orifice plate - Robuta Search

https://www.padmafireindustries.com/orifice-plate.html

Manufacturer of Orifice Plate offered by Padma Industries, Mumbai, Maharashtra.

https://en.sc-china.com/product/333.html

Nuclear power Plunger Restriction Orifice Plate-Jinggong Automatic Control Instrument Complete Technology Development Company

https://dichspares.com/product/hattersley-orifice-plate/

TYPE: M2000 BS7350 RANGE: -10c to +120c. 65mm PN16.