sleeve valve

Tubes A Manchette 48mm/50mm/76mm/60mm

flanged sleeve pinch valve supplier for slurry

valve sleeve valve bush

Tunnel construction sleeve valve pipe subway split grouting pipe 50mm sleeve valve pipe

Rubber Joint, Expansion Joint, Compensator, Waterproofing Sleeve, Valve

Tunnel construction sleeve valve pipe subway split grouting pipe 50mm sleeve valve pipe

Electric control valve,single-seat valve,double-seat valve,sleeve valve

Grouting pipe (sleeve valve pipe)/grouting pipe/soft soil stratum reinforcement grouting pipe