This standard specifies the product classification and parameters, technical requirements, test conditions and methods, inspection rules, marking, packaging and storage of KF series KFP pressure indicating regulator. This standard applies to KFP-01 (coil spring), KFP-02 (bellows), and KFP-03 (standard signal) pressure indicating regulators.
JB/T 8904.4-1999 history
1999JB/T 8904.4-1999 KF series pneumatic field instruments model.KFT temperature indicating controllers