Tripathi Hardware & Mill Store

L&T Valves manufactures Aquaseal Elastomer-lined Butterfly Valves in a variety of pressure classes, body styles, materials and actuation options to meet myriad requirements in process and utility lines.

At the core of L&T Aquaseal Butterfly Valve is an in-situ moulded integral elastomer seat that provides better performance and longer service life compared to valves with loose liners.

Aquaseal requires no maintenance, and is a truly fit-and-forget valve.

• Enhanced reliability, Longer service life
• Tight sealing, Consistent low torque
• Assured shaft sealing
• One-piece blowout-proof Shaft
• Reliable Drive - Positive shaft-disc connection
• Lower resistance to flow - Contoured disc
• Ease of installation
• Integral actuator mounting platform

• Pressure ratings: PN10, PN16, PN25 and Class 150
• End connections: Wafer, Lugged, Flanged
• Body materials: Cast Iron, SG Iron, Carbon Steel, SS 304/ CF8, SS 316/ CF8M
• Elastomer options: Black/ White Nitrile, EPDM, Viton, Hypalon, Silicon
• Specials: Long Neck, Extended Stem

L&T Valves manufactures a versatile range of Process Ball Valves in single, two and three piece constructions. The valves are available in full-bore and regular-bore designs, in a variety of end connections and materials to suit customer requirements.

The valves are of floating-ball design where the ball moves towards the downstream seat, under pressure, to effect a tight seal.

• Fire-safe to ISO 10497 and API 607
• Mirror-finished solid stainless ball
• Fine-grained PTFE seats
• Cavity Pressure Relief mechanism
• Blowout-proof stem
• High integrity stem sealing – Belleville springs compensate for wear and thermal expansions
• Antistatic feature
• Actuator-mounting flange conforms to ISO 5211
• SIL3 Safety Integrity Level for Automated Valves

• Single, two and three piece constructions
• Full-bore and regular-bore designs
• Soft and metal-seated
• Offered in carbon steel, stainless steel and duplex stainless steels
• Screwed, socket-weld and flanged ends
• ASME classes up to 2500
• Variety of actuation options

Aquaseal Chek Valve is a soft-seated dual-plate check valve that conforms to API 594. The valve with cast iron body is available in sizes 2” (50 mm) to 12” (300 mm), in PN 10, PN 16 and ASME Class 125 pressure ratings.

• Patented retainer-less design - High integrity sealing, facilitates quick disassembly at site
• Two independent seats - Consistent sealing even in uneven flow
• Raised profile of the soft seat enhances sealing
• Integrally moulded liner
• Stopper pin prevents the discs from coming into contact with each other and thus prevents disc damage. The stopper pin also prevents spring failure by ensuring that the discs don’t travel beyond the full-open position.
• For sizes 6” and above, lifting eyebolt option is provided
• Drain connections provided on demand

• Gate Valve design complies to API 600, Edition 13
• Offered with API 600 monogram
• Fugitive Emissions - Complies to API 624 and ISO 15848-1 (<50 ppm / Class AH leakage levels, optional)
• Gate Valves tested to API 624 at Yarmouth Research Lab, Maine, USA
• Body gasket leakage <100 ppm observed on eight sizes tested as per API 624 Annexure A
• Fire Safe - By design and tested to API 607/ ISO 10497
• CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
• PED Module B1 Design Examination Certificate (certified by DNV) available
• Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
• SIL 3 Safety Integrity Level for Automated Valves
• Gate valves successfully tested to Shell Design Validation Test Procedure 77/300 and witnessed by Shell Inspectors

• Robust stem-wedge design connection successfully tested as per API RP 591 Annex B
• Hardfaced body guides and wedge slots (sizes >24”)
• Inconel overlay/ cladded options offered

• Options: BellowsProperties-sealed, FBE/ Fusion-bonded Epoxy Lined, Steam-Jacketed
• ValvTrac™ RFID tags for reliable digital traceability

API 603 Stainless Steel Corrosion-Resistant Gate Valves

Special Features:

• Integral body seat. In-situ hardfacing provided for Trim 12 and 16 valves
• Flex Wedge - Compensates for seat distortion and eliminates disc-jamming
• Single-piece forged stem with T-head for superior strength
• Body-bonnet Joint - Class 150 Globe Valves offered with square-shaped body-bonnetjoints in size 2” and with oval-shaped joints in 3” size. Valves in all other sizes and pressure classes offered with circular body-bonnet joints.
• Complies to API 624 and ISO 15848 fugitive emission requirements

• Check Valve design complies to BS 1868 and API 594
• Offered with API monogram
• Fugitive Emissions - Complies with ISO 15848-1 (<50 ppm)
• Compliance to Annex III Module H of Pressure Equipment Directive 2014/68/EU
• Check valves successfully tested to Shell 77/300 and witnessed by Shell Inspectors

• Internal hinge design, no hole in the body, eliminates leakage path
• Inconel overlay/ cladded option available

• Swing check valves offered with damper arrangement for non-slam applications
• Options: Tilting Disc Check Valve, Axial Flow Check Valve, Stop Check Valve, Lift Check Valve, Steam Jacketed and FBE/Fusion-bonded Epoxy Lined Valves
• ValvTrac™ RFID tags for reliable digital traceability

• Globe Valve design complies to API 623 (higher stem diameter than BS 1873)
• Fugitive Emissions - Complies to API 624 and ISO 15848-1 (<50 ppm / Class AH leakage levels, optional)
• Globe Valves tested to API 624 at Yarmouth Research Lab, Maine, USA
• Fire safe - By design and tested to API 607/ISO 10497
• CE Marking – Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
• PED Module B1 Design Examination Certificate (certified by DNV) available
• Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
• SIL3 Safety Integrity Level for Automated Valves
• Globe valves successfully tested to Shell Design Validation Test Procedure 77/300 and witnessed by Shell Inspectors

• Body Guided disc in globe valves (all sizes/classes) provides disc stability and avoids vibration of the disc-disc nut assembly
• Non-rotating rising stem design in globe valves (2” and above) yields a 20-30% reduction in valve torque vis-à-vis the Rotating rising stem globe valves
• In-situ seat design in all globe valves
• Inconel overlay cladded option available for economical solutions

• Y-Globe, Bellows-sealed, FBE/ Fusion-bonded Epoxy Lined, Steam-Jacketed
• ValvTrac™ RFID tagging offered for reliable digital traceability

• Design complies to API 6D
• Valves offered with API 6D monogram
• Fugitive emissions – Complies to ISO 15848-1
• Fire safety - Complies to API 607/ ISO 10497
• CE Marking - Meets requirements of Pressure Equipment Directive 2014/68/EU, Annexure III, Module H
• PED Module B1 Design examination certificate (certified by DNV) available
• Atex - Meets requirements of Atex Directive 94/9/EC (ATEX), category 2 non-electrical equipment
• SIL3 - Safety Integrity Level SIL3 certification complies to IEC 61508

• L&T Valves Double Block & Bleed Plug Valve provides online-verifiable bubble tight sealing and is a safe and reliable replacement to the conventional two-valve system
• High integrity positive shut-off obtained independent of line pressure, without sealants/ lubricants
• Mechanical sealing ensuring online-verifiable positive double isolation for critical services
• Patented operator mechanism enables segments to move towards the seats during valve operation – reduces wear and tear and enhances service life
• Inbuilt cavity pressure relief system
• Inline Maintainable Seats -Seats can be renewed without removing the valve from the pipeline (after draining and isolating the line)

• Options: High Temperature, Cryogenic, FBE-lined, Steam-jacketed valves
• ValvTrac™ RFID tags for reliable digital traceability

The Knife Gate Valve provides reliable shut-off for both dry and wet line fluids. The bonnet-less valve equipped with a heavy-duty gate to cut though both dry and wet line fluids. The bonnet-less valve sediments – and is ideally suited for abrasive slurries, pulp stock, semi-solids, dry ash, chips, etc.

The valves find application in paper and pulp, minerals and metals, steel plants, thermal power plants and chemical/ petrochemical industries. L&T Valves offers Knife Gate Valves with and unidirectional applications.

The versatile metallic and resilient seats for bidirectional and unidirectional applications. The versatile metallic and resilient seats for bidirectional range is available in wafer, lugged and flanged configurations.

• Sharp heavy-duty knife edge at the bottom of gate cuts through solid sediments and ensures reliable shut-off
• Gate offered with surface coatings based on customer demand - Hardfacing, Nitriding,
  Chrome-plating
• Replaceable seats - Easy maintenance at site. Longer service life.
• Low operating torque - Facilitates use of a smaller-size actuators. Lower Initial Investment.

• Pressure ratings: PN10 and Class 150
• End connections: Wafer, Lugged, Flanged and Ranged
• Body materials: Ductile Iron, Cast Iron, Carbon Steel, Stainless Steel
• Elastomer options: Black/ White Nitrile, EPDM, Viton, Hypalon, Silicon
• Specials: Long Neck, Extended Stem

L&T Valves offers glandless Piston Valves for reliable long-term performance in steam, condensate as well as process lines.

The versatile valve can be used for both isolation and throttling applications, and is available with flanged, socket-weld and screwed ends.

• Large effective sealing area - Reliable shutoff
  (ANSI Leakage Class VI)
• Glandless design - No leakage to atmosphere
• Reinforced sealing rings and Belleville washers - Compensates for thermal expansions, Reliability
• Sealing not affected by presence of dirt or any other impurities in the media
• Online Serviceable - Sealing rings can be replaced without removing the valve from line
• Long service life
• Lower cost of ownership