A solar-heated water system for a photographic processing laboratory
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Michaelis, R. P.↗
Engineering topics
Nitta, H.
Publications and source records attributed to Nitta, H..
High-temperature, high-pressure spherical segment valve Patent
High-temperature, high-pressure spherical segment valve
Giovannetti, A., Jr.↗
High-temperature, high-pressure spherical segment valve provides quick opening
A hollow spherical segment valve with an eccentric permits non-rubbing closure and provides a means for gas-cooling the seal. The design allows quick opening at high temperatures and discharge pressures.
Giovannetti, A.↗