Dual-fitting body (JB/ZQ4430-86), welding joint body (JB/ZQ4431-86), material: 35# steel

Tag Examples:
(a) Bidirectional union body with nominal diameter DN 40mm: Union body 40 JB/ZQ4430-86
(b) Welding joint body with nominal diameter DN 40mm: Joint Body 40 JB/ZQ4431-86

Conical Seal Steel (and Cotton) Woven Hoses Assembly JB/T(6142.1~.4)-92

Conical sealantPipe couplingSteel braided hose fittings for oil, gas, and water mediums. Medium temperature: oil -30～+80℃; air -30～+50℃; water below +80℃.
Marking Example: (a) 6III-1000, Nominal Pipe Size DN6, L=1000mm, Working Pressure 40MPa, Conical Seal III Layer Steel Wire Braid Hose Assembly
Flexible hose assembly with锥密封cotton braided hose, nominal bore DN10, D=22mm x 1.5, L=1000mm, working pressure 1.5MPa: Hose Assembly 10/M22 x 1.5-1000