L&T VALVE CATALOGS
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. CF8 – Austenitic Stainless Steel 18-8 Type 304
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
- Cryogenic valves successfully tested to Shell Design Validation Test Procedure 77/300 and witnessed by Shell Inspectors
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