ZHEJIANG VERVO VALVE CO.,LTD
ZHEJIANG VERVO VALVE CO.,LTD - A VALVE COMPANY - We Are One of the Biggest Chinese Industrial Valves Manufacturer Specialized in Steel Ball Valves/Steel Gate Valves/ Steel Globe Valves/Steel Check
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3/4-Way Trunnion Type Soft/Metal Seat Ball Valve T/L-Port Full Bore Flanged Ends ASME CLASS 150/300 PN16/40
The trunnion-mounted 3/4-way ball valves are designed for the most complex flow control equations. Our unique 4-seat design with many alternatives of soft and metal seats allows the Series to withstand the toughest operating conditions in the fields of Oil & Gas, Refineries, Power Generation, Pulp & Paper, Mining, Petrochemical and Chemical industries, etc.
APPLICABLE STANDARDS
Body Material: Standard in WCB, CF8, CF8M. Other materials are available according to requirements.
Nominal Size: 1-1/2” to 8” (DN40 to DN200)
Pressure Rating: ASME CLASS 150/300 DIN PN16/40
End Connections: RF
Temperature Range: Soft Seat: -20~356°F (-29~180°C) / Metal Seat: -20~932°F (-29~500°C)
Flanged Dimensions: ASME B16.5 / EN 1092-1
Body Pressure Test: API 598
Seat Leakage Test: Soft Seat: API 598 / Metal Seat: ANSI/FCI70-2 Class V
Casting: MSS-SP-25 / MSS-SP-55
PRODUCT FEATURES
Trunnion ball design keeping the torque stable and low, even at a high pressure drop.
Robust 1-PC trim combining ball & stem (size 4” and below), to increase the valve life cycle.
Oversized stem design preventing any deformation from high pressure or high temperature.
Unique 4-seats design ensuring a perfect balance and an optimum position of the ball.
Spring loaded design keeping the seat in tight contact with the ball, even at a low pressure.
Many options of soft and metal seats to meet the requirements of all using conditions.
Fire safe design.
Anti-blowout stem design.
Anti-static design.
ISO 5211 Mounting Pad design.
Design standard
Body Material: Standard in WCB, CF8, CF8M. Other materials are available according to requirements.
Nominal Size: 2” to 24” (DN50 to DN600)
Pressure Rating: ASME CLASS 150/300/600, 900/1500/2500 on request.
End Connections: RF / RTJ
Temperature Range: Soft seat: -320~482°F (-196~250°C) / Metal seat: -320~932°F (-196~500°C), higher temperature on request.
Face-to-face Dimensions: ASME B16.10
Flanged Dimensions: ASME B16.5
Body Pressure Test: ASME B16.34 / API 598 / API 6D
Seat Leakage Test: Soft seat: ASME B16.34 / API 598 / API 6D / Metal seat: ANSI/FCI70-2 Class V in standard, Class VI in option.
Casting: MSS-SP-25 / MSS-SP-55
Fire Safe Design: Certificated according to API 607 / API 6FA
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