Specifications - Emerson Fisher 67C Instruction Manual
Instrument supply regulators
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Also See for Fisher 67C:
- Bulletin (12 pages) ,
- Instruction manual (12 pages) ,
- Installation manual (4 pages)
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67C Series
Body Size, Inlet and Outlets Connection Style
1/4-inch NPT
Maximum Inlet Pressure (Body Rating)
All except 67CS and 67CSR: 250 psig (17,2 bar)
Type 67CS and 67CSR: 400 psig (27,6 bar)
Outlet Pressure Ranges
See table 1
Maximum Emergency Outlet Pressure
50 psi (3,4 bar) over outlet pressure setting
Accuracy
Inlet Sensitivity: Less than 0.2 psig (0,014 bar)
change in outlet pressure for every 25 psig
(1,72 bar) change in inlet pressure
Repeatability: 0.1 psig (0,0069 bar)
Air Consumption: testing repeatedly shows
no discernible leakage
Type 67CR, 67CSR, 67CFR, and 67CFSR Internal
Relief Performance
Low capacity for minor seat leakage only; other
overpressure protection must be provided if inlet
pressure can exceed the maximum pressure rating
of downstream equipment or exceeds maximum
outlet pressure rating of the regulator.
Regulator Temperature Capabilities
With Nitrile (NBR)
Standard Bolting: -20 to 180°F (-29 to 82°C)
Stainless Steel Bolting: -40 to 180°F (-40 to 82°C)
With Fluoroelastomer (FKM):
0 to 300°F (-18 to 149°C)
With Silicone (VMQ)
Temperature bolting: -60 to 180°F (-51 to 82°C)
With Gauges: -20 to 180°F (-29 to 82°C)
1. The pressure/temperature limits in this manual and any applicable standard or code limitation should not be exceeded.
2. Repeatability is the measure of the regulator's ability to return to setpoint consistently when traveling from steady state to transient to steady state.
3. Silicone is not compatible with hydrocarbon gas.
4. Product complies with the material requirements of NACE MR0175. Environmental limits may apply.
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Specifications
(1)
(1)
(2)
(3)
Diaphragm and Low
Table 1. Outlet Pressure Ranges and Control Spring Data
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6
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1
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2
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3
5
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1
2
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5
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Smart Bleed™ Check Valve Setpoint
6 psi (0,4 bar) differential
Type 67CF, 67CFR, 67CFS, and 67CFSR Filter
Capabilities
Free Area: 12 times pipe area
Micron Rating: Cellulose Element: 40 microns
Glass Fiber Element: 5 microns
Stainless Steel Element: 40 microns
Drain Valve and Spring Case Vent Location
Aligned with inlet standard, other positions optional
Pressure Registration
Internal
Options
All Types
• Handwheel adjusting screw
• Inlet screen
• NACE MR0175 or NACE MR0103 construction
• Panel mount (includes spring case with 1/4-inch
vent, handwheel, and panel mounting nut)
• Closing cap (available on spring case with
1/4-inch NPT vent)
• Fluoroelastomer (FKM) elastomers for high
temperatures and/or corrosive chemicals
• Silicone (VMQ) elastomers for cold temperatures
• Fixed Bleed Restriction
• Triple scale outlet pressure gauge (brass or
stainless steel)
• Stainless steel stem on the valve plug
• Tire valve or pipe plug in second outlet
Types 67CFR only
• Smart Bleed™ internal check valve
Types 67CF and 67CFR only
• Stainless steel drain valve
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