Two-way direct buried filling compensator heat resistance high temperature self-sealing oil injection maintenance-free elastic rotary compensator

CS-type heat pipe expansion joint CS-type heat pipe compensation joint CS-type heat pipe expansion device

High temperature resistant spherical joint ball joint compensator spherical expansion joint E-type spherical compensation joint

07FS02 civil air defense airtight rib basement water stop carbon steel casing wall embedded casing protective airtight casing

Flexible flat mouth drain Duckbill valve drain check valve drain check valve built-in flange rubber Duckbill valve

AF flange type gland type loose sleeve telescopic joint pipe adapter welding-Free Socket type pipe connector

Single wave/two wave/four wave/Eight wave large plate box limit compensator KXW type plate box expansion joint

ZTWB DC oil filling type medium non-thrust compensator high pressure welding type non-thrust sleeve compensator

VSSJAFC detachable double flange force transmission joint stainless steel force transmission compensation joint detachable joint

Internal support type one-way check valve 304 stainless steel bent mouth type blowdown clamp type rubber Duckbill valve

One-Way Sleeve Retractor Thermal Pipeline Flange Steam Special Maintenance-Free Two-Way Sleeve Compensator