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Conceived to obtain an excellent level of sealing whatever the pressure level or temperature, the O rings are used in all the fields of industry, in static and dynamic application. It is the integration of a ring with circular section (torus) in a throat dimensioned according to the diameter of the joint which ensures the perfect sealing of the product.
O rings PTFE require a weak tightening torque and adapt to a large range of operating conditions:
- resistance to temperatures of - 200 to + 260 °C
- adaptation to all the aggressive chemical fluids, with cryogenics, the vacuum and the gas
- diameters available from 1 to 12 mm according to the standards
- various materials of composition: rubber, materials plastic or various metals.
Available out of PTFE, silicone, Viton®, EPDM, nitrile, fluorocarbon, chloroprene, perflouélastomère, the Group Eynard Robin also proposes a broad range of O rings metal or covered out of alloy nickel, stainless steel or hastelloy (EYTOR and EYCAP).
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Carpenter Powder Products (CPP) is one of the world’s largest suppliers of gas atomized powders. Micro-Melt® powder metal alloys offer a homogenous, fine and super clean microstructure. Benefits:
* Corrosion, wear, and temperature resistance
* Improved Heat treating, machining, or grinding of tool steels
* Waste minimization
* Increased product life
Our products include spherical gas atomized powders produced via air, vacuum, or pressurized melting with Argon or Nitrogen Atomization in fine, medium and coarse powder distributions. These include both loose and consolidated iron, cobalt, and nickel-based alloys, and stainless and tool steels. We also produce cast-wrought tool and die steels.
We welcome the opportunity to develop specialty products, custom solutions and other required support to help reduce the life-cycle cost of your products. For detailed product information, please visit the Product Literature page.
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CoorsTek offers a wide variety of long-life, heat-stable, and corrosion-resistant ceramic hard-face seals using high-grade aluminas, silicon carbide, tungsten carbide, carbon graphite, and specialty polymers.
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Timken offers an extensive line of sealing solutions. These seals are used in a full range of equipment for thousands of applications such as manufacturing, off-highway, power transmission and oil refineries. Our industrial seals are made from innovative materials and processes that enhance life and performance in many industrial applications. Timken industrial seals are backed by the company's experienced technical support and distribution networks, giving distributors a single source for a wide range of bearings and value-added extras to keep bearings running optimally.
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MICALIT F is suitable for applications where temperatures of up to 1000°C can be reached.
It is made from mica paper impregnated with a silicone binder. Mica is an aluminosilicate with lamellar, nonfibrous structure. Beside high temperature resistance, it also features a high chemical resistance to almost all media (exceptions are strong oxidizing chemicals).
MICALIT F is used mainly in hot dry gas applications such as:
* exhaust manifolds
* gas turbines
* heat exchangers
* industrial burners.
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Operational stresses such as thermal expansion, vibrations and engine torque make exhaust system connections very susceptible to leaks. ACS's knitted wire mesh flex-joint seals stop these leaks. Also applicable in static joints, they absorb dynamic movement in exhaust systems caused by simple operational functions like turning an engine on or braking hard. Exhaust components with rigid pipe connections are prone to leaks, increased noise and vibration and overall premature failure.
Because there are so many connections within an exhaust system, and depending on the engine and exhaust system orientations, the sealing joints must be able to withstand many potentially destructive elements such as thermal expansion, exposure to water, system movement and the corrosive elements in different types of exhaust.
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Trelleborg S may be specially designed for pressures, temperatures, chemicals, lengths, diameters and shapes: round, square, rectangular, conical etc., according to requirements.
DN 25 - DN 4000
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D-A-S Compact Seal®, DBM Compact Seal: hydraulics, light to medium duty
PHD / CST Seal: hydraulics, mobile hydraulic, construction machinery
Selemaster DSM: hydraulic cylinders, machine presses, mining, steel mills, water management
Turcon® AQ Seal®: hydraulics, medium operation, piston accumulator
Turcon® AQ Seal® 5: hydraulics, piston accumulator
Turcon® Double Delta®: hydraulics, light hydraulics, medium hydraulics
Turcon® Glyd Ring®: hydraulics, gen. machine operation, machine tools, mobile hydraulics
Turcon® Glyd Ring® T: hydraulics, gen. machine operation, machine tools, mobile hydraulics
Turcon® Skirted Piston: automotive industry, shock absorbers
Turcon® Stepseal® 2K: hydraulics, machine operation, machine tools, mobile hydraulics
Turcon® Variseal® M2: hydraulics, chemical industry, aggressive media
Turcon® VL Seal®: hydraulics, machine operation, machine tools, mobile hydraulics
VEEPAC: hydraulic cylinders, machine presses, mining, steel mills, water management
Zurcon® Glyd Ring® P: mobile hydraulics, construction machinery
Zurcon® U-Cup: fluid power, hydraulic cylinders, general maintenance
Zurcon® Wynseal: hydraulics, light hydraulics, medium duty
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CHEVRON®
Vee-ring packing with unique multiple lip design automatically responds to changes in system pressure; exceptionally reliable seal for rods, rams, pistons and plungers. Also available in Deep Vee Ring design for large diameter, deep stuffing box applications.
GARTHANE®
Tough urethane seal with excellent tear and abrasion resistance; withstands a wide range of temperatures, pressures and chemicals. Ideal for plungers, pistons, rams and rods.
Polytop Sets
Combining the strength and flexibility of CHEVRON® rings with the abrasion resistance of GARTHANE® U-Seal, the unique Polytop Set offers maximum sealing performance and reliability.
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Greene, Tweed's Labyrinth Seals, made from our Arlon® material, offer versatility in demanding applications. Unlike metallic labyrinth seals, seals constructed from Arlon will not gall or seize, allowing for running clearances to be set as low as 0.002" (0.0508 mm), thereby boosting compressor efficiency and performance. Labyrinth Seals made from Arlon have exceptional strength characteristics yet remain somewhat elastic. This combination makes Greene, Tweed's Labyrinth Seals tough enough to withstand substantial impact yet resilient enough to flex and absorb shock. Labyrinth Seals constructed from Arlon combine broad chemical compatibility, with excellent moisture/hydrolysis resistance and a low coefficient of thermal expansion.
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Radial Oil Seal
Radial lip seal design for shafts and spindles. Consisting of a rubber sleeve, metal stiffening ring and a spiral tensioning spring. Oil seals provide long lasting sealing efficiency. Available with or without external dust lip, they are self retained in an open groove to ISO 6194 and DIN 3760. Versions available without tensioning spring which can be used as a scraper and for helical movements.
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Greene, Tweed's Enerlip® Seal combines low breakaway friction, reduced leakage and easy installation with a mating PTFE-type heel bearing. The Enerlip HP has an additional anti-extrusion ring. At low pressure, the Enerlip functions as a partially capped, single-acting elastomer lip seal. At high pressure, the Enerlip acts as a pressure-activated PTFE seal, with optimum sealing action at pressures from 0 to 5000 psi (0 to 350 bar).
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General Information
HTMS Metal- C-Ring seals are made from high temperature alloy strip. The strip is cut to the required length and tig welded. The C-shape is then formed in a tool or is roll formed for bigger sizes. HTMS Metal C Rings are a logical development over our popular Metal O Ring. Metal C Rings have a better spring back then same size Metal O Rings. The seating load or the required bolting force is lower than for similar sized Metal O Rings. HTMS Metal C Rings will compensate greater flange rotation and maintain positive sealing load, better than Metal O Rings.
For sealing thin gas or low viscosity fluids, HTMS recommend to soft plate the bare metal seal with such materials as silver, gold or tin. Also PTFE as a coating is available.
For extreme low leakage requirements at elevated temperatures HTMS also produces spring energized metal C Rings. This “CS” design is basically a metal C Ring with an inserted high tensile spring.
Metal C Ring availability
- From 6 mm to +3000 mm diameter
- Cross section from 0, 89 mm to 12, 7 mm
- In house plating, Silver, Gold, Tin and others
- Spring energized versions for extreme tightness
- Available in shaped forms
- For internal or external pressure
Metal C Rings capability
- Temperatures from cryogenic (- 270°C) up to high temperatures (+ 900°C)
- Ultra hard vacuum and pressures op to +300Mpa
- High pressure capability
- Lowest leak rate
- Radiation resistant
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General Information
HTMS Metal- O-Ring seals are made from high precision metal tube. Contrary to flat gaskets, HTMS Metal-O- Rings require extreme low bolting load. Because they feature a certain resiliency or spring back, HTMS Metal O Rings will compensate minor flange rotation and maintain positive sealing load to the sealing surface.
For sealing thin gas or low viscosity fluids, HTMS recommend to soft plate the bare metal seal with such materials as silver, gold or tin. Also PTFE as a coating is available.
HTMS Metal O Rings are made for internal or external pressure. For high pressure application HTMS advises vented or system pressure assisted Metal O Rings.
For extreme low leakage requirements at elevated temperatures HTMS also produces spring energized metal O Rings. This “OS” design is basically a metal O Ring with an inserted high tensile spring.
Metal O Ring availability
- From 6 mm to +3000 mm diameter
- Cross section from 0, 89 mm to 12, 7 mm
- In house plating, Silver, Gold, Tin and others
- Spring energized versions for extreme tightness
- Available in shaped forms
- For internal or external pressure
Metal O-Rings capability
- Temperatures from cryogenic (- 270°C) up to high temperatures (+ 900°C)
- Ultra hard vacuum and pressures op to +300Mpa
- Handles hydrogen gas up to non- Newtonian fluids
- Moderate pressure capability
- Lowest leak rate
- Radiation resistant
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The metallic ring joint gaskets are manufactured according to the API 6A and ASME B16.20 standards for application at elevated temperatures and pressures. The small sealing area with high contact pressure results in great reliability. The contact surfaces of the gaskets and flange should be carefully processed. Some types of ring-joints are pressure activated, that is, the greater the pressure the better the sealability.
Advantages
* The metal ring joint gaskets have been designed to withstand exceptionally high assembly loads over a small area, thus producing high seating stresses.
Shape and construction
The DONIT TESNIT® ring joint gaskets are produced in several shapes and sizes to meet the most demanding applications.
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MILL-RIGHT® N, ES and V Oil Seals
Benefits
* Breakthrough anti-abrasion and anti-wear properties for extended service life
* Improved chemical resistance through the entire range of elastomers
* Available in all elastomeric KLOZURE® Oil Seal designs
Industries Served
* Mining
* Primary Metals
* Pulp & Paper
* Original Equipment Manufacturers
* Chemical Processing
* Food & Pharmaceutical
* Hydrocarbon Processing
* General Industry
* Aggregate
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Slectionnez une ligne du tableau ci-dessous :
L (mm) A (mm) P (230 V) (W)
1 300 45 255
2 350 45 305
3 400 45 355
4 450 45 405
5 500 45 455
6 550 45 505
7 600 45 555
8 700 45 655
9 800 45 755
10 900 45 855
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O-rings
Our application oriented ranges cover all the dimensions required for Europe and the USA and are fully certified. We can also offer solutions for chemically and thermally challenging applications.
O-rings High Performance
O-rings HITEC®
O-rings NORMATEC®
O-rings special
X-rings
Back-up-rings
Accessories
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FEP O-Ring
Encapsulated O-Ring is produced from silicon or fluorocarbon with a seamless FEP jacket. These seals can solve sealing problems due to their chemical resistance coupled with elastic properties and low friction. Available to ISO 3601, AS 568 B, BS 1806 and BS 4518 and other standards including hollow and square sections. Available in both inch and metric sizes.
Isolast® Perfluoroelastomer O-Ring
Isolast® is a perfluoroelastomer that combines the elastic properties of fluorocarbon (FKM) with the outstanding chemical resistance and the high temperature stability of PTFE. Isolast® seals can be used for applications in high temperature service up to appr. +325°C. Isolast® O-Rings are available in metric and inch dimensions to ISO 3601, AS 568 B, BS 1806 and BS 4518, cords, foils, molded slabs and custom molded parts.
O-Ring
Double acting seal for static and dynamic applications. Available in various materials e.g. nitrile (NBR), fluorocarbon (FKM), ethylene propylene (EPDM), chloroprene, silicon, fluorosilicone, etc. Polyurethane is available in hardness 70 to 93 Shore A for high wear and extrusion resistance with low friction. Available to ISO 3601, AS 568 B, BS 1806, BS 4518 and other recognised standards.
PTFE O-Ring
For axial static face or flange type applications. Resistant to practically all chemicals and to high temperatures. Available in any desired size.
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O-Rings
To national and international standards: AS 568A, ISO 3601, DIN 3771, JIS and metric. Custom sizes of almost any dimension
Miniature O-rings and large special O-rings continuously molded from spliced cord
Perfluorinated (FFKM) O-rings. Broadest chemical resistance, highest purity and temperature resistance of any elastomeric family - up to 320°C/608°F
Compounds
O-rings can be molded in a wide range of compounds in hardnesses
from 30 to 95 Shore A. These materials include:
Acrylonitrile-Butadiene (NBR)
Butyl (IIR)
Chloroprene (CR)
Ethylene Acrylic (AEM)
Ethylene Propylene (EPDM)
Fluorocarbon (FKM)
Fluorosilicone (FVMQ)
Hydrogenated Nitrile (HNBR)
Perfluoroelastomer (FFKM)
Polyacrylate (ACM)
Polytetrafluoroethylene (PTFE)
Silicone (VMQ)
Parker O-ring compounds are formulated to meet the most stringent
industry standards, including NSF, Underwriters Laboratories (UL),
Military (MIL-SPEC), Aerospace (AMS), NASA, FDA, USDA, USP, and many customer-specific requirements.
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Greene, Tweed has a wide selection of standard O-rings available, as well as the capability to make custom designs. O-rings constructed from Greene, Tweed's high-performance elastomers are built to handle extreme conditions in diverse markets, from Aerospace, Fluid Handling, Industrial, Medical, and Oilfield--where rigid regulation and testing requirements must be met--to Semiconductor--where cleanliness is critical to process integrity.
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D-A-S Compact Seal®, DBM Compact Seal: hydraulics, light to medium duty
PHD / CST Seal: hydraulics, mobile hydraulic, construction machinery
Selemaster DSM: hydraulic cylinders, machine presses, mining, steel mills, water management
Turcon® AQ Seal®: hydraulics, medium operation, piston accumulator
Turcon® AQ Seal® 5: hydraulics, piston accumulator
Turcon® Double Delta®: hydraulics, light hydraulics, medium hydraulics
Turcon® Glyd Ring®: hydraulics, gen. machine operation, machine tools, mobile hydraulics
Turcon® Glyd Ring® T: hydraulics, gen. machine operation, machine tools, mobile hydraulics
Turcon® Skirted Piston: automotive industry, shock absorbers
Turcon® Stepseal® 2K: hydraulics, machine operation, machine tools, mobile hydraulics
Turcon® Variseal® M2: hydraulics, chemical industry, aggressive media
Turcon® VL Seal®: hydraulics, machine operation, machine tools, mobile hydraulics
VEEPAC: hydraulic cylinders, machine presses, mining, steel mills, water management
Zurcon® Glyd Ring® P: mobile hydraulics, construction machinery
Zurcon® U-Cup: fluid power, hydraulic cylinders, general maintenance
Zurcon® Wynseal: hydraulics, light hydraulics, medium duty
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Bal Seal offers numerous designs and materials uniquely suitable for a wider range of reciprocating applications.
Canted-coil spring energized seals provide high performance and long seal life.
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Complete Pneumatic Piston
A complete double acting piston supplied to CETOP sizes. Comprised of a molded nitrile (NBR) piston head with vulcanized metal support ring. Fields of application include oily and non processed compressed air and dry oil free air.
Non-standard Pneumatic Seal
Standard seals are frequently not appropriate for non-reciprocating and high volume applications. As your development partner, we can work with you to design, develop and supply precision elements and sealing systems in accordance with your requirements.
Pneumatic Glyd Ring® for Piston and Rod
Double acting Glyd Ring® available as piston or rod seal comprising a slipper seal and an energizing O-Ring combined with less installation space required. Different possible material combinations (Turcon® PTFE / Zurcon® polyethylene with NBR or FKM O-Ring) provide suitable solutions for special pneumatic applications where great importance is attached to minimum static and dynamic friction, low stick-slip effects, high speed performance or wide temperature range.
Pneumatic Piston Seal
The pneumatic product range offers single and double acting seals for piston applications. Made from extremely wear resistant material (standard polyurethane, Zurcon® polyurethane, FKM), these seals fit into small housings and are easily installed. The pneumatic piston seals range is recommended for standard and pneumatic cylinders with dry air.
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