Cast Iron Sight Glass BSPT
Specification Standards: Pipe Threaded end in accordance with BSPT or NPT
Application： For general and industrial services Applicable medium: water, light oil
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Product Introduction
Flapper type design See through Is device to be used visually to check the flow condition at the both sides through the transparent inside,
The oscillating amount of the flapper respondingto flux is to depend upon the flow condition enough to check easily,
Specially hardened glass and stainless steel flapper ensures to endure over load,reverse flow and endure at water hammer.
Structure Parts:
| No. | Parts | Material |
| 1 | Body | Cast iron(FC200) |
| 2 | Cap | Cast iron(FC200) |
| 3 | Glass | Tempered glass |
| 4 | Flapper | Stainless steel(SS304) |
| 5 | Gasket | Compressed asbestos fibre |
Test Requirement
| Working Pressure | 150 PSI(10 Bar) |
| Maximum Pressure | 200 PSI(14 Bar) |
| Shell Test Pressure | 300 PSI(21 Bar) |
| Applicable Temperature | <120 ℃ |
Technical Data
| Size | 1/2" | 3/4" | 1" | 1-1/4" | 1-1/2" | 2" |
| D | 15 | 20 | 25 | 32 | 40 | 50 |
| H | 65 | 76 | 86 | 107 | 117 | 138 |
| L | 93 | 98 | 118 | 137 | 142 | 156 |
| Wt(Kg) | 0.78 | 0.93 | 1.54 | 2.87 | 3.14 | 4.27 |
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