This standard specifies the product classification and parameters, technical requirements, test conditions and methods, inspection rules, marking, packaging and storage of KF series KFK pressure indicating regulator. This standard applies to KFK-1□, KFK-2□ and KFK-7□ pressure indicating regulators.
JB/T 8904.2-1999 history
1999JB/T 8904.2-1999 KF series pneumatic field instruments model.KFK pressure indicating controllers