Table 1 Materials and their properties for compact-type needle valve with integrated heat sinks.
From: Thermal behavior in compact-type cryogenic needle valve with integrated heat sinks
Parts | Materials | Thermal expansion coefficient [/K] | Thermal conductivity [W/(m·K)] |
|---|---|---|---|
Body | SUS 316 | 1.6 × 10–5 | 14.3 |
Bonnet | |||
Disc | |||
Handle | |||
Heat sink | |||
Stem | |||
Union nut | |||
Packing | Graphite | 2.9 × 10–6 | 138.6 |
Packing gland | PEEK | 4.4 × 10–5 | 0.25 |
Upper/Lower packing | PCTFE | 7.0 × 10–5 | 0.20 |