China Raised Sounding Pipe Head:
Sounding Pipe Head is called as inject head, brass plug, sounding head, sounding plug. There are type A, type B and Type C. Type A is the flush inject head for steel deck, Type B is the inject head for wood deck, Type C is the raised inject head.
Technical Specification:
Standard: CB/T3778-1999
Test: seal test with the water pressure 0.11Mpa, and last for 5minutes.
Surface: black oxide finish
Material:
1-Body: WCB
2-Cover: Brass
3-Gasket: NBR
4-Welded Plate: WCB
Main Size List(mm):
| DN | H | D1 | a | B | d | Weight(kgs) |
| 40 | 60 | 73 | 34 | 6 | M45*3 | 0.9 |
| 50 | 65 | 92 | 34 | 6 | M60*3 | 1.1 |
| 65 | 70 | 108 | 34 | 6 | M76*3 | 1.62 |
| 80 | 75 | 122 | 55 | 10 | M90*3 | 2.41 |
| 100 | 80 | 142 | 55 | 10 | M115*3 | 4.02 |
| 150 | 100 | 198 | 55 | 10 | M165*3 | 9.18 |