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Fisher Controls Information Center
P.O. Box 8004
McKinney, TX 75069-8004


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Engineered Pressure and Flow Control Solutions

BERTIN EZ Pilot-Operated, Low Noise, Valve-Plug Regulator

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BERTIN EZ Pilot-Operated, Low Noise, Valve-Plug Regulator

 

The BERTIN EZ is a pilot-operated, valve plug, perforated expansion module regulator used in first and/or second line transmission networks and distribution stations where a low noise level is required.

It can be a "Fail to Open" or "Fail to Close" type.

It can be used as a "Monitor" regulator, "Working Monitor" regulator or a "Working" regulator in a "Wide-Open Monitoring" system or a "Working Monitoring" system.

The BERTIN EZ is in conformity with the Pressure Equipment Directive PED 97/23/EC
and is classified in category IV


World Area Availability
  • Europe
  • Middle East
  • Africa
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Features
  • Noise Attenuation
  • Ease of Maintenance
  • Integral Slam-Shut
  • Precise Flow
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Valve Plug

PS: 85 bar (1233 psig)

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Body, Slam-Shut Valve Plug
Calculated P: 100 bar (1450 psig)
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Actuator
PS: 50 bar (725 psig)
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Valve Plug

Without OS2, Pounds (kg)
Body Size,
Inches (DN)
PN 20
PN 50
PN 100
4 (100)



 (150)
1025 (465)
1058 (480)
1168 (530)
8 (200)



10 (250)




With OS2, Pounds (kg)
4 (100)



6 (150)
1246 (565)
1290 (585)
1356 (615)
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Reinforced Actuator
PS: 85 bar (1233 psig)
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Operating Temperature
TS: -30 to 60°C (-22 to 140°F)
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Options
  • RPE (Electrical Pilot Heater)
  • ADGE (Pre-Expansion Exchange)
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Minimum Differential

ΔPmin: 1 bar (15 psig)

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Maximum Differential
ΔPmax: 85 bar (1233 psig)
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Accuracy
  • AC: 1 to 2.5
  • AG: 2.5 (5 piston)
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Closing Over Pressure
SG: 2.5 to 5
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Closing Over Pressure Zone
SZ: 1
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Noise Level
65 to 75 dBA at 1 m
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Maximum Differential with Valve Plug Closed
ΔPmax: 100 bar (1450 psig)
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Response Time
< 1 s
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Outlet Pressure Range
1,0 to 60 bar (14.5 to 870 psig)
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Flow Coefficient
Qf: 13
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Automatic Internal Bypass
Cg: 25
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Resetting
Manually after fault rectification
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Position Indicator
On the mechanism box
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Fluid
Groups 1 and 2 according to the Pressure Equipment Directive PED 97/23/EC, 1st and 2nd family gas according to EN 437, or other gases (compressed air, nitrogen). The gas must be non-corrosive, clean (filtration inlet side necessary) and dry
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Pilot System
The Compact Pilot System consists of:
  • A filter with porous cartridge 5 µ, interchangeable
  • A pilot body consisting of :
    • a pre-expansion relay (nozzle and pilot manometric box)
    • a pilot (nozzle and pilot manometric box)
    • a pre-expansion relief valve
    • a pre-expansion manometer (option)
  • An adjustable reject valve
  • An adjustable supply valve
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Versions
  • A regulator without slam-shut (BERTIN EZ)
  • A regulator with slam-shut (BERTIN EZ OS2)
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Approximate Weight

Without OS2, Pounds (kg)
Body Size,
Inches (DN)
PN 20
PN 50
PN 100
4 (100)



6 (150)
1025 (465)
1058 (480)
1168 (530)
8 (200)



10 (250)




With OS2, Pounds (kg)
4 (100)



6 (150)
1246 (565)
1290 (585)
1356 (615)
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Additional Technical Data
For additional technical information, contact your Local Sales Office or refer to technical documentation.
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| Our Home Pages | My Page | About Us | Products/Literature | Pressurized Equipment Directive (PED)    | Support/Locator/Training | RFQ/Drawings | Technical Reference | What's New | Site Map | My Help |
Contacts:
    Telephone     Email     Write    

Within the US:
1-800-558-5853

Outside the US:
1-972-548-3574

Fax:
1-972-547-3712

Emerson Regulator Division Information Center
P.O. Box 8004
McKinney, TX 75069-8004




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