Spring chaje ki ba leve fil kalite valv sekirite

A21F-16C, A21H-16C, A21H-40, A21H-64, A21Y-100, A21H-160

A21W-16P, A21W- 40P, A21F -40P, A21W-64P, A21W-100P, A21W-160P

KA21Y-16C, KA21Y-16P

A21Y-16R, A21Y-40R, A21 Y-64R, A21Y-100R, A21Y-160R

A21F 、 A21H-C kalite yo itilize pou ekipman an ak tiyo nan lè a, amonyak, petwòl gaz, elatriye mwayen ki tanperati a k ​​ap travay yo mwens pase 200 ° C. A21W-P, R kalite yo itilize pou ekipman an ak tiyo nan bon jan kalite a ak korode gaz ak mwayen likid ki tanperati a k ​​ap travay yo mwens pase 200 ° C. Pran pou aparèy pwoteksyon siplemantè presyon.

Yo itilize kalite KA21 Y pou gaz petwòl likid ki tanperati k ap travay yo mwens pase 100 ° C.