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What is a Coupolet?

DataTime:[1/29/2017]

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.

What is a Coupolet?

Type of Olets coupolet
Size  1/8" (6 NB) to 20" (500NB)
Standard MSS SP-97
Class   3000LB(SCH40,SCH80,STD,XS) 6000LB(SCH160,XXS)

Material

Grade
Carbon Steel  

ASTM / ASME A/SA 105 ASTM / ASME A 350 , ASTM A 181 LF 2 / A516 Gr.70 A36, A694 F42, F46, F52, F60, F65, F70

Stainless Steel

ASTM A 182, A 240 F 304, 304L, 304H, 316, 316L, 316Ti, 310, 310S, 321, 321H, 317, 347, 347H,904L 
Alloy Steel   ASTM / ASME A/SA 182 F12, A182 F11, A182 F22, A182 F5, A350 LF2, A350 LF3

Coupolet

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  

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