<https://actuatedvalvesupplies.com/en-us/p/ch-air-actuators-in-stainless-steel-with-raw-or-polished-forged-finish/>
<http://schema.org/description>
"Pneumatic valve actuator, quarter turn Brand: CH-air A Type Rack and pinion design Blow-out proof pinion Housing: Forged 316 stainless steel Surface finish: Raw forged or mirror polished Ends: Forged 316 stainless Pinion: 316 Stainless steel Pistons: Cast aluminum (SS option) Seals: NBR"
<https://actuatedvalvesupplies.com/en-us/p/ch-air-actuators-in-stainless-steel-with-raw-or-polished-forged-finish/>