Emerson 2625NS- Manuals

Page 2 - Specifications

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 2 exhaust plugs) which is factory set during assembly and testing. In addition, the booster incorporates soft‐seatconstruction and an integral bypass restriction to eliminate positioner saturation problems that can occur with...

Page 3 - Instruction Manual; Educational Services

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 3 Table 1. Specifications Port Diameters (1) Supply Port: J 9.5 mm (0.375 inch) or J 12.7 mm (0.5 inch) Exhaust Port: J 2.4 mm (0.094 inch), J 9.5 mm (0.375 inch) or J 12.7 mm (0.5 inch) Input Signal Positioner output Maximum...

Page 4 - Installation; WARNING; Mounting

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 4 Table 2. Maximum Flow Coefficients PORT SIZE COMBINATIONS SUPPLY PORT COEFFICIENTS EXHAUST PORT COEFFICIENTS Supply Port Exhaust Port mm Inch mm Inch C v C v 9.5 0.375 2.49.5 12.7 0.0940.375 0.5 3.743.743.74 0.232.293.40 12...

Page 5 - Pressure Connections

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 5 The booster may also be directly mounted to the actuator by using an actuator yoke mounting bracket (see figure 5)or casing mounting bracket. Pressure Connections The input signal connection is 1/4 NPT. The supply and outpu...

Page 6 - Diagnostic Connections; CAUTION

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 6 Figure 3. Volume Booster Sectional View INPUT SIGNAL BYPASS RESTRICTIONADJUSTING SCREW BYPASS RESTRICTION(KEY 11) SUPPLY PORT OUTPUT TO ACTUATOR SUPPLY EXHAUST EXHAUST PORT DIAPHRAGMS(KEY 5 AND 6) W0679‐1 Diagnostic Connect...

Page 7 - Exhaust Ports; Operating Information; Principle of Operation

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 7 WARNING If a flammable or hazardous gas is to be used as the supply pressure medium, personal injury, property damage orequipment damage could result from fire or explosion of accumulated gas or from contact with hazardous ...

Page 8 - Maintenance; Diaphragm Assembly Replacement

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 8 Maintenance WARNING Always wear protective clothing, gloves, and eyewear when performing any maintenance procedures to avoid personalinjury. Maintenance requires taking the volume booster out of service periodically. To avo...

Page 9 - Valve Assembly Replacement

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 9 Valve Assembly Replacement CAUTION The distance between the exhaust port seat line on the upper valve (key 7C) and the supply port seat line on the lower valveand stem (key 7B) is critical to ensure the deadband requirement...

Page 10 - Installation of Diagnostic Connections

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 10 6 . Install the diaphragm assembly (key 5) onto the upper valve (key 7C). 7 . Install the diaphragm spacer (key 2) onto the body (key 1). 8 . Place a straight edge at least 5 inches (127 mm) long across the diaphragm space...

Page 11 - Parts Ordering; Parts Kits

Instruction Manual D100348X012 2625 and 2625NS Volume Booster January 2015 11 Parts Ordering Whenever corresponding with your Emerson Process Management sales office about this equipment, mention theserial number of the volume booster. This serial number can be found on the nameplate (key 16, figure...