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- Oliver - Model GB1 - Gauge Bleed Valve
Oliver - Model GB1 -Gauge Bleed Valve
The ‘GB’ Type Gauge Bleed Needle Valve is designed for safe and reliable isolation, giving bubble tight shut off, with non-rotating & anti-galling tip and dynamic self-adjusting spindle seal to give long service life in a variety of applications. The additional ability to bleed the gauge cavity to atmosphere, for simple calibration, is included.
OliverValves Gauge Bleed valves provide metal to metal seating and small bore isolation valve for many applications, while providing the option to bleed to atmosphere
The Gauge Bleed valve is supplied as standard with a non rotating tip to allow linear closure while eliminating galling.
Oliver Valves` standard Gauge Bleed valves are rated to 413bar (6,000psi),but can be rated at 689bar (10,000psi). Standard Temperature range from240 Deg C up to 540 Deg C.
All NPT connection threads are Single Point CNC machined.
All Oliver products have material traceability and pressure test certificates to BS EN 10204 3.1. A unique code is stamped on all valve bodies linking them to their material and chemical analysis certificates.
Tips are ‘interchangeable’ without special tools or spindle changes in options of hard, soft and metering tips.
Safety – spindles are ‘back seating’ and ‘anti-blowout’ as standard, amajor safety feature. Also ‘anti-removable’ steel pin is fitted into body so that head unit cannot be removed inadvertently.
Dust cap protects spindle threads from ingress of dirt and is colour coded for particular service.
- PSI Ratings From 6,000 PSI to 10,000 PSI
- Temperature 240 Deg C / 540 Deg C
- Packing PTFE/Graphite
- Thread Form NPT (As Standard) BSPP & BSPT
- Connection Size From 1/4" to 1"
- Handle ‘T’ Bar
- Seat Metal to Metal
- Bore 0.21" (5.4mm)
- CV 0.46