Description
L&T CS Gate Valves are designed for on-off service in pipelines, ensuring full flow with minimal pressure drop. They feature a rising stem, outside screw & yoke design, and are suitable for high-pressure and high-temperature applications in steam, oil, gas, and process industries.
Design Standards
-
Design & Manufacture: API 600 / BS 1414 / IS 14846
-
Face-to-Face: ASME B16.10
-
End Flanges: ASME B16.5
-
Butt Weld Ends: ASME B16.25
-
Inspection & Testing: API 598
Material of Construction (MOC)
-
Body & Bonnet: Cast Carbon Steel (ASTM A216 Gr. WCB)
-
Trim: 13% Cr / Stellited (optional)
-
Gland Packing: Graphite
-
Stem: Stainless Steel (AISI 410/420)
Pressure Ratings
-
Class 150 / 300 / 600 / 900 / 1500
-
PN 10 / 16 / 25 (as per DIN standards available on request)
Size Range
-
50 mm (2”) to 600 mm (24”) for flanged ends
-
Up to 1200 mm (48”) available on request
Temperature Range
-
Up to +425°C (with standard CS WCB body)
-
Special trims available for higher temperature & corrosive services
End Connections
-
Flanged (RF/RTJ)
-
Butt Weld Ends (BWE)
Special Features
-
Outside Screw & Yoke (OS&Y) design
-
Bolted bonnet construction
-
Renewable seat rings
-
Rising stem for visual position indication
-
Low pressure drop due to full bore design
-
Fire-safe and fugitive emission compliance (optional)
