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What is a Coupolet?
A coupolet is designed for use in fire protection sprinkler systems and other low pressure piping applications. manufactured with NPT female threads for 300# service and are UL Listed and F.M. approved.
Coupolet
| 300# Female Threaded Coupolet | |||
| Nominal Outlet Size |
Dimensions | ||
| A | C | F | |
| 1/2 | 15/16 | 0.745 | 1.188 |
| 3/4 | 1 | 0.958 | 1.441 |
| 1 | 1 3/16 | 1.188 | 1.562 |
| 1 1/4 | 1 5/16 | 1.550 | 1.906 |
| 1 1/2 | 1 9/16 | 1.780 | 2.188 |
| 2 | 1 11/16 | 2.260 | 2.750 |
| 2 1/2 | 1 13/16 | 2.890 | 3.386 |
| 3 | 2 1/2 | 3.400 | 4.000 |
| 4 | 3 | 4.380 | 5.000 |
| Interchangeability or Combination of Sizes | |||||||||||
| Coupolet Outlet Size Inches |
Run Sizes | ||||||||||
| 1/2 | 1/2 | 3/4 | 1-1/4 -1 | 2-1/2 - 1-1/2 | 8-3 | 36-10 | |||||
| 3/4 | 3/4 | 1 | 2 - 1-1/4 | 6 - 2-1/2 | 36-8 | ||||||
| 1 | 1 | 1-1/4 | 2 - 1-1/2 | 4 - 2-1/2 | 8-5 | 36-10 | |||||
| 1-1/4 | 1-1/4 | 1-1/2 | 2-1/2 - 2 | 4-3 | 8-5 | 36-10 | |||||
| 1-1/2 | 1-1/2 | 2 | 2-1/2 | 4-3 | 8-5 | 16-10 | 36-18 | ||||
| 2 | 2 | 2 1/2 | 3 | 3-1/2 | 4 | 5 | 6 | 8 | 10 | 16-12 | 36-18 |
| 2-1/2 | 2-1/2 | 3 | 3-1/2 | 4 | 5 | 6 | 8 | 12-10 | 16-14 | 36-18 | |
| 3 | 3 | 3-1/2 | 4 | 5 | 6 | 8 | 10 | 12 | 14 | 18-16 | 36-20 |
| 4 | 5 | 6 | 8 | 10 | 14-12 | 16 | 18 | 20 | 24 | 36 | |
Tel No：+86-18267732328 / Email:[email protected]
Address：Longwan District, Wenzhou, Zhejiang Province, China.
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Yaang Pipe Industry Co., Ltd. is an international supplier of piping solutions for flange, butt welding fittings, socket welding fittings and threaded fittings. Our products are widely used in different industrial fields, including oil and gas, chemical industry, petrochemical industry, power plant, pulp and paper industry, environmental and water conservancy engineering, engineering projects, etc.
