Emerson Fisher C1 Datový list stáhnout pdf

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Fisherr C1 Pneumatic Controllers and

Transmitters

Fisher C1 controllers and transmitters continue the

tradition of durable and dependable Fisher pressure

instrumentation while addressing air/gas consumption

concerns. The C1 is used wherever durable and

dependable pressure instrumentation is required. The

use of this product in demanding applications, such as

those found in chemical process, gas, and oil

production industries, demonstrates its versatility. The

C1 can reduce steady-state air/gas consumption to as

little as 1/10th that of previous products.

C1 controllers compare sensed process pressure (or

differential pressure) with an operator-adjusted set

point, and send a pneumatic signal to an adjacent

control element that maintains the process pressure at

or near the set point value. C1 transmitters sense

process variables and send out a pneumatic signal,

usually to an indicating or recording device that

directly indicates the process measurement.

Unless otherwise noted, all NACE references are to

NACE MR0175 / ISO15156 & NACE MR0103.

Features

n Wide Range of Sensing Elements—A Bourdon tube is

available for high pressures or bellows for vacuum

and low pressures. Either kind of sensing element

can be installed in the case with the controller or

transmitter. Two interchangeable ranges of output

bellows and gauges also are available.

n Reduced Air/Gas Consumption—The C1 pneumatic

controller is an energy efficient choice, helping to

improve profits and uptime. Steady-state

consumption rate is less than the 6 scfh

requirement set for the oil and gas industry by the

US Environmental Protection Agency (New Source

Performance Standards Subpart OOOO,

EPA‐HQ‐QAR‐2010-0505).

FISHER C1 PNEUMATIC CONTROLLER

YOKE-MOUNTED ON CONTROL VALVE ACTUATOR

n Sour Service Capability—Materials are available for

applications handling sour process fluids. These

constructions comply with the metallurgical

requirements of NACE MR0175 / ISO15156 & NACE

MR0103. Environmental restrictions may apply.

n Mounting Versatility—Install the case on a panel,

wall or pipestand, as well as directly on the control

valve actuator.

n Reduced Maintenance Costs—A spring-out cleaning

wire, shown in figure 4, provides for in-service

cleaning of the relay orifice.

n Proportional-Only, Proportional-Plus-Reset, and

Differential Gap Configurable—The C1 controller

can be configured to provide various modes of

control.

(Features continued on page 3)

C1 Controllers and Transmitters

D103291X012

Product Bulletin

34.3:C1

July 2014

1 2 3 4 5 6 ... 11 12

Shrnutí obsahu

Strany 1 - Transmitters

www.Fisher.comFisherr C1 Pneumatic Controllers andTransmittersFisher C1 controllers and transmitters continue thetradition of durable and dependable F

Strany 2 - Specifications

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 10Figure 5. Bellows DetailsBELLOWS DETAILSSENSING BELLOWSBELLOWS SPRINGGE35

Strany 3 - Features (continued)

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 11Bourdon Tube ProtectionAll Bourdon tube constructions are available with

Strany 4

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 12Figure 8. Dimensions37.6(1.48)241.3(9.50)23.1(0.91)180.8(7.12)15.9(0.62)6

Strany 5 - Principle of Operation

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 2SpecificationsAvailable ConfigurationsSee table 1Input SignalPressureType:

Strany 6 - Proportional-Only Controllers

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 3Specifications (continued)Ambient Operating Temperature Limits(1)JStandard

Strany 7 - Differential Gap Controllers

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 4Table 2. Bourdon Tube Pressure Ranges and MaterialsPRESSURE RANGES(1)MAXIM

Strany 8 - Construction Features

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 5Table 5. Supply and Output Pressure Gauge RangesGauge Scale0.2 to 1.0 Bar

Strany 9 - Reverse/Direct Conversion

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 6Figure 1. Schematic of Reverse-Acting Proportional-Only and Proportional-P

Strany 10 - Pressure

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 7Figure 2. Schematic of Reverse-Acting Proportional-Plus-Reset Controller w

Strany 11 - Ordering Information

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 8Figure 3. Conversion from Reverse to Direct Action or Proportional to Diff

Strany 12 - Product Bulletin

C1 Controllers and TransmittersD103291X012Product Bulletin34.3:C1July 2014 9Figure 4. Fisher C1 ConstructionsPRESSURE BLOCKAND TUBINGRELAYORIFICESPRIN

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