| Standard: | DIN, ANSI, GB, JIS, BSW |
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| Material: | Carbon Steel,SS304,SS316 |
| Connection: | Flange |
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| Customization: |
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Shipping Cost:
Estimated freight per unit. |
about shipping cost and estimated delivery time. |
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| Payment Method: |
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| Initial Payment Full Payment |
| Currency: | US$ |
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| Return&refunds: | You can apply for a refund up to 30 days after receipt of the products. |
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Suppliers with verified business licenses
Audited Supplier
U-ideal manufacture full range of sight glass flow indicator-Sight glasses, such as Floating ball Sight Glass,
rotating wheel sight glass, flapper sight glass, agitating ball sight glass,wipper sight glass
| Sight glasses are one of the main industrial pipe fittings. They are be used to observe pipe liquid, gas, steam etc. reaction conditions. Monitor production and to keep safe process. | ||
| (Threaded) piping sight glass | ||
| Welded thread single window sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~2.5MPa Temperature: -30ºC~180ºC,can increase to 280ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale, lighting, wiper, nozzle |
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| Welded thread sight glasses Welded thread sight glasses |
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| Lug type single plate see thru sight glasses(JIS) Nominal Diameter: DN15~50mm Pressure: PN-1.0~2.5MPa Temperature: -30ºC~180ºC,can increase to280ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale |
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| Lug shape plain threaded sight glasses flow indicator |
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| Lug Agitating balls sight glasses |
Lug type Throat plat thread sight glasses |
Lug type scale wiper & flapper sight glasses |
| Flapper- Side flapper to indicate flow in one direction; Mid-flapper to indicate flow in either direction, not suitable for vertical flows down. |
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| Casting thread sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~1.6MPa, can increase to 6.4MPa Temperature: -30ºC~180ºC,can increase to 280ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale |
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| Carbon steel thread cross sight glasses | ||
| Sintering thread sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~6.4MPa, Temperature: -30ºC~150ºC,can increase to200ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale |
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| Fused sight glasses threaded (Plain Indicator) |
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| Threaded see thru sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~1.0MPa Temperature: -30ºC~180ºC,can increase to280ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale |
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| Thread cross sight glasses (Plain-No indicator, for direct visual inspection of liquid). |
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| Eccentric Rotator-paddlewheel thread sight glasses Single window threaded sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~1.6MPa Temperature: -30ºC~180ºC,can increase to300ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls, Flapper, Throat plat, scale |
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| Eccentric Rotator-paddlewheel threaded sight glasses (used for clear media to enhance flow indication, install at any direction). |
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| Dome type Agitating balls -thread sight glasses | Hemispherical Agitating balls sight glasses Hemispherical Rotator-paddlewheel sight glasses Nominal Diameter: DN15~50mm Pressure: PN-1.0~1.0MPa Temperature: -10ºC~80ºC Standard: GB,DIN,ANSI,JIS,BS Material: carbon steel, stainless steel or others Indicator type: Rotator-paddlewheel, Agitating balls (for horizontal or vertical installation. Allow full 360o visibility from an elevated position). |
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| IN | DN | L | H | D | D1 | D2 |
| 1/2″ | 15 | 130 | 65 | 80 | 65 | 50 |
| 3/4″ | 20 | 130 | 65 | 80 | 65 | 50 |
| 1″ | 25 | 130 | 65 | 80 | 65 | 50 |
| 11/4″ | 32 | 160 | 80 | 100 | 80 | 65 |
| 11/2″ | 40 | 160 | 85 | 100 | 80 | 65 |
| 2″ | 50 | 170 | 85 | 100 | 80 | 65 |
| DN | φ d | H | L | ||
| IN | mm | ≤16MPa | ≤25MPa | ||
| 3/8″ | 10 | 65 | 75 | 140 | 160 |
| 1/2″ | 15 | 65 | 75 | 140 | 160 |
| 3/4″ | 20 | 65 | 85 | 160 | 180 |
| 1″ | 25 | 65 | 85 | 160 | 180 |
| 11/4″ | 32 | 80 | 110 | 180 | 200 |
| 11/2″ | 40 | 80 | 115 | 180 | 200 |
| 2″ | 50 | 95 | 160 | 220 | 250 |
| 21/2″ | 65 | 95 | 180 | 250 | 270 |
| 3″ | 80 | 120 | 200 | 270 | 300 |
| 4″ | 100 | 140 | 220 | 310 | 320 |
| 5″ | 125 | 165 | 260 | 360 | 380 |
| 6″ | 150 | 165 | 290 | 420 | 450 |
Suppliers with verified business licenses
Audited Supplier 
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