Emerson Fisher CS800 Series Pressure Reducing Regulator
Fisher CS800 Series direct-operated, spring-loaded regulators provide pressure reducing applications for commercial and light industrial installations. This flexibility is provided by the numerous body sizes and end connections, outlet pressure settings, orifice sizes, as well as the option for internal or external pressure registration. In addition to application flexibility, the CS800 Series offers multiple overpressure protection options to meet your demands on application requirements.
Features
* Wide Variety of Body Sizes and End Connections
* Fixed Factor / Pressure Factor Measurement (PFM) Accuracy Capabilities
* Field Convertible from Internal Sensing to External Sensing for Wide-Open Monitor Construction
* Available in Gray Cast Iron, Ductile Iron, and Steel Body Materials
* Only Standard Tools Required for Pressure Adjustment and Orifice Removal
* Easy to Maintain
Specifications
Available Configurations
See Table 1
Body Sizes, Material, End Connection and Pressure Rating
See Table 2
Maximum Inlet Pressures:Emergency: 175 psig / 12.1 bar,Operating: See Table 3
Maximum Outlet Pressure:
Emergency (Casing): 15 psig / 1.0 bar;To avoid internal parts damage: 3 psig / 0.21 bar,differential above outlet pressure setting
Outlet Pressure Ranges
Regulator: 3.5 in. w.c. to 10 psig /9 mbar to 0.69 bar See Table 4
Internal Relief Performance
Temperature Capabilities:-20 to 150°F / -29 to 66°C
Spring Case Vent Connection
Internal Relief: 1 NPT
High Capacity Relief: 2-1/2 NPT
External Registration Connection:3/4 NPT
Table 5. Outlet Pressure Ranges
Type | OUTLET PRESSURE RANGE | SPRING | SPRING WIRE DIAMETER | SPRING FREE LENGTH | ||||
COLOR | Inch | mm | Inch | mm | ||||
CS400 | 3.5 to 5" w.c. / 9 to 12 mbar | Red | 0.098 | 2.49 | 4.18 | 106 | ||
4.5 to 6.5" w.c. / 11 to 16 mbar | Purple | 0.080 | 2.03 | 4.32 | 110 | |||
6 to 8" w.c. / 15 to 20 mbar | Gold | 0.108 | 2.74 | 4.18 | 106 | |||
7.5 to 11" w.c. / 19 to 27 mbar | Blue | 0.110 | 2.79 | 4.40 | 112 | |||
10 to 14" w.c. / 25 to 35 mbar | Unpainted | 0.110 | 2.79 | 4.40 | 112 | |||
12 to 19" w.c. / 30 to 47 mbar | Green | 0.112 | 2.85 | 4.70 | 119 | |||
18" w.c.to 1psig / 45 to 69 mbar | Orange | 0.120 | 3.05 | 4.94 | 125 | |||
1 to 2 psig / 69 to 138 mbar | Black | 0.140 | 3.56 | 4.66 | 118 | |||
2 to 5.5 psig/ 138 to 380 mbar | Yellow | 0.172 | 4.37 | 4.42 | 112 |