GROVE BT-2 Top Entry Trunnion Mounted Ball Valve

Standard Features of the GROVE BT-2

Size range: 1 1/2” to 60”
ANSI Classes: 150 to 2500
Trunnion mounted
Triple barrier stem seals
Stem separate from the ball
Anti-blow-out stem design
Stem emergency grease fitting
Low friction metal-backed self lubricating PTFE sleeve bearings and thrust washers
Primary metal-to-metal seal and protected secondary O-ring seal
Double-piston-effect seat rings (double sealing barrier in both directions)
Pressure relief valve in the body cavity to prevent pressure lock
Sealant injection system for emergency seal
Factory positioned external stops
Integral stop in the adapter plate for permanent reference to open/closed positions
Electroless nickel coating on pressure-controlling parts and stem
In-line maintainable
CE marking (PED Directive)

If you need a different model other than those listed, please contact us at
BT1 l BT2

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GROVE BT-2 Top Entry Trunnion Mounted Ball Valve

Optional Features of the GROVE BT-2

Self-relieving seat rings
Lubricated seats
PTFE spring energized lip seals for seat and stem sealing
Metal-to-metal seat sealing
Inconel 625 overlay on sealing areas
Explosive decompression resistant seals (std for Class 600 and higher)
Anti-static device
Features for vertical installation and maintenance
Standards Compliance

Body thickness in accordance with ASME B16.34
Fire safe in accordance with API 6FA, BS 6755 Part 2
Body Construction

The body-bonnet design is of bolted construction and its sizing complies with requirements given in ASME VIII Div. 1.
The bolted construction allows disassembly in-line for inspections and possible repairs.
Clearing the bonnet off the valve allows free access to the body cavity. A set of special maintenance tools permits the seats to be pushed back and to take out either ball and seats.
After maintenance, the valve being of standard DPE design, tightness of the seating surfaces can be assessed by pressurizing the body cavity only, before any repressurization of the pipeline.
A body drain is provided in the lowest part of the body cavity and features a NPT drain valve with a safety plug.


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