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Dobson Gaskets is a leading UK manufacturer of gaskets and sealing products

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+44 (0) 1535 607257
 

Address

E Dobson and Co [Gaskets] Ltd
Unit 1
Holme Mill Ind Estate
Fell Lane
Keighley
West Yorkshire
BD22 6BN

Call Us Now

+44 (0) 1535 607257

Call Us Now

+44 (0) 1535 607257
 

Opening times

Mon - Thur 8.00 - 17.00
Fri 8.00 - 16.00
At Dobson Gaskets, we design and manufacture precision-engineered gaskets and seals perfectly suited to the alcohol production process.

In alcohol production, efficiency is not simply a cost metric; it is a core determinant of product quality, consistency, and operational reliability. From breweries and distilleries to cider makers and bottling plants, producers invest heavily in raw materials, process control, and energy management. Among the components that support these efforts, gaskets play a critical role, quietly ensuring that equipment performs reliably, hygienically, and with minimal loss throughout every stage of production.

Gaskets and seals underpin the performance of critical equipment, and their reliability directly influences yield, hygiene, and overall process stability. Understanding their role is essential for any operation seeking predictable, high-quality output. That is why Dobson Gaskets provide custom-designed and precision-engineered gaskets tailored to the specific equipment used in alcohol production, from standard fittings to bespoke or legacy components. Our engineering and material-selection expertise helps ensure that each seal performs exactly as intended, even under demanding process conditions.

Sealing as a Critical Process Component

Across alcohol production environments, equipment operates under demanding thermal, chemical, and mechanical conditions. Fermentation vessels, mash tuns, filtration lines, heat exchangers, and high-speed bottling systems all depend on well-specified seals to maintain airtight or pressurised environments. A correctly engineered gasket safeguards:

  • Leak prevention: keeping liquids, vapours, and gases contained
  • Pressure stability: supporting consistent fermentation, distillation, and carbonation conditions
  • Hygienic integrity: protecting the product from external contaminants and ensuring compliance with food-contact regulations

Even a brief loss of sealing integrity can disrupt production, lead to product loss, or compromise cleaning cycles. Selecting the correct gasket material, whether EPDM, silicone, PTFE, or speciality polymers, is essential to match the equipment’s thermal conditions, chemical exposure, and cleaning regime. When materials are not appropriately matched, issues such as premature wear, deformation, or failure can occur.

Metal-detectable materials are also increasingly important to both safety and cost control in alcohol production. Gaskets manufactured from Nitrile or Silicone with metal-detectable additives allow inspection equipment to identify and remove any fragments that enter the process, reducing the risk of contamination. This not only protects product quality but also helps avoid costly equipment repairs, recalls, or product disposal.

We support producers by manufacturing seals that meet precise dimensional, material, and regulatory requirements, ensuring reliable performance across the demanding conditions of alcohol production.

Common Gasket Materials in Alcoholic Beverage Processes

Gasket MaterialTemperature RangeChemical CompatibilityPerformanceTypical Applications in Alcohol Production
EPDM -50°C to 150°C Excellent with water, steam, diluted acids; poor with alcohol and hydrocarbons Good flexibility, resistant to ageing and weathering, moderate compression set Fermentation tanks, cold water or steam lines, CIP systems (non-alcoholic contact)
Silicone Rubber  -60°C to 230°C Resistant to water, steam, alcohols; limited chemical resistance to strong acids/alkalis High elasticity, excellent thermal stability, and low compression set Bottling machines, tank lids, transfer hoses, and sealing points with high-temperature exposure
PTFE -200°C to 260°C Excellent chemical resistance, including alcohol, acids, and caustics Very low friction, inert, non-stick, excellent dimensional stability Valves, fittings, pump seals, and high-purity alcohol transfer lines
Nitrile -40°C to 120°C Resistant to oils, fuels, and moderate alcohol resistance Good abrasion resistance, moderate chemical resistance Mechanical seals, O-rings in pumps, and non-sterile processing equipment
Flexible Graphite -200°C to 450°C Excellent chemical resistance; suitable for aggressive cleaning chemicals High-temperature resistance, durable under compression, conforms well to flanges Steam systems, heat exchangers, and high-pressure process lines
Cork-Rubber Composites -40°C to 120°C Moderate resistance to water, alcohols; limited chemical resistance Good compressibility, seals irregular surfaces, moderate durability Low-pressure tank gaskets, drain plugs, and manway covers in non-critical areas

 

How Sealing Performance Influences Efficiency

Suboptimal sealing affects far more than leakage. In distillation and thermal processes, escaping steam or heated product leads to measurable energy losses. In fermentation, leaks can alter pressure and oxygen exposure, affecting flavour development and alcohol yield. The operational impacts of inefficient sealing include:

  • Reduced ingredient utilisation during transfer or fermentation
  • Variability in product quality caused by unstable process conditions
  • Increased downtime when gaskets fail unexpectedly
  • Higher labour and cleaning demands following disassembly and replacement
  • Potential contamination risks during or after equipment maintenance

In large-scale or continuous operations, these small inefficiencies compound quickly. Stable pressure and temperature, made possible by robust, well-designed sealing, are foundational to predictable fermentation kinetics, consistent distillation fractions, and reliable filtration or bottling performance.

Our work with producers across brewing, distilling, and bottling has shown that well-specified, accurately fabricated gaskets can mitigate these issues significantly by providing stability and longevity under demanding conditions. 

Flexidram Gaskets: Optimised Sealing Solutions for Distilleries

Flexidram diagram

Flexidram gaskets are sealing solutions long trusted by leading alcohol manufacturers, designed specifically for the distillation of flammable spirit liquors such as whisky and brandy, where a clean, non-contaminating, fire-safe seal is essential. Developed by Flexitallic, they remain the only FDA-compliant, TA Luft-approved, fire-safe gasket capable of sealing effectively at the low bolt stresses typical of stainless steel flanges.

Their serrated Kammprofile core delivers a tighter, more stable seal with significantly reduced creep and relaxation compared to lower-grade PTFE or rubber/fibre options, while the graphite layer ensures fire safety and the food-grade PTFE inner ring protects against contamination and product tainting. As a leading supplier to breweries, distilleries, and cider makers, Dobson Gaskets provides Flexidram gaskets as part of our specialist range for high-performance alcohol production environments.

Small Components, Big Impact

Seals and gaskets may be simple in form, but they exert a powerful influence on efficiency, consistency, and product quality within alcohol production. Their material properties, design accuracy, and maintenance directly affect energy use, yield, and process reliability.

Producers who take a technical, informed approach to sealing, aligned with their equipment and operating environment, can minimise losses and maintain stable, high-performing processes across every batch. For breweries, distilleries, cider makers, and bottling plants, maintaining the integrity of these components is not simply good practice; it is fundamental to operational excellence.

Through our expertise in custom design, material selection, and precision fabrication, we support alcohol producers in ensuring that even the smallest components contribute meaningfully to performance, consistency, and long-term efficiency.

NEED SEALING FOR DISTILLERIES, BREWERIES & BOTTLING PLANTS?
Talk to Our Experienced Technical Team

Our gasket experts can design and fabricate sealing solutions for the alcohol beverage production sector to reduce losses and enhance process stability.