Metal Seat Class 600 Trunnion Ball Valve Cavity Pressure Relief

Basic Information
Place of Origin: LISHUI,ZHEJIANG
Brand Name: VERVO
Certification: API/ISO/CE
Model Number: Q41F-DN300-300LB
Minimum Order Quantity: 1
Packaging Details: plywood case
Delivery Time: 30
Payment Terms: T/T, L/C, D/P, Western Union
Supply Ability: 400000
Design Standard: API6D Body Material:: A351 CF8
Nominal Diameter: 12Inch/DN300/300MM Pressure: CL300
End Connection.: FLANGE RF Face To Face: ASME B16.10
Test And Inspection: API 598
High Light:

Class 600 Trunnion Ball Valve


Metal Seat Trunnion Ball Valve


Pressure Relief Trunnion Ball Valve

Trunnion Type Soft/Metal Seat Ball Valve ASME CLASS 150/300/600/900/ 1500/2500


This Series are Trunnion-mounted ball valves designed with vanguard engineering and highly sophisticated technology. Our in-house High Velocity Oxygen Fuel-sprayed hard faces allow them to defy the toughest operating conditions, such as high pressure, abrasive and corrosive mediums, slurries, etc. Successfully used in the Oil & Gas industry, Refineries and Power Plants, these API 6D certificated valves provide an outstanding tightness, stability, safety and reliability that exceed most industry standards.


Metal Seat Class 600 Trunnion Ball Valve Cavity Pressure Relief 0
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


Metal Seat Class 600 Trunnion Ball Valve Cavity Pressure Relief 0                                                                 True bidirectional design and wide temperature range satisfying all applications.
Cavity pressure relief design protecting against any excess of pressure in the body cavity.
Trunnion ball design ensuring a tight contact between seats and balls, and allowing the valves to withstand extremely high pressures.
Single Piston seat rings that guarantees the self-relief of the body cavity in case of overpressure.
Double piston design in option, securing both upstream and downstream sealings.
Optional double block and bleed design ensuring a safe isolation simultaneously on both upstream and downstream seats.
Splined stem design strengthening the trim to withstand heavy torques under high pressure drops.
Emergency sealant injection design on request to restore the seat or packing integrity immediately.
Optional drain plug device to empty the cavity or to detect any leakage.
Body gland providing a trustworthy anti-blowout function and an easy maintenance.
Several alternatives of soft and metal seats to meet any kinds of requirement.
Optional purge device guaranteeing a complete cleaning of the body cavity.
Fire safe design according to API 607 or API 6FA.
Anti-static device.
ISO 5211 Mounting Pad design.


Keywords of Trunnion Type Soft/Metal Seat Ball Valve ASME CLASS 150/300/600/900/ 1500/2500

Metal Seat Class 600 Trunnion Ball Valve Cavity Pressure Relief 0

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Contact Details

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