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Mooney Flowgrid Slam Shut 1” valve Instruction Manual | 3
Copyright 2021 Baker Hughes Company. All rights reserved.
Figure 1 – Valve Markings
Figure 2 – Flowgrid Slam Shut Nameplate
Valve Markings
Nameplate Information
For Flowgrid nameplate information, refer to the Flowgrid Manual Ref.19583.
1. American National Standards Institute (ANSI) pressure
class rating of the valve.
2. Indication that the valve has been hydrostatically tested
according to code requirements.
3. The serial number is stamped on the spring case, bleed
plate, valve body, & throttle plate on Flowgrid regulators with
integral Slam Shuts. On stand alone Slam Shuts the serial
number is stamped on the cover, bleed plate, and valve
body.
4. The Slam Shut nameplate location.
Item
Definition
NITRILE
The Slam Shut has all nitrile soft
goods.
VITON
The Slam Shut has nitrile static
seals and viton dynamic seals and
diaphragms.
MAX INLET
Maximum inlet pressure PSIG/BAR
MIN DIFF
Minimum difference in outlet and
downstream pressure required for the
Slam Shut to operate.
OP. TEMP.
Operation Temperature range
5. The Flowgrid nameplate location.
6. The flow direction is marked on the spring case or cover
(“INLET” and/or a flow arrow). Proper alignment assures
that the diaphragm guide on the Spring Case is aligned
toward outlet side of the valve on regulators.
7. The % Capacity tag indicates the capacity of the throttle
plate (100%, 75%, 50%, & 35%) in the valve.
8. The springcase nameplate indicating the pressure range for
each color spring.
Series 41
Over/Under Pressure Protection
RED
PLATED
BLUE
PURPLE
BLACK*
GREEN*
* Adjusting Screw Spacer Required
5-10 psi (0.35-0.7 bar)
10-40 psi (0.7-3 bar)
40-90 psi (3-6 bar)
90-175 psi (6-12 bar)
175-200 psi (12-17 bar)
250-450 psi (17-31 bar)
Figure 3 – Valve Markings Nameplate
