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Machine, Tools & Components
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Suppliers Directory
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FOURESS ENGINEERING (I) LTD
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MAHALAXMI CHAMBERS 22 BHULABHAI DESAI ROAD, |
| Telephone : |
91-22-24964400 |
| Fax : |
91-22-24937544 |
| Send : |
On-Line Trade Inquiry |
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Products |
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BUTTERFLY VALVES - BUTTERFLY VALES, ARE HIGHLY DURABLE, THESE VALES ARE PROVIDED WITH A TEFLON SEAT RING, THE DOUBLE ECCENTRIC DISC DESIGNS, ENERGISED SEALING SYSTEMS MULTI SEAL CHOICE TO COVER WIDE TEMPERATURE RANGES HIGH PRESSURE APPLICATION AND EASY REPLACEMENT OF S SEAT RING WITHOUT REMOVING THE STEM THE VALVES FIND APPLICATIONS IN HIGH TEMPERATURE FLUIDS DEMENERRALISED WATER AIR-CANDITIONING CHILLED/HOT WATER SEA WATER WHITE LIQUOR FORMALDEHYDE AND CORROSIVE CHEMICAL SOLUTIONS ORGANIC SOLVENTS COMPRESSED AIR O XYGEN EXHAUST RASES ETC
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TRIPLE ECCENTRIC BUTTERFLY VALVE - FOURESSINTRODUCES TRIPLE ECCENTRIC BUTTERFLY VALVE, WHICH IS A HIGH QUALITY HIGH INTEGRITY BUTTERFLY VALVE THAT IS PARTICULARLY SUITABLE FOR A VARIETY OF ARDUOUS APPLICATIONS. BASICALLY, SUCH VALVES CAN BE CLASSIFIED INTO THREE CATEGORIES: I) FIRE SAFE TO API 607, II) HIGH TEMPERATURE, AND III) OTHER CRITICAL APPLICATIONS. FIRE-SAFE VALVES ARE NORMALLY INSTALLED IN PIPELINES CARRYING HYDROCARBONS AND OTHER FLAMMABLE LIQUIDS OR GASES. THE LINE FLUID IS GENERALLY AT TEMPERATURES AROUND AMBIENT, AND THE FUNCTION OF THE VALVE IS TO PREVENT LEAKAGE OF THE LINE FLUID EITHER PAST THE VALVE SEAL OR TO THE ATMOSPHERE, WHERE THE LEAKAGE COULD FUEL A FIRE EXTERNAL TO THE VALVE. ONE OF THE MAJOR DIFFERENCES BETWEEN THE FOURESS DESIGN AND THE OTHER TYPES OF FIRE-SAFE VALVES IS THE VALVE REMAINS INTACT EVEN AFTER BEING EXPOSED TO FIRE. IT DOES NOT RELY ON COMPONENTS MELTING AND DISINTEGRATING ALLOWING SECONDARY SEALS TO COME INTO USE. HIGH TEMPERATURE BUTTERFLY VALVES ARE DESIGNED TO SUIT SPECIFIC APPLICATIONS AND PARTICULAR ATTENTION IS GIVEN TO THE SELECTION OF THE CORRECT MATERIALS FOR THE DUTY INVOLVED. THE TERM HIGH TEMPERATURE IN CONTEXT OF BUTTERFLY VALVES COVERS THE RANGE OF TEMPERATURES ABOVE, WHICH TRADITIONAL RESILIENT SEALED VALVES OPERATE (MAXIMUM RECOMMENDED OPERATING TEMPERATURES ARE APPROX.110(C FOR NITRILE RUBBER, AND 200(C FOR VITON). THE THIRD CATEGORY OF BUTTERFLY VALVES IS FOR CRITICAL APPLICATIONS, WHERE FOR SOME SPECIFIC REASONS THE USE OF RESILIENT VALVES SEALS IS PRECLUDED. TYPICAL USES WOULD BE PIPELINES CARRYING SOLVENTS OR OTHER CHEMICALS, AND LIQUIDS OR GASES CONTAINING CORROSIVE PARTICLES. THIS PRODUCT IS BREAKTHROUGH IN BUTTERFLY VALVE DESIGN, WHICH IS NOT ONLY CERTIFIED AS FIRE-SAFE BUT CAN ALSO BE USED CONTINUOUSLY AT ELEVATED TEMPERATURES UP TO 700( C.
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