GROVE BT1 Top Entry

Standard Features of the GROVE BT1

Size range: 1/2″ to 12″
ANSI Class: 150# to 1500#
Trunnion Mounted
Triple barrier stem seals
Anti-blow-out stem design
Stem emergency grease fitting
Factory positioned external stops for permanent reference to open/closed positions
Low friction metal-backed self lubricating PTFE sleeve bearings and thrust washers
Plastic polymer insert for seat sealing
Double-piston-effect seat rings (double sealing barrier in both directions
Pressure relief valve in the body cavity to prevent pressure lock
Electroless nickel coating on pressure-controlling parts and stem
Body thickness in accordance with ASME B16.34
In-line maintainable
CE marking (PED Directive)

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BT1 l BT2

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GROVE BT1 Top Entry

Optional Features of the GROVE BT1

Self-relieving seat rings
Lubricated seats
PTFE spring energized lip seals for seat and stem sealing
Metal-to-metal seat sealing
SS or Inconel 625 overlay on sealing areas
Explosive decompression resistant seals (std for Class 600 and higher)
Anti-static device
Features to allow vertical installation and maintenance
Standards Compliance
Fire safe in accordance with API 6FA, BS 6755 Part 2

Body Construction

Body-bonnet design is of bolted construction
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 ball and the seats which can simultaneously be taken out without the need for any special maintenance tools.
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 re-pressurization 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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