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Thiedig - Model VD 50 -High Pressure Shut-Off Valve
High-performance, general-purpose shut-off valve with retractable stuffing box packing and differential threading. The high pressure shut-off valve type 50 is a universally applicable valve for liquid media and vapors at temperatures up to 400°C and pressures up to 268 bar.
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The packing consists of several layers of graphite and is asbestos-free. (For certain applications also made of Teflon).
The stuffing box packing can be retightened during operation with the so-called stuffing box gland.
The stem thread is located above the packing gland and never comes into contact with the medium in case of leakage.
- Connections R1/2" or SZ10 (other variants on request)
- kv value = 0.48 m3/h (m3/h at Δp = 1 bar)
- forged valve body
- also available in non-ferrous metal version
- non-rotating valve stem (differential thread)
- Stuffing box glasses