Application:
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Wide range of general purpose in liquid & gas handling applications.
Features:
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One piece bar stock construction with full material traceability.
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Outside screwed bonnet design.
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Back seating of stem in fully open position prevents stem back-out.
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All types of valves have a self-centering, non-rotating needle on the valve seat, alternative seating to choose for every application requiring bubble tight shut-off.
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Safety stop pin (SS316 pin prevents detachment of the bonnet from the body due to vibrations).
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Bonnet-to-body seat, metal to metal seal eliminates the need of 'O'-Ring seals.
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Dust cap with colour identification.
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Specifications:
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Standard pressure rating up to 6000 psi (413 bars).
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Standard PTFE packing and optional Graphoil packing for higher temperature services.
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Temperature rating for PTFE 450ºF (232ºC) & for Graphoil 1000ºF (538ºF).
Testing:
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Hydrostatic test: Body 1.5 times - 9000 psi (620 bars) & Seat 1.1 times - 6600 psi (455 bars).
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Pneumatic test: Seat - 1000 psi (69 bars)
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Valve is tested with nitrogen at 1000 psi for leakage at the seat, to maximum allowable leak rate of 0.1scc/min.
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