High Pressure Temperature B16.5 RF PTFE Packing Flange Globe Valve Metering Instrumentation Flange Needle Valve 1/8" to 3/4" with Handwheel Manual Shut-off Flanged Ends PTFE Packing
1、A dust-proof cap is supplied on the top of the stuffing box gland which can protect the stem thread from the outside impurities. |
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2、The stuffing filling is under the thread to effectively protect the lubricating grease from being brushed away. |
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3、The core and the stem is of lapped joint with the functions of up sealing. |
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4、Vertical hard sealing is used between the core and the body, also between the seat and the body. |
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5、Non-rotational ball-shaped stem head and adjustable stem head can be supplied. |
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6、Operating pressure can be up to 6000 psi (413bar). |
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7、Operating temperature: -53 to 232℃(-65 to 450 F)for PTFE sealing. -53 to 649℃(-65 to 1200 F )for graphite sealing. |
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