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High-Visibility Sights
Easily view liquid movement and level changes from a distance—these sights have an indicator ball inside the glass window. They also have a reflector that makes dark liquid easy to see, especially in low-light conditions.
Brass sights have good corrosion resistance.
UN/UNF (SAE Straight) threads are also known as O-ring boss threads; a gasket can be added to prevent leaks.
For technical drawings and 3-D models, click on a part number.
Temp. Range, °F | For Dark Liquid | ||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Pipe Size | Thread Size | Window Dia. | Hex Size | Max. Pressure | Min. | Max. | For Use With | Window Material | Seal Material | Features | Specifications Met | Each | |
Steel | |||||||||||||
NPT Male Thread | |||||||||||||
1/2 | __ | 1/2" | 1" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 000000 |
1 | __ | 1" | 1 3/8" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
1 1/4 | __ | 1 1/4" | 1 3/4" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
1 1/2 | __ | 1 1/2" | 2" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
2 | __ | 2" | 2 1/2" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
NPTF Male Thread | |||||||||||||
3/8 | __ | 3/8" | 3/4" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
3/4 | __ | 3/4" | 1" | 125 psi @ 70° F | -40° | 250° | Water, Hydraulic Fluid, Diesel Fuel | Glass | __ | Fused Window, Indicator Ball | __ | 0000000 | 00000 |
UN/UNF (SAE Straight) Male Thread | |||||||||||||
__ | 3/4"-16 | 9/16" | 7/8" | 75 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 00000 |
__ | 1 1/16"-12 | 3/4" | 1 1/4" | 75 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 00000 |
__ | 1 5/16"-12 | 15/16" | 1 1/2" | 75 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 00000 |
__ | 1 7/8"-12 | 1 7/16" | 2" | 20 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | SAE J1926/3 | 0000000 | 00000 |
Brass | |||||||||||||
NPTF Male Thread | |||||||||||||
3/8 | __ | 7/16" | 3/4" | 100 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
3/8 | __ | 7/16" | 3/4" | 415 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1/2 | __ | 9/16" | 7/8" | 100 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1/2 | __ | 9/16" | 7/8" | 250 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
3/4 | __ | 3/4" | 1 1/8" | 60 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
3/4 | __ | 3/4" | 1 1/8" | 200 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 | __ | 15/16" | 1 7/16" | 60 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 | __ | 15/16" | 1 7/16" | 100 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 1/4 | __ | 1 1/8" | 1 3/4" | 60 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 1/4 | __ | 1 3/16" | 1 3/4" | 25 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 1/2 | __ | 1 3/8" | 2" | 50 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
1 1/2 | __ | 1 7/16" | 2" | 25 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 00000 |
2 | __ | 1 7/8" | 2 1/2" | 10 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 000000 |
2 | __ | 1 7/8" | 2 1/2" | 20 psi @ 70° F | -40° | 180° | Water, Diesel Fuel, Hydraulic Fluid (Petroleum Based) | Glass | Buna-N Rubber | Indicator Ball | __ | 0000000 | 000000 |