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PENBERTHY SERIES LC FLAT GLASS GAGES
INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS
3 AVAILABLE MODELS
Penberthy large chamber (Series LC) liquid level gages are designed for applications other than
steam/water. Penberthy Series LC liquid level gages are designed for service where the liquid
being gaged tends to boil or surge making reading difficult. The large liquid chamber tends to
minimize the effects of boiling and surging, thereby increasing the accuracy of the liquid level
readings.
3.1 Design ratings at maximum and minimum operating temperatures
TABLE 1
Gasket
material
Grafoil
(standard) or non-asbestos
®
Top-chem 2000
®
25% glass filled PTFE
NBR (Buna-N)
FKM (Viton
)
®
PTFE (Teflon
)
®
TABLE 2
Gasket
material
Grafoil
(standard) or non-asbestos
®
Top-chem 2000
®
25% glass filled PTFE
NBR (Buna-N)
FKM (Viton
)
®
PTFE (Teflon
)
®
PCTFE/(Kel-F
) shields 0.063"
®
(1.6 mm) thick
Note: lower temperatures are possible with metallic material variation. (e.g., 316 stainless
construction, Grafoil
gaskets/cushions useable to –325°F (-198°C)).
®
The pressure and temperature ratings may deviate from the previous tables if the gasketing
materials of construction and/or bolting are other than those specified. Higher and/or lower
temperature ratings are available with different materials of construction.
To determine the maximum allowable working pressure for a specific temperature within the
design limits stated in the tables, the user should refer to applicable technical data sheets or,
when provided, the specifically stated design limits on a product proposal.
Note: under no circumstances should shields be used in reflex style gages. Installation of shields
in reflex style gages will keep the liquid from coming in contact with the refractive prisms, thereby
prohibiting visualization of the liquid level in the gage.
DANGER
NEVER exceed these design ratings or application data. Exceeding design ratings or application data
may result in mechanical failure of gage components resulting in death, serious personal injury and
property damage.
NOTES
Grafoil
is a registered trademark of Graftech.
®
Top Chem 2000
is a registered trademark of Klinger.
®
PCTFE (formerly known as Kel-F
Viton
and Teflon
are registered trademarks of E.I. duPont de Nemours and Company.
®
®
Glass
size
4-9
2400 psig (16550 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
2400 psig (16550 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
650 psig ( 4480 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
Glass
size
4-9
1580 psig (10890 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
1580 psig (10890 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
650 psig ( 4480 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
4-9
300 psig ( 2070 kPa) at -20°F (-29°C) to 100°F (38°C)
- a registered trademark of 3M) is manufactured by Daikin.
®
Model RLC reflex
Wetted parts material steel or stainless steel w/B7 bolting
Model TLC transparent
Wetted parts material steel or stainless steel w/B7 bolting
1840 psig (12690 kPa) at 600°F (316°C)
100 psig ( 690 kPa) at 500°F (260°C)
150 psig ( 1030 kPa) at 500°F (260°C)
225 psig ( 1550 kPa) at 250°F (121°C)
180 psig ( 1240 kPa) at 400°F (204°C)
150 psig ( 1030 kPa) at 500°F (260°C)
1220 psig (8410 kPa) at 600°F (316°C)
100 psig ( 690 kPa) at 500°F (260°C)
150 psig ( 1030 kPa) at 500°F (260°C)
225 psig ( 1550 kPa) at 250°F (121°C)
180 psig ( 1240 kPa) at 400°F (204°C)
150 psig ( 1030 kPa) at 500°F (260°C)
180 psig ( 1240 kPa) at 400°F (204°C)
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