Type CS800
Spring-Loaded Pressure Reducing Regulators
Tartarini Fisher Emerson

 

Introduction
The CS800 Series direct-operated,
spring-loaded regulators have been
engineered to ft a multitude of
pressure-reducing applications including
commercial and light industrial
installations.
This flexibility is provided by the
numerous body sizes and end
connections, outlet pressure settings,
orifce sizes and the option for internal or
external pressure registration.
In addition to application flexibility,
the CS800 Series offers numerous
overpressure protection options which
include an Internal Relief, High Capacity
Relief and Secondary SeatTM Protection.
The CS800 Series is in conformity with
the Pressure Equipment Directive
PED 2014/68/UE. The base regulator is
classifed under Category I, the regulator
with slam-shut module is classifed under
Category IV.
Body Sizes and End Connection Styles
Ductile Cast Iron and Steel:
1-1/4, 1-1/2 or 2 NPT
1-1/4, 1-1/2 or 2 Rp
NPS 2 (DN 50) CL150FF
(ductile cast iron only)
NPS 2 (DN 50) PN 10/16
NPS 2 (DN 50) CL150RF (steel only)
Maximum Operating Inlet Pressure
Differential Strength
8.6 bar
Maximum Emergency Inlet
Pressure Differential Strength
12.1 bar
Outlet Pressure Range
9 to 690 mbar
Maximum Emergency Outlet
Pressure (Casing)
1 bar
• Slam-shut
• Ductile Cast Iron and WCC
Steel Bodies Available
• Wide Variety of Body
Sizes and End Connections
• No Special Tools for
Pressure Adjustment and
Orifice Removal
Features
Maximum Outlet Pressure to avoid
Internal Parts Damage
0.21 bar over set-point
Maximum Operating Outlet Pressure
690 mbar
Temperature Capabilities
According to PED Standards:
-20° to 60°C
Non-PED:
-30° to 66°C
Approximate Weights
Threaded Body:
Type CS800/820: 11 kg
Type CS803/823: 16 kg
Type CS805/825: 12 kg
Type CS806/826: 12 kg
High Pressure Types:
For CS85x add 1 kg to types listed above
Flanged Body:
Add 5 kg to weights listed
Type VSX8 Slam-Shut Module
Specifications
Standard Overpressure Shutoff (OPSO)
Set Value:
55 to 621 mbar
Standard Underpressure Shutoff
(UPSO) Set Value:
10 to 248 mbar
Connections
Slam-Shut Vent: 1/4 NPT
External Sensing Line: 1/4 NPT
Casing Material
Aluminum
Pressure Registration
Internal or external
INTERNAL VIEW OF TYPE CS800
TYPE CS800
For full details consult the documentation available on our website:
www.Fisherregulators.com