* Viton O'ring inogona kubikwa kusvika 200°C nguva nenguva, kushandiswa kwakasimba kusvika 150°C.
* Iyo vacuum chisimbiso cheISO-yakatevedzana inogadzirwa nekudzvanya iyo O'ring pakati pemating flanges.Izvi zvinoitwa nealternately wrenchtightening surpposition pear of clamps kana mabhaudhi kutozosvikira simbi-to-metal contact yekutanga yaitwa pakati pemukati meiyo flanges uye spacing miromo yecentering ring.