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The 2S12 "Sani" (GRAU index 2S12) is a 120 mm heavy mortar system used by the Russian Army and other former Soviet states. [3] First fielded in 1981, the 2S12 is a continued development on the towed mortars first used in World War II .
Ground Forces – 190 as part of 2S12 [8]: 209 Air Assault Forces – 24 as part of 2S12 [8]: 221 KastuĊ KalinoĊski Regiment – Unknown number, including small-scale production of replacement barrels by the regiment. [14] Uzbekistan – 24 of which 19 as part of 2S12 as of 2021. [8]: 213 Venezuela – 48 as part of 2S12 as of 2021.
Where the truck platform was abandoned, which was used by the prototype version of the "SORA 122mm" system in favor of a much better, crawler platform 2S1 Gvozdika system. The action was made possible by two new projectiles and an increased range of about 40% from 15,200 to 22,000 m (9.4 to 13.7 mi).
The 2S31's turret is equipped with digital automated fire control system, navigation system, and optical/electronic reconnaissance and target acquisition system. Its 2A80 gun-mortar is capable of launching a high-explosive mortar projectile with a maximum range of 18,000 m (20,000 yd). [ 1 ]
In July 2022, video on social media purportedly shows Ukrainian forces using M777 to destroy a towed 2B16 Nona-K in Hoptivka on the border with Russia. [7] In August 2022, Ukraine's armed forces claimed to use four captured Russian 2S9 against Russian forces. [8] In November 2022, a 2S23-SVK Nona was photographed in Ukrainian service.
A number of manufacturers in the cleaning industry now produce and market spray-and-vac systems or systems that are similar, and approximately 40,000–50,000 units have been sold worldwide. [citation needed] Some systems are battery operated; others do not have vacuuming capabilities however they are still classified under this product category.
A typical paint valve system will have a "female" valve, the stem being part of the top actuator. The valve can be preassembled with the valve cup and installed on the can as one piece, prior to pressure-filling. The actuator is added later. Modern aerosol spray products have three major parts: the can, the valve and the actuator or button.
The Institute for Liquid Atomization and Spray Systems, (ILASS), is an organization of researchers, industrial practitioners and students engaged in professional activities connected with the spraying of liquids and slurries. Annual technical conferences are organized by each of the ILASS organizations ILASS-Americas, ILASS-Asia, and ILASS-Europe.