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Armored Gauges Also Available |
Liquid Level Water Gauges
Conbraco, Clark Reliance, Jerguson, Penberthy
***INSTALLATION GUIDE FOR TUBULAR LIQUID
LEVEL GAUGES***
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Boiler trims and water columns from Clark Reliance |
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20-200 & 20-250 Series
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 Heavy Pattern
Bronze Water Gauges
All standard 20 Series features but with a heavier valve body pattern for higher service ratings.
Available with 3/8, 1/2, and 3/4 male NPT fittings
Ball checks standard on 20-250 models
Polished finish on 25-200 valves
Rated: 200 psig @ 400°F, 400 psig @ 100°F |
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20-300 & 20-350 Series
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 Square Pattern
Bronze Water Gauges
Available with 1/2" (ASTM B-16 brass bar stock) or 3/4" (B-584 cast bronze) NPT male pipe connections. Four guard rods and EPDM gauge glass gaskets standard. Other packings available.
Standard 1/4" needle drain valve in lower arm Pet cock or Apollo ball valve drain on request Ball checks standard on 20-350
Rated: 200 psig @ 400°F, 400 psig @ 100°F |
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20-400 Series
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 Side Mounted Handwheel
Water Gauges
Side-mounted handwheels allow water gauge operation in hard to reach places; with all the 20 Series design features.
Ideal forconcealed jacketed type boilers
Brackets and guard rods standard: 20-407, 20-408
EPDM standard gauge glass gaskets Compact requires minimum space Rated: 125 psig @ 350°F, 300 psig @ 100°F |
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24-600 & 24-650 Series
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 Chain Lever
Water Gauges
Lever on standard 12-foot chain allows operator to open and close valves that would be beyond reach. Valve stems operate on quarter-turns.
Rated: 250 psig @ 400°F, 500 psig @ 100°F
Use on large boilers with inconvenient columns
Automatic and non-automatic models Furnished with 12 feet of chain |
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20-800 Series
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 Bronze Expansion
Tank Gauges
Use for all types of liquid level verification; available with 3/8" or 1/2" NPT male pipe connections. Aluminum or plastic composition hand wheels; EPDM gauge glass gaskets standard.
Ball checks standard for 20-800 models Available with shank lengths to 1 3/4" Equipped with two brass guard rods
Rated: 125 psig @ 350° F, 300 psig @ 100°F |
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20-700 & 20-710 Series
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 Bronze Expansion
Tank Gauges
Available with 3/8" or 1/2½", male NPT connections; EPDM gauge glass gaskets and ¼1/4" needle drain valve in lower arm are both standard.
20-710 has plug in top arm to insert
glass straight through 1/4" pet cock or Apollo
ball valve. Rated: 125 @ 350°F, 300 psig @ 100°F |
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23-600 Series
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 Stainless Steel
Expansion Tank Gauges
Holds all 316 stainless steel-compatible liquids. In lower arm shut-off valve and stainless steel drain valve.
250 psig @ 406°F: maximum working pressure
Two stainless steel guard rods
High pressure glass standard |
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24-300 Series
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 Bronze Liquid
Level Gauges
Automatic and non-automatic direct reading gauges in shank pipe sizes 1/2" and 1/4".
Heavy pattern bronze valve body
Guard rod bracket to accommodate four guard rods Drain valve - 5/16 diameter full-blow ball valve with safety handle PTFE reinforced gauge glass gasket and stem packing are standard High pressure gauge glass gaskets are standard Automatic- conforms to ASME power boiler code requirements for automatic water gauges - ball checks in upper and lower arms Rated: 500 psig @ 100°F, 250 psig @ 400°F |
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23-400 & 23-450 Series
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 Stainless Steel Liquid
Level Gauges
Ideal for handling alcohol solvents, acetic acid and ketones. Automatic models conform to ASME requirements; aluminum and composition handwheels.
PTFE reinforced gauge glass, stem packings
Chemical resistant PTFE seat
5/16" dia. Full flow all SS drain valve with safety handle
Guard rod bracket to accommodate four SS guard rods
Rated: 500 psig @ 450°F
High pressure gauge glass standard |
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Gauge Glass Protector
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 Reduces risk of injury and damage from broken exploding glass; maximum length: 50".
No. I-2733* 5/8" Glass Protector
No. I-2734* 3/4" Glass Protector
Made to fit most water gauges
Not available on 23-400, 23-650, 24-300; 24-600 models
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Safeguard
Armored Tubular Liquid Level Gauge
