L&T Valves

L&T Valve Catalogs

Catalog

L&T Gate, Globe & Check Valves

L&T Valves is a global leader in Gate, Globe & Check Valves. The range comprises bolted bonnet valves in sizes up to 72", pressure-seal valves in ASME classes up to 4500, high integrity low emission valves (API 624/ ISO 15848), cryogenic valves (-196°C) and valves in exotic metallurgies.

 
Materials of Construction
  • ASTM A216 Gr. WCB
  • ASTM A217 Gr. WC6
  • ASTM A217 Gr. WC9
  • ASTM A217 Gr. C5
  • ASTM A217 Gr. C12
  • ASTM A217 Gr. C12A
  • ASTM A352 Gr. LCB/LCC - Low Temperature Steel
  • ASTM A351 Gr. CF8 - Austenitic Stainless Steel 18-8 Type 304
  • ASTM A351 Gr. CF8M - Austenitic Stainless Steel Type 316
Gate Valves - Bolted Bonnet
Size: 2" to 72" (50 mm to 1800 mm)
ASME Class: ASME Class 150 to 2500
Design Standard: API 600, ASME B 16.34
 
Beyond Standards
  • 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
  • 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
Features that Add Value
  • 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
Versatile Solutions
  • Options: Bellows-sealed, FBE/ Fusion-bonded Epoxy Lined, Steam-Jacketed
  • ValvTrac™ RFID tags for reliable digital traceability
Globe Valves - Bolted Bonnet
Size: 2" to 72" (50 mm to 1800 mm)
ASME Class: ASME Class 150 to 2500
Design Standard: API 623, BS 1873, ASME B 16.34
 
Beyond Standards
  • 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
Features that Add Value
  • 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
  • Versatile Solutions:
  • Y-Globe, Bellows-sealed, FBE/ Fusion-bonded Epoxy Lined, Steam-Jacketed
  • ValvTrac™ RFID tagging offered for reliable digital traceability
Check Valves - Bolted Bonnet
Size: 2" to 72" (50 mm to 1800 mm)
ASME Class: ASME Class 150 to 2500
Design Standard: BS 1868, API 594, ASME B 16.34
 
Beyond Standards
  • 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
Features that Add Value
  • Internal hinge design, no hole in the body, eliminates leakage path
  • Inconel overlay/ cladded option available
Cryogenic Gate, Globe & Check Valves
Gate Valves: Size: 2" to 54" (50 mm to 1350 mm)
ASME Class: ASME 150 to 2500
Design Standards: API 600, ASME B16.34, BS 6364, ISO 28921
 
Globe Valves: Size: 2" to 24" (50 mm to 600 mm)
ASME Class: ASME 150 to 600
Design Standards: API 623, BS 1873, ASME B16.34, BS 6364, ISO 28921
 
Check Valves: Size: 2" to 36" (50 mm to 900 mm)
ASME Class: ASME 150 to 2500
Design Standards: API 594, BS 1868, ASME B16.34, BS 6364, ISO 28921
 
Beyond Standards
  • Fugitive Emissions - Complies to ISO 15848-1: Endurance class CO2 and Tightness class BH
  • Valves tested at -196 degree C as per BS 6364. In-house facility for valves up to 60”
  • SIL3 Safety Integrity Level for Automated Valves
  • Cryogenic valves successfully tested to Shell Design Validation Test Procedure 77/300 and witnessed by Shell Inspectors
  • Optional tests - EN 12567 Annex A (Thermal Shock Test) and Annex B (Endurance Test)
Features that Add Value
  • Bonnet extension/ extension column keep packing rings away from cryogenic temperatures, and within its operating range
  • Thermal stabilization treatment conducted on body and obturator to ensure dimensional stability and to avoid distortion during temperature cycles
  • Cavity relief pressure arrangement to prevent thermal effect
  • Seat and disc hard-faced to prevent seizing and galling
Versatile Solutions
  • Available in a wide grade of metallurgies for a range of low temperature applications.
  • ValvTrac™ RFID tags for reliable digital traceability
Other Valve Types from L&T Valves
  • Bellows Seal Valves
  • Nickel Alloy Valves
  • Trunnion Mounted Ball Valves
  • Double Block and Bleed Plug Valves
  • Knife Gate Valves
  • Butterfly Valves
  • Dual Plate Check Valves
  • Control Valves