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Product specifications

Industrial Sealing Systems, Gaskets and Expansion Joints

Precision-engineered sealing products manufactured for petrochemical, refining, energy, marine and industrial process applications. The range includes spiral wound, double-jacketed, soft and solid-metal gaskets, automotive and engine sealing components, metallic and marine expansion joints, as well as custom-manufactured flanges.

Products are manufactured according to customer drawings, equipment specifications, operating parameters and applicable technical standards. Material selection and construction are determined according to pressure, temperature, process medium, flange configuration, corrosion conditions and required service life.

MICROPLASMA has supplied sealing products and components to major industrial operators, including OMV Petrom, KazMunayGas and Rompetrol.

Product range

Industrial gaskets, sealing components, expansion joints and flanges

Gasket types

Spiral wound, double-jacketed, soft and metallic

Expansion-joint types

Industrial and marine configurations

Manufacturing basis

Standard dimensions, customer drawings, samples or project specifications

Customization

Dimensions, materials, construction, pressure, temperature and operating medium

Materials

Metallic, graphite, PTFE, fibre-based and elastomeric options

Documentation

Drawings, certificates, inspection records and project-specific quality documents

Warranty

12 months, subject to the applicable contractual terms and correct installation and operation

01

Overview

MICROPLASMA manufactures industrial sealing components intended to maintain the integrity of pipelines, pressure equipment, heat exchangers, valves, pumps, engines and process installations operating under demanding mechanical, thermal and chemical conditions. Each sealing solution is selected or engineered according to the specific application. Relevant parameters include:
  • operating and design pressure
  • minimum and maximum operating temperature
  • process medium and chemical compatibility
  • flange type, facing and surface condition
  • bolt load and available seating stress
  • thermal cycling and pressure fluctuations
  • vibration and mechanical movement
  • corrosion and oxidation exposure
  • required leakage performance
  • maintenance and replacement intervals

Products may be manufactured in standard dimensions or customized according to drawings, samples, technical specifications and equipment interfaces.

Gallery

Industrial Sealing Systems, Gaskets and Expansion Joints in detail

Industrial Sealing Systems, Gaskets and Expansion Joints — photo 1
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Industrial Sealing Systems, Gaskets and Expansion Joints — photo 8
Industrial Sealing Systems, Gaskets and Expansion Joints — photo 9
Industrial Sealing Systems, Gaskets and Expansion Joints — photo 10
02

Product Range

Spiral Wound Gaskets

Spiral wound gaskets designed for flanged joints operating under elevated pressure, temperature variation and cyclic service conditions. The construction typically combines alternating layers of formed metallic winding and soft filler material, providing mechanical resilience and controlled sealing performance.

Available configurations may include:

  • inner ring
  • outer centring ring
  • inner and outer rings
  • standard or custom dimensions
  • circular or project-specific geometries
  • raised-face and other compatible flange arrangements
  • metallic windings selected according to corrosion and temperature requirements
  • filler materials selected according to process-medium compatibility

Typical applications include:

  • pipelines
  • pressure vessels
  • heat exchangers
  • refinery equipment
  • petrochemical installations
  • steam and utility systems
  • valves and pumps

Final material combinations and dimensions are established according to the operating conditions and approved technical specification.

Double-Jacketed Gaskets

Metal-jacketed gaskets manufactured with a soft compressible filler enclosed within a metallic jacket. They are suitable for applications requiring dimensional stability, resistance to elevated temperatures and compatibility with narrow or irregular sealing surfaces.

Available options may include:

  • double-jacketed construction
  • single-jacketed construction, where required
  • corrugated or smooth metallic jackets
  • circular, oval, rectangular or custom profiles
  • partition bars for heat-exchanger applications
  • customized widths and thicknesses
  • metallic materials selected according to process conditions
  • filler materials selected according to pressure, temperature and chemical exposure

Typical applications include:

  • heat exchangers
  • boilers
  • pressure vessels
  • manways and inspection covers
  • process equipment
  • large-diameter flanged joints

Soft Gaskets

Non-metallic or semi-metallic flat gaskets designed for applications where compressibility, conformity and chemical resistance are required.

Available materials may include, subject to project requirements:

  • compressed fibre materials
  • graphite-based materials
  • PTFE-based materials
  • elastomeric materials
  • aramid-fibre composites
  • rubber compounds
  • customer-specified approved sheet materials

Soft gaskets can be manufactured in:

  • standard flange dimensions
  • full-face configurations
  • inner-bolt-circle configurations
  • rings
  • rectangular or irregular profiles
  • segmented or large-diameter formats
  • custom geometries based on drawings or samples

Material selection is determined according to the operating medium, pressure, temperature, flange condition and required compression characteristics.

Metallic Gaskets

Solid-metal and machined metallic gaskets intended for high-pressure, high-temperature or chemically demanding applications.

Configurations may include:

  • solid flat-metal gaskets
  • serrated metallic gaskets
  • grooved profiles
  • lens-type or project-specific profiles
  • metal-ring sealing elements
  • custom-machined sealing components
  • circular and non-standard geometries

Potential materials include carbon steel, stainless steel, copper, aluminium, nickel-based alloys and other project-approved metallic grades.

The final geometry, surface finish, hardness and dimensional tolerances are defined according to the mating surfaces and operational requirements.

Automotive and Engine Gaskets

Precision-cut and formed sealing components for automotive, industrial-engine and mechanical-equipment applications.

The range may include:

  • cylinder-head gaskets
  • exhaust-system gaskets
  • intake and manifold gaskets
  • compressor gaskets
  • pump and gearbox gaskets
  • engine-cover and housing gaskets
  • custom replacement gaskets
  • multi-layer metallic sealing components
  • associated manufacturing or reconditioning equipment

Components can be reverse-engineered from approved samples or manufactured according to customer drawings and dimensional specifications.

Material construction, coating and layer configuration are selected according to temperature, pressure, fluid compatibility and clamping conditions.

Industrial Expansion Joints

Expansion joints designed to accommodate movement, vibration and dimensional variation within piping systems, process equipment and industrial installations.

Depending on the application, designs may accommodate:

  • axial movement
  • lateral movement
  • angular movement
  • combined movement
  • vibration isolation
  • thermal expansion and contraction
  • installation misalignment within approved limits

Available configurations may include:

  • metallic bellows expansion joints
  • single or multiple bellows
  • flanged or welded-end connections
  • tie rods and control rods
  • internal sleeves
  • external covers
  • reinforcement rings
  • customized end fittings
  • project-specific support and restraint systems

Design parameters include:

  • design pressure
  • operating and design temperature
  • required movement
  • expected number of operating cycles
  • process medium
  • corrosion allowance
  • installation length
  • piping loads
  • fatigue and vibration conditions

Naval Expansion Joints

Marine-grade expansion joints developed for shipboard piping, machinery systems, exhaust arrangements and auxiliary installations.

They may be designed for use in:

  • engine rooms
  • exhaust systems
  • cooling-water circuits
  • ballast and bilge systems
  • fuel and lubrication systems
  • pump and machinery connections
  • ventilation and auxiliary piping
  • vibration-sensitive installations

Available constructions may include metallic bellows, elastomeric elements or project-specific assemblies, depending on the operating medium and required movement.

Marine expansion joints can be customized according to available installation space, flange pattern, vessel piping arrangement, movement requirements and environmental exposure.

Flanges

Standard or custom-manufactured flanges for piping, pressure-equipment, marine and industrial applications.

Available configurations may include:

  • plate flanges
  • slip-on flanges
  • blind flanges
  • threaded flanges
  • welding-neck flanges
  • lap-joint configurations
  • reducing flanges
  • custom-machined flanges
  • non-standard drilling patterns
  • equipment-interface flanges

Flanges may be supplied:

  • machined to drawing
  • drilled according to the required bolt pattern
  • with raised, flat or project-specific faces
  • with customized bore dimensions
  • with specified surface finish
  • as individual components or integrated into fabricated assemblies

Material grades, pressure class, dimensions, drilling, facing and tolerances are established according to the approved project documentation and applicable technical requirements.

03

Design and Manufacturing Parameters

Sealing products and related components can be customized according to:
  • nominal diameter and overall dimensions
  • internal and external diameter
  • gasket width and thickness
  • flange type and facing
  • bolt-circle geometry
  • pressure and temperature rating
  • chemical and corrosion resistance
  • metallic and non-metallic material combinations
  • filler and coating materials
  • required compression and recovery properties
  • movement capacity for expansion joints
  • fatigue-cycle requirements
  • connection type
  • surface finish
  • dimensional tolerances
  • identification and traceability requirements

Final product selection should be based on the complete operating data and the approved equipment or piping specification.

04

Materials

Depending on the application, available materials may include:

Metallic materials

  • carbon steel
  • stainless steel
  • copper
  • aluminium
  • nickel-based alloys
  • customer-specified metallic grades

Filler and sealing materials

  • flexible graphite
  • PTFE
  • compressed fibre materials
  • elastomers
  • aramid-based composites
  • other approved materials compatible with the process medium

Material availability and suitability are subject to the required operating conditions and technical approval.

05

Applications

Products are suitable for applications including:
  • refineries
  • petrochemical plants
  • oil and gas processing installations
  • chemical-processing facilities
  • power-generation plants
  • steam and thermal systems
  • industrial pipelines
  • pressure vessels
  • heat exchangers
  • pumps and valves
  • marine and naval piping systems
  • engines and mechanical equipment
  • maintenance, repair and overhaul operations
06

Inspection and Quality Control

Depending on the product and contractual scope, quality-control activities may include:
  • incoming-material verification
  • dimensional inspection
  • visual inspection
  • material and batch traceability
  • verification of gasket geometry and thickness
  • flange-surface and dimensional checks
  • weld inspection for fabricated assemblies
  • pressure or leakage testing, where applicable
  • verification against approved drawings
  • final documentation review

Inspection and testing requirements are agreed according to the product type, application and project specification.

07

Technical Documentation

The documentation package may include:
  • product drawings
  • dimensional sheets
  • material specifications
  • material certificates, where required
  • certificates of conformity
  • dimensional inspection reports
  • manufacturing and quality records
  • identification and traceability documentation
  • testing reports, where applicable
  • installation and handling instructions
  • project-specific documentation

Documentation is supplied in accordance with the agreed contractual scope.

08

Quality and Compliance

Products are manufactured under controlled production and inspection procedures. Compliance is determined by the approved design, specified materials, operating parameters and applicable project requirements.

The suitability of any gasket or expansion joint depends on the complete operating conditions. Pressure, temperature, process medium, flange configuration, installation method and mechanical loads must therefore be confirmed before final product selection.

09

Technical Information

Product range
Industrial gaskets, sealing components, expansion joints and flanges
Gasket types
Spiral wound, double-jacketed, soft and metallic
Expansion-joint types
Industrial and marine configurations
Manufacturing basis
Standard dimensions, customer drawings, samples or project specifications
Customization
Dimensions, materials, construction, pressure, temperature and operating medium
Materials
Metallic, graphite, PTFE, fibre-based and elastomeric options
Documentation
Drawings, certificates, inspection records and project-specific quality documents
Warranty
12 months, subject to the applicable contractual terms and correct installation and operation

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E-mail

sales@microplasma.ro

Phone number

+4 0723 500 747