.

[Specifications]

*MECO OFS Type 2: Full-Contact Soft-Face Mechanical Seal*

The MECO OFS Type 2 seal model is designed as a replacement for stuffing boxes, lip seal housings, and other traditional sealing options.

This product consists of a robust stainless steel housing and a fixed sealing face (stator) that is bolted perpendicularly to the machine.

The low-friction rotating seal face remains in full contact with the stator.

A drive collar equipped with large drive pins and internal springs is fixed to the shaft at a specified distance from the rotor.

The MECO OFS Type 2 model is ideal for a wide range of sealing applications in low- to mid-speed equipment operating at moderate temperatures.

It features full-contact soft-face mechanical shaft seal technology and is available in sizes suitable for most food processing equipment.

[Features]

• Fully split construction
• Easy to clean
• No compressed air required
• Self-adjusting

[Applications]

The MECO OFS Type 2 seal model is well-suited for use in rotating equipment such as blenders, mixers, cookers, and conveyors used in the food, pharmaceutical, chemical, plastics, metals, and other bulk process industries.

It can be used with horizontal, inclined, or top-entry shafts and is compatible with both split and non-split installations.

This seal is widely used in dry powder mixing applications such as sugar drink mixes, spices, flavorings, nutritional additives, plastic and metal powders, and chemicals.

It is also suitable for wet mixing of products like soups, sauces, and pet food.

The single-face seal is air-free by design, eliminating the cost and complexity associated with compressed air systems.

It performs exceptionally well under vacuum conditions.

With a simple structure, it allows for fast and easy cleaning — seals can be cleaned while mounted on the blender in just 10 minutes, or they can be disassembled along the shaft for thorough cleaning and inspection.

[Size]

The MECO OFS Type 2 seal is custom-designed and made-to-order, and dimensions vary depending on the application.

[Specifications]

＊MECO HB Seal: Designed for CEMA and Metric Equipment Sizes

The MECO HB seal model is a full-contact, air-purged, soft-face mechanical shaft seal primarily designed for screw conveyors.
Two replaceable stainless steel stationary seal faces are mounted in the seal housing. Through elastomeric drive, a polymer seal face of bearing-grade material rotates against the stationary stainless steel face.
Inside, a rotary seal face assembly consisting of a replaceable rotor and a drive elastomer is included. The elastomer and rotor work in tandem to form the seal.
The low-friction rotary seal face is oriented perpendicular to the shaft and makes full contact with the stationary seal face.

The cavity is filled with low-pressure air or gas, which functions as a barrier fluid and applies pneumatic loading to the seal face.
The HB seal maximizes sealing capability while minimizing barrier gas consumption by ensuring face flatness and parallelism.

HB seals are designed to fit equipment built to the standards of the Conveyor Equipment Manufacturers Association (CEMA) and their metric equivalents.

[Features]

• Air-purged
• Economical
• Fully split repair kit (with one-piece housing)

[Applications]

The MECO HB seal model is ideal for screw conveyors/scrolls, small blenders, bucket elevators, and other rotating equipment used in bulk processing industries.
The HB model is used in non-split installations for horizontal, inclined, and vertical shafts.

[Materials]

• Housing Material: Choose from FDA Nylon, anodized aluminum, or 316L stainless steel.
• Elastomers: Available in Viton®, FDA white silicone, or EPDM for broad compatibility.
• Stator: Standard material is 304 stainless steel.
• Rotor: Standard material is high-performance MECO 3000 (FDA-approved, non-abrasive, polymer-filled PTFE).
  
  • Rotor Material Options:
    
    • MECO 3120 (FDA-approved, mineral-filled PTFE) for maximum wear resistance
    • MECO 3400 (FDA and EU10/2011-compliant polymer-filled PTFE)
    • UHMW polyethylene for cost-effective, non-abrasive, or non-PTFE applications

[Sizes]

The MECO HB model seals are stocked in six standard inch sizes and ten metric sizes.
Please refer to the stocked HSG number table below for housing and corresponding maximum shaft sizes.

C.E.M.A. Standard Sizes (Inches)

Metric Standard Sizes (mm)

[Specifications]

* Values may vary depending on operating conditions and shaft diameter. Please contact us for further information.

＊MECO HC Seal: Air-Free Sealing Technology

The MECO HC seal model is a full-contact soft-face mechanical shaft seal. Using elastomeric drive, a bearing-grade polymer seal face is rotated against a stainless steel stationary face.
The HC seal features a metallic or FDA Nylon housing that will not collapse from overtightened flange bearings.
Two replaceable stainless steel stationary seal faces are installed in the housing. Internally, the rotary seal face assembly includes a replaceable rotor and a drive elastomer.
The elastomer and rotor work together to maintain airtight and watertight sealing. The low-friction rotary face is perpendicular to the shaft and in full contact with the stationary face.
Around the drive elastomer, a stainless steel hose clamp is used to apply sealing force to the seal face.

The HC seal is designed for equipment built to CEMA standards and metric equivalents.

[Features]

• Air-free
• Economical
• Adjustable without disassembly
• Resistant to shaft runout

[Applications]

The MECO HC seal model is designed for rotating equipment such as screw conveyors/scrolls, small blenders, bucket elevators, and similar machinery used in bulk processing industries.
The HC model is used in non-split installations for horizontal, inclined, and vertical shafts.

[Materials]

• Housing Material: FDA Nylon, anodized aluminum, or 316L stainless steel
• Elastomers: Viton®, FDA white silicone, or EPDM for broad compatibility
• Stator: Standard is 304 stainless steel
• Rotor: Standard is high-performance MECO 3000 (FDA-approved, non-abrasive, polymer-filled PTFE)
  
  • Rotor Material Options:
    
    • MECO 3120 (FDA-approved, mineral-filled PTFE) for high wear resistance
    • MECO 3400 (FDA and EU10/2011-compliant polymer-filled PTFE)
    • UHMW polyethylene for non-abrasive or non-PTFE applications

[Sizes]

The MECO HC model seals are stocked in six standard inch sizes and ten metric sizes.
Refer to the stocked HSG number table below for housing and corresponding maximum shaft sizes.

[Specifications]

*Values may vary depending on operating conditions and shaft diameter. Please contact us if you have any questions.

*Values may vary depending on operating conditions and shaft diameter. Please contact us if you have any questions.
Viton® is a registered trademark of E.I. Dupont de Nemours & Company.