This standard specifies the product classification and parameters, technical requirements, test conditions and methods, inspection rules, marking, packaging and storage of KF series KFL liquid level indicating regulator. This standard applies to KFL-2□ (twisted tube type) and KFL-3□ (damping type) float-type liquid level indicating regulator.
JB/T 8904.3-1999 history
1999JB/T 8904.3-1999 KF series pneumatic field instruments model.KFL level indicating controllers