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Tubular Level Gages
> 1/2" NPT Carbon Steel Level Sight Glass Valves (w/ Optional Gage Glass)
1/2' NPT Carbon Steel Level Sight Glass Valves (w/ Optional Gage Glass)
1/2" NPT Carbon Steel Level Sight Glass Valves (w/ Optional Gage Glass)
Price
Your Price:
$209.00
Availability:
Stock Status:
In Stock.
Stock Quantity:
2
Part Number:
Q170-EE
Vessel Connection:
1/2 inch MNPT
Gauge Glass Diameter:
5/8 inch
Valve Body Material:
NACE Compliant Carbon Steel (Approved for Petroleum Sour Gas Service)
Valve Pressure Rating:
500 PSI (34 BAR) at 450F (232C)
Glass Seal Material:
EPDM
Choose Options
Required Center to Center Distance
Required Center to Center Distance
No Gage Glass
Up to 12" (Glass & Guard Rods) [+$28.60]
12" to 18" (Glass & Guard Rods) [+$40.39]
18" to 24" (Glass & Guard Rods) [+$53.35]
24" to 30" (Glass & Guard Rods) [+$65.51]
30" to 36" (Glass & Guard Rods) [+$77.56]
36" to 42" (Glass & Guard Rods) [+$88.90]
42" to 48" (Glass & Guard Rods) [+$100.23]
Exact Gage Valve Center Fixing Distance (Center To Center Distance)
Distance (Inch):
Quantity
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Description
Customer Reviews
Tubular Level Gauges are designed to view liquid levels using clear or red line Borosilicate (Pyrex) tubing to view liquid levels. All valves use a stuffing box configuration to seal the glass tube, and have a ball check shutoff to prevent loss of vessel contents in case of glass failure. Operating pressure and temperatures are subject to the limitations of the tubular gauge glass and washer composition. These valve bodies are rated for 500 PSIG at 450F. The actual pressure limitations are of the gage glass. Note that these valves are of carbon steel, which may develop rust/corrosion under steam/water service. Use with oils or petrochemical liquids.
The following pressure values are for industry standard high pressure gage glass use (steam values are for reference only - for steam service, choose stainless steel valves). These items are considered commodity components and come without special certifications.
Gage Glass Length
(Inch)
Temperature Up To 150F Without Corrosion
(PSIG)
Steam Boiler Service up to 425F
(PSIG)
8
435
340
10
420
315
12
410
305
14
390
295
16
375
285
18
360
280
20
350
270
24
320
255
30
280
Not Recommended
36
245
Not Recommended
48
195
Not Recommended
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