Fortune Telling Collection - Free divination - What type of joint is the tubing pair?

What type of joint is the tubing pair?

H-joint adopts O-ring sealing taper: 24 degrees.

A: Flat head.

C: concave head

D: convex head

B: ferrule

F: flange joint

K: coal mine k-joint

Q: Hollow joint

H: h h-type o-ring seal

Weifang Yongfeng Hydraulic Machinery Co., Ltd. Yang Yang