https://www.lineproofengineering.co.in Latest Products Tue, 03 Mar 2026 23:21:25 +0530 en-us https://www.lineproofengineering.co.in https://www.lineproofengineering.co.in/standard-mechanical-seals.htm https://www.lineproofengineering.co.in/standard-mechanical-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/standard-cartridge-seals.htm https://www.lineproofengineering.co.in/standard-cartridge-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/standard-bellow-seals.htm https://www.lineproofengineering.co.in/standard-bellow-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/standard-vessel-seals.htm https://www.lineproofengineering.co.in/standard-vessel-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/industrial-pump-spares.htm https://www.lineproofengineering.co.in/industrial-pump-spares.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/single-spring-seals.htm https://www.lineproofengineering.co.in/single-spring-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 SINGLE SPRING SEALS Single Spring Seals are single helical coil spring, bi-directional seal developed for usage where media is dirty and clogging type. Internally mounted seal, therefore suitable for wide-spread applications. Torque is transmitted by drive lugs from drive collar to spring holder and seal rings. All components are held together by snap ring which helps in easier installation and removal.   Industrial Application: Process Industries, Oil Refinery, Pharmaceutical, Solvents, Paper & Pulp Industries etc.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic, Special Cast.   Metal Component: S.S 304, S.S 316, Alloy 20, Hastelloy C.   Secondary Seal: Viton, TTV, FKM, NBR, EPR, PTFE.   Operating Limits: Pressure: 12 bar Temperature : -20˚C to 140˚C Speed : 10 m/s https://www.lineproofengineering.co.in/conical-spring-seals.htm https://www.lineproofengineering.co.in/conical-spring-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 CONICAL SPRING SEALS Conical Spring Seals are extremely rugged & reliable, therefore it is used in a wide range of sealing applications. It can be easily assembled or dismantled. The seal arrangement does not require any modification, in case of conversion from gland packing to mechanical seal. The compact design eliminates the requirement of extra radial & axial space for its installation.   Industrial Application: Process Industries, Oil Refinery, Pharmaceutical, Solvents, Paper & Pulp Industries etc.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic, Special Cast.   Metal Component: S.S 304, S.S 316, Alloy 20, Hastelloy C.   Secondary Seal: Viton, TTV, FKM, NBR, EPR, PTFE.   Operating Limits:   Pressure: 10 bar Temperature : -20˚C to 140˚C Speed : 15 m/s https://www.lineproofengineering.co.in/multi-spring-seals.htm https://www.lineproofengineering.co.in/multi-spring-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 MULTI SPRING SEAL Multi Spring Seals can be used in various industries for different applications. As per the requirement of the products it can be used as single, back to back, face to face or tandem arrangement. Multiple spring usage puts uniform force over the faces hence increasing seal life. Most of the components are interchangeable, hence it proves economical and easy to maintain. All components are held together by snap ring which helps in easier installation and removal.   Industrial Application: Process Industries, Oil Refinery, Pharmaceutical, Distilleries, Paper & Pulp Industries etc.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic, Special Cast.   Metal Component: S.S 304, S.S 316, Alloy 20, Hastelloy C.   Secondary Seal: Viton, TTV, FKM, NBR, EPR, PTFE.   Operating Limits: Pressure : 16 bar Temperature : -50˚C to 220˚C Speed : 20 m/s https://www.lineproofengineering.co.in/wave-spring-seals.htm https://www.lineproofengineering.co.in/wave-spring-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 WAVE SPRING SEALS Wave Spring Seals are designed for bi-directional use and work with highly viscous, abrasive media, water, oils, fuels, light aggressive chemical substances and liquids containing solid particles. Most of the components are interchangeable, hence it proves economical and easy to maintain. All components are held together by snap ring which helps in easier installation and removal.   Industrial Application: Sugar, Waste Water, Oil Refinery, Paper & Pulp Industries etc.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic, Special Cast.   Metal Component: S.S 304, S.S 316.   Secondary Seal: Viton, PTFE, EPDM, NBR, FKM.   Operating Limits: Pressure : 16 bar Temperature : -50˚C to 250˚C Speed : 20 m/s  https://www.lineproofengineering.co.in/alfa-type-seals.htm https://www.lineproofengineering.co.in/alfa-type-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 WAVE SPRING SEALS Wave Spring Seals are designed for bi-directional use and work with highly viscous, abrasive media, water, oils, fuels, light aggressive chemical substances and liquids containing solid particles. Most of the components are interchangeable, hence it proves economical and easy to maintain. All components are held together by snap ring which helps in easier installation and removal.   Industrial Application: Sugar, Waste Water, Oil Refinery, Paper & Pulp Industries etc.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic, Special Cast.   Metal Component: S.S 304, S.S 316.   Secondary Seal: Viton, PTFE, EPDM, NBR, FKM. Operating Limits:Alfa Type Seal Lineproof Engineering is instrumental in offering superior quality Alpha Type Mechanical Seals. These Alpha Type Mechanical Seals have sophisticated design which can be used in high slurries application.   Industrial Application: Hygienic Dairy, Pharmaceutical & Food Beverages.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, CFT.   Metal Component: S.S 304, S.S 316.   Secondary Seal: Viton, PTFE. https://www.lineproofengineering.co.in/sparkler-filter-seals.htm https://www.lineproofengineering.co.in/sparkler-filter-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 SPARKLER FILTER SEALS Sparkler Filter Seal is used for the sealing of a wide variety of sparkler filter pumps. This mechanical seal is highly demanded for their supreme performance, top notch quality, and extended durability. Seal design is sturdy. It is available in different sizes, and specifications for our patrons. Specially designed for industrial filter press machines.   Industrial Application: Hygienic Dairy, Pharmaceutical & Food Beverages.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide.   Metal Component: S.S 304, S.S 316.   Secondary Seal: Viton, PTFE, FEP, NBR, EPDM. https://www.lineproofengineering.co.in/grundfos-cartridge-seals.htm https://www.lineproofengineering.co.in/grundfos-cartridge-seals.htm Wed, 23 Aug 2023 00:00:00 +0530 Grundfos Cartridge Seal Lineproof Engineering is instrumental in offering superior quality Grundfos Pump Cartridge Seals. These Grundfos Seals have sophisticated design which can be used in high slurries application.   Industrial Application: Water, Chemical, Pharmaceutical, Boiler Feed.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide.   Metal Component: S.S 304, S.S 316. Secondary Seal: Viton, NBR, EPDM, FKM, FFKM, HNBR. https://www.lineproofengineering.co.in/single-cartridge-seals.htm https://www.lineproofengineering.co.in/single-cartridge-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 SINGLE CARTRIDGE SEAL Single Cartridge seal are special purpose multi spring Balanced Mechanical Seal designed for abrasive and corrosive media. Independent of direction of rotation. Easy installation because of Cartridge construction. Rugged design improves operating life.   Industrial Application: Pulp & Paper Industries, Petrochemical, Refinery.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic.   Metal Component: S.S 316, S.S 316L, Alloy 20, Hastelloy C.   Secondary Seal: Viton, PTFE, GFT, FKM, EPDM.   Operating Limits: Pressure : Full vacuum to 40 bar Temperature : -40˚C to 220˚C Speed : Subject to specification. https://www.lineproofengineering.co.in/double-cartridge-seals.htm https://www.lineproofengineering.co.in/double-cartridge-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 DOUBLE CARTRIDGE SEAL Double Cartridge seal are special purpose multi spring Balanced Mechanical Seal designed for abrasive and corrosive media. Independent of direction of rotation. Easy installation because of Cartridge construction. Rugged design improves operating life.   Industrial Application: Pulp & Paper Industries, Petrochemical, Refinery.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic.   Metal Component: S.S 316, S.S 316L, Alloy 20, Hastelloy C.   Secondary Seal: Viton, PTFE, GFT, FKM, EPDM.   Operating Limits: Pressure : Full vacuum to 40 bar Temperature : -40˚C to 260˚C Speed : Subject to specification. https://www.lineproofengineering.co.in/rubber-bellow-seals.htm https://www.lineproofengineering.co.in/rubber-bellow-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 RUBBER BELLOW SEALS Rubber Bellow Seal has a self aligning feature which compensates abnormal shaft end play and run-out, which increases seal life. Elastomeric below protects the shaft/sleeve from fretting. The compact design eliminates the requirement of extra radial & axial space for its installation.   Industrial Application: Water & Wastewater, Mild Slurries, Pulp, Paper & Latex, Food Processing.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic.   Metal Component: S.S 304, S.S 316.   Secondary Seal: Viton, NBR, EPDM, FKM.   Operating Limits: Pressure : 6 bar Temperature : -20˚C to 140˚C Speed : 10 m/s https://www.lineproofengineering.co.in/teflon-bellow-seals.htm https://www.lineproofengineering.co.in/teflon-bellow-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 TEFLON BELLOW SEALS Teflon Bellow seals are designed to handle highly corrosive liquids. It is outside mounted with a simple installation procedure and hence cost effective. Sealing faces are replaceable and are driven by internal lugs on bellows. Faces can be easily removed & replaced.   Industrial Application: Chemical, Petrochemical, Pharmaceutical, Acetic acid.   Face Materials: GFT, Ceramic, Silicon Carbide, Carbon.   Metal Component: S.S 316, Alloy 20, Hastelloy C.   Secondary Seal: Teflon Bellow.   Operating Limits: Pressure : 6 bar Temperature : -45˚C to 120˚C Speed : 20 m/s https://www.lineproofengineering.co.in/metal-bellow-seals.htm https://www.lineproofengineering.co.in/metal-bellow-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 METAL BELLOW SEALS Metal bellow Seal is inherently balanced mechanical seal. These seals are independent of direction of rotation. The unique feature of this type of seal is that there are no dynamic 'O' rings and therefore it will never hang-up or damage the shaft and sleeve. It can handle corrosive as well as abrasive & viscous media. These seals have self-cleaning & no clogging construction. With selection of special bellow material it can be used in highly corrosive media.   Industrial Application:: Chemical, Power Plant, Refinery, Petrochemicals, Pharmaceuticals.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide.   Metal Component: S.S 304, S.S 316, Hastelloy C, AM350.   Secondary Seal: Grafoil, Aflas, Kalrez, PTFE.   Operating Limits: Pressure : 25 bar Temperature : -40˚C to 220˚C Speed : 20 m/s  https://www.lineproofengineering.co.in/dry-running-seals.htm https://www.lineproofengineering.co.in/dry-running-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 DRY RUNNING SEAL Dry Running seal are designed for agitators, mixers, reactor vessels, blowers, fans, etc. and is basically used on top of the vessel. The seal face is exposed to the gases / vapors of the product and there is no liquid / media coming in contact with the faces. These seals don’t require any external media for lubrication of the faces, hence it is known as Dry running seals.   Industrial Application: Chemical, Petrochemicals, Food & Beverages, Pharmaceutical.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic.   Metal Component: S.S 316, S.S 316L, Alloy 20, Monel, Hastelloy C.   Secondary Seal: Viton, PTFE, GFT, FEP, EPDM.   Operating Limits: Pressure : 6 bar Temperature : -20˚C to 150˚C Speed : 0 to 2 m/s https://www.lineproofengineering.co.in/agitator-seals.htm https://www.lineproofengineering.co.in/agitator-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 AGITATOR SEAL Lineproof Engineering is a leading manufacturer and exporter of best quality Agitator Seals. This seal is precisely manufactured with high precision by utilizing paramount quality raw materials and contemporary techniques in tune with the international quality standards. The offered seal finds application in agitator for providing air tight sealing. Furthermore, our patrons can purchase this seal in varied sizes, at highly competitive prices from us.   Industrial Application: Chemical, Pharmaceuticals, Drugs & Polymer Industries.   Face Materials: Tungsten Carbide, Carbon, Silicon Carbide, Ceramic.   Metal Component: S.S 304, S.S 316, Alloy 20, Hastelloy C.   Secondary Seal: Viton, EPDM, Silicon, Grafoil, PTFE, FFKM.   Operating Limits: Pressure : 40 bar Temperature : -40˚C to 200˚C Speed : Subject to specification. https://www.lineproofengineering.co.in/split-seals.htm https://www.lineproofengineering.co.in/split-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 SPLIT SEALS Lineproof Engineering is the leading manufacturer & exporter of Split Seal. Split Seals are designed for the equipment where dismantling of the equipment is difficult. These seals can be easily installed in the equipment without prolong shut down.   Industrial Application: Chemical, Petrochemicals, Pharmaceutical.   Face Materials: Carbon Graphite Antimony impregnated, Silicon Carbide.   Metal Component: S.S 304, S.S 316L.   Secondary Seal: FKM, EPDM, NBR.   Operating Limits: Pressure : 10 bar Temperature : -40˚C to 150˚C Speed : 10 m/s https://www.lineproofengineering.co.in/carbon-floating-ring-seals.htm https://www.lineproofengineering.co.in/carbon-floating-ring-seals.htm Mon, 06 Jan 2025 00:00:00 +0530 CARBON FLOATING RING SEALS Carbon floating ring seals are used, if the application has a circumferential speed (sliding speed) above 40 m/s, normally for turbine and compressor applications. Installation is easy due to split design (dismantling of the shaft is not necessary). Easy replacement due to segmented seal ring design.   Industrial Application: Chemical, Petrochemicals, Pharmaceutical.   Face Materials: Carbon   Metal Component: S.S 316L, Hastelloy C, Inconel, Titanium.   Secondary Seal: FKM, EPDM, NBR, PTFE.   Operating Limits: Pressure : 20 bar Temperature : -40˚C to 280˚C Speed : 150 m/s https://www.lineproofengineering.co.in/rotary-joint.htm https://www.lineproofengineering.co.in/rotary-joint.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/mechanical-seal-spares.htm https://www.lineproofengineering.co.in/mechanical-seal-spares.htm Wed, 23 Aug 2023 00:00:00 +0530 Rubber Product / Elastomer   Viton Rubber due to its mechanical and physical properties can be used for temperatures from -30˚C to 210˚C. Silicon Rubber due to its mechanical and physical properties can be used for temperatures from -86˚C to 156˚C. EPDM Rubber due to its mechanical and physical properties can be used for temperatures from -50˚C to 156˚C. Aflas Rubber due to its mechanical and physical properties can be used for temperatures from -156˚C to 256˚C. Kalrez Rubber due to its mechanical and physical properties can be used for temperatures from -200˚C to 396˚C. https://www.lineproofengineering.co.in/bearing-isolator.htm https://www.lineproofengineering.co.in/bearing-isolator.htm Mon, 06 Jan 2025 00:00:00 +0530 BEARING ISOLATOR A bearing isolator is a non-contact, non-wearing, permanent bearing protection device. It has a rotor and a stator, and the two are unitized, so that they don’t separate from one another while in use. Typically, the rotor turns with a rotating shaft, while the stator is pressed into a bearing housing. The two components interact to keep contamination out of the bearing enclosure and the lubricant in. Bearing isolators do not require lubrication or any particular shaft finish or condition.   The best bearing isolators are made of metal, usually bronze, and they utilize a vapor-blocking feature, which inhibits the free transfer of vapor contamination when the rotating equipment is cycled on and off.   Advantage: It prevents friction. Reduces heat generation. Increases the life of Bearing. Wear and tear resistance. Reduces Energy Consumption https://www.lineproofengineering.co.in/hose-pipe.htm https://www.lineproofengineering.co.in/hose-pipe.htm Wed, 23 Aug 2023 00:00:00 +0530 HOSE PIPE A hose is a flexible hollow tube designed to carry fluids from one location to another. Hoses are also sometimes called pipes (the word pipe usually refers to a rigid tube, whereas a hose is usually a flexible one), or more generally tubing. The shape of a hose is usually cylindrical (having a circular cross section).   Hose design is based on a combination of application and performance. Common factors are size, pressure rating, weight, length, straight hose or coil hose, and chemical compatibility.   Materials: Nylon, Polyurethane, Polyethylene, special grades of polyethylene (LDPE and especially LLDPE), PVC, Synthetic or Natural Rubbers, PTFE (Teflon), Stainless Steel & Other Metals. https://www.lineproofengineering.co.in/rubber-diaphragms.htm https://www.lineproofengineering.co.in/rubber-diaphragms.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/pump-shaft.htm https://www.lineproofengineering.co.in/pump-shaft.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/pump-sleeve.htm https://www.lineproofengineering.co.in/pump-sleeve.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/pump-gland.htm https://www.lineproofengineering.co.in/pump-gland.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/pump-impeller.htm https://www.lineproofengineering.co.in/pump-impeller.htm Wed, 23 Aug 2023 00:00:00 +0530 https://www.lineproofengineering.co.in/chromeoxide-coated-sleeve.htm https://www.lineproofengineering.co.in/chromeoxide-coated-sleeve.htm Mon, 06 Jan 2025 00:00:00 +0530 https://www.lineproofengineering.co.in/ceramic-coated-sleeve.htm https://www.lineproofengineering.co.in/ceramic-coated-sleeve.htm Mon, 06 Jan 2025 00:00:00 +0530