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Tubular Level Gages
> 3/4" NPT 316 Stainless Level Sight Glass Valves (w/ Optional Gage Glass)
3/4' NPT 316 Stainless Level Sight Glass Valves (w/ Optional Gage Glass)
3/4" NPT 316 Stainless Level Sight Glass Valves (w/ Optional Gage Glass)
Price
Your Price:
$475.00
Availability:
Stock Status:
In Stock.
Stock Quantity:
8
Part Number:
Q175-DD
Vessel Connection:
3/4 inch MNPT
Gauge Glass Diameter:
3/4 inch
Valve Body Material:
316 Stainless Steel Steel
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) [+$31.03]
12" to 18" (Glass & Guard Rods) [+$40.92]
18" to 24" (Glass & Guard Rods) [+$58.95]
24" to 30" (Glass & Guard Rods) [+$73.45]
30" to 36" (Glass & Guard Rods) [+$85.34]
36" to 42" (Glass & Guard Rods) [+$100.01]
42" to 48" (Glass & Guard Rods) [+$114.68]
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. Use with oils or petrochemical liquids, as well as water and steam. Please check your process fluid's compatibility with Buna seal materials.
The following pressure values are for industry standard high pressure gage glass use.
Gage Glass Length
(Inch)
Temperature Up To 150F Without Corrosion
(PSIG)
Steam Boiler Service up to 425F
(PSIG)
8
425
315
10
410
310
12
400
300
14
385
290
16
370
280
18
355
275
20
345
265
24
315
250
30
275
Not Recommended
36
240
Not Recommended
48
190
Not Recommended
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