A dust-proof cap is supplied on the top of the stuffing box gland which can protect the stem thread from the outside impurities. The stuffing filling is under the thread to effectively protect the lubricating grease from being brushed away. The core and the stem is of lapped joint with the functions of up sealing. Vertical hard sealing is used between the core and the body, also between the seat and the body. Non-rotational ball-shaped stem head and adjustable stem head can be supplied. Operating pressure can be up to 6000PSI(413bar). Operating temperature -53 to 232℃(-65 to 450℉) for PTFE sealing -53 to 649℃(-65 to 1200℉) for graphite sealing.
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With wide experience and expertise, HUATAI manufactures and sells high-quality wheel handle operate straight type stainless steel flange needle valve, which is well-known as one of the leading manufacturers and suppliers of 304 and 316 stainless steel products in China. Our products are of accurate design, top quality and lasting service time, please be free to wholesale stainless steel products with our factory.