Emerson 310A Instruction Manual

Type 310AD102068X012Instruction ManualForm 5351March 2010

Type 310A10Pilot AdjustmentThe second-stage working regulator must be set to operate at a lower pressure than the monitoring pilot or the monitoring p

Type 310A11conditions and on applicable federal, state and local codes and regulations.!

Type 310A12 4.  place the spring (key 36) in the piston guide (key 23).

Type 310A13 4. Slide the sleeve and diaphragm assembly out of the case body (key

Type 310A14

Type 310A151. In case the kit R310X000072 is for a size NPS 4 x 6 (DN 100 x 150) Type 310A, it is necessary to purchase an extra Wiper Ring (PN 1R752

Type 310A16   Repair Kits (Include keys 6, 9, 11, 19, 26, 27, and 29) (continued) With Fluorocarbon (FKM) O-rings

Type 310A17   2 Base Body, WCC steel (continued) Without travel indicator 

Type 310A18   6* Diaphragm Nitrile (NBR) NPS 1 (DN 25) 1R747299982 NPS 2 (DN 50) 1R741099982 NPS 3

Type 310A19   19 Wiper Ring, Nitrile (NBR) (Not for use over 200°F (93°C)) NPS 1 (DN 25) 1R748204152 NPS 2 (

Type 310A21. The pressure/temperature limits in this Instruction Manual or any applicable standard limitation should not be exceeded.

Type 310AThe Emerson logo is a trademark and service mark of Emerson Electric Co. All other marks are the property of their prospective owners. Fisher

Type 310A3The regulator inlet pressure enters the pilot through the external pilot supply line

Type 310A4Wide-Open Monitors (Figure 4)Monitoring regulators serve as overpressure protection devices to limit system pressure in the e

Type 310A5functional. A restriction placed in the external tubing between the diaphragm loading pressure and the intermediate pressure acts as a down

Type 310A6InstallationA Type 310A-32A regulator bleeds no gas to atmosphere during normal operation, thus making the regulator

Type 310A7 7. Install a hand valve in the control line. 8. Install the other end of the downstream control line to the 1/2 NPT connectio

Type 310A8outlet pressure was factory-set at the mid-range of the pilot control spring. Before beginning the startup procedures in this section, make

Type 310A9Install the Type 310A-32A-32A into the pipeline using adequate gaskets for anged regulator units and good piping technique. Be sure to pro