Fisher - D450003T012

Below are all the different types of Fisher. Select the device of your choice, to download the manual

Contents

Instruction Manual MCK 1023 Type N201 May 1980 Type N201 w WARNING Install use and maintain this equipment according to Fisher instructions and aii federai state iocai iaws and codes and NFPA Pamphiet 58 Periodic inspection and maintenance is essentiai Introduction Type N201 automatic cylinder filling valve is supplied completely piped up and consists of a filler valve assembly two Type 67 regulators with pressure gauges a trip valve and special parts for alternate scale installations Principle of Operation Refer to Figure 1 Supply pressure registers at regulators 1 and 2 Pressure from regulator 1 registers beneath the lower diaphragm of the filler valve see A in Figure 1 This pressure holds the lower valve closed preventing pre ...