Needle valve, especially suitable for accurate regulation of gases and liquids. Features: - Fitted with external screwed stem, making it suitable for high temperatures. - Secured bonnet. - “Backseat” construction; In fully open position, the gland packing is relieved. - One-piece PTFE gland packing, adjustable by means of secureable gland. - Stem with non-rotating needle tip ensures 100% sealing. - Plastic dust cap protects threaded stem.