HOME >>PRODUCT INFORMATION >> Butt weld type butterfly valves LOTOKE VALVES

 Class 150 to Class 2500 Rated Valves

 FEATURES AND BENEFITS:
• Metal to metal sealing
• Triple eccentric quarter-turn design
• Torque seated
• Bi-directional tight shutoff
• Zero leakage
• Non-rubbing seating
• Inherently fire safe and fire tested
 
TYPICAL APPLICATIONS:
• Process fluids
• Hydrocarbons
• Steam/Geothermal steam
• Hot gas/Sour gas (NACE)
• Oxygen, Hydrogen
• Blow down
• Sulfur recovery
• Acid, Caustic, Chloride
• Abrasive service
 
TEMPERATURE LIMITS
From -196°C (-320°F) up to +818°C (+1600°F)
 
PRESSURE LIMITS
From Full Vacuum up to +450 Bar (2200 psi)
 
PRODUCTION RANGE
• ND 2" - 160" ANSI Cl. 150
• ND 2" - 80" ANSI Cl.300
• ND 3" - 80" ANSI Cl. 600
• ND 6" - 48" ANSI Cl. 900
• ND 6" - 24" ANSI body in ANSI Cl. 1500
• ANSI Cl. 2500 with ANSI Cl.900 trim
 
BODY STYLE
• Double flanged ISO 5752
• Double flanged ANSI B 16-10 (gate)
• Wafer & Lugged API 609
• Butt-Weld.
 
RATING
• NP 6-10 - 16 – 25 – 40 – 64 - 100
• ANSI Cl. 150 - 300 - 600 - 900 - 1500 - 2500
MATERIALS
• LCB, LC3
• Duplex
• Superduplex
• Monel
• Hastelloy
• 254 SMO
• Alloy steel WC6, WC9
• Inconel
• Alloy 20
• Aluminium Bronze
• Titanium.
 
APPLICABLE STANDARDS
Design: ANSI B16.34 / ASME VIII
Face to face: API/ISO/ANSI
Flange: ANSI/ISO/DIN/UNI/JIS
Testing: ZERO leakage
Fire Test: BS 6755 - API 607 fourth Ed.