L&T – Gate Valves – Bolted Bonnet

Gate Valves – Bolted Bonnet
Size : 2″ to 72″ (50 mm to 1800 mm)
ASME Class : Class 150 to 2500
Design Standard : API 600, API 603, 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
• 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

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

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-bonnet joints 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