Baker Hughes Mooney Flowgrid Slam Shut, Инструкция по эксплуатации

Страница: 4 / 16

2 | Baker Hughes Copyright 2021 Baker Hughes Company. All rights reserved.
The Slam Shut can be provided in one of three different actuator
assemblies:
1. Overpressure protection only
2. Underpressure protection only
3. Overpressure and Underpressure protection.
The 1 inch Mooney Slam Shut has several unique features such
as:
•
Easy to maintain; only two bolts required to remove entire
Slam Shut assembly
• Resistant to sticking due to freezing water or debris in
pipeline
• Well contained moving mechanical parts resistant to
vibration effects
• Excellent performance and accuracy across a large pressure
range by changing only the spring
• External visual indicator to show when the unit is tripped
• Easy to reset; only three caps need to be removed for
complete reset
• High cycle applications; only one wear component
• No pressure differential requirements for full shutoff
• Spring Case Vent Chamber may to pressurized for remote
trip or remote change of setpoint
Materials of Construction
Valve Body, Bleed Plate &
Spring Case
Carbon Steel (WCB)
Throttle Plate 17-4 PH or A515
Slam Shut Seat SST
Slam Shut Seal
Nitrile
Flowgrid Diaphragm Nitrile or Viton
Flowgrid Spring SST
Slam Shut Housing, Slam
Shut Spring Cases
Aluminum
Spring Cover Aluminum
Rotating Shaft SST
Main Shaft Guide Delrin
End Cap Lexan
Plug Seal Nitrile
O-Rings Nitrile
Over Pressure Set Point Ranges
Spring Color
Spring Range Accuracy (% of
Set Point)
(2)
psig Bar
Red 5 - 10 0.35 - 0.7 10
Silver 10 - 40 0.7 - 3 5
Blue 40 - 90 3 - 6 2.5
Purple 90 - 175 6 - 12 2.5
Black 175 - 250 12 - 17 2.5
White/Green 250 - 450 17 - 31 2.5
(2)
Preliminary AG Data, Testing per EN 14382
Specifications
Sizes 1” NPT & SWE1.25” NPT & SWE
Types Stand Alone or Integrated into
Flowgrid
Pressure
Protection
Standard: OverOptional: Over and/
or Under
Temperature
(1)
-20°F to 150°F(-29°C to 65°C)
Maximum
Operating Inlet
Pressure
740 psig (50 Bar)
Operating Sense
Pressure
5 to 450 psig (.35 Bar to 31 Bar)
Response Time < .25 seconds
(1)
EN 14382 restricts the minimum temperature to -4° F (-20° C).
Under Pressure Set Point Ranges
Spring Color
Spring Range Accuracy (% of
Set Point)
(2)
psig Bar
Red 5 - 10 0.35 -0.7 2.5
Silver 10 - 40 0.7 - 3 2.5
Blue 40 - 90 3 - 6 2.5
Purple 90 - 175 6 - 12 1.0
Black 175 - 250 12 - 17 1.0
White/Green 250 - 450 17 - 31 1.0