Through Conduit Gate Valve
YDF full-opening through conduit gate valves are designed to satisfy the long distance transportation service of crude oil and natural gas. It is designed in accordance with API6D with DBB function, thus valve can offer bi-directional on- off services. YDF developed 2 two series of full-opening through conduit gate valves: soft seated with slab gate series and metal seated with expanded gates series. The maximum working temperature can be up to 500℃.


  Design Feature


Product Range

Fire safe design 
Low fugitive emission with TA-Luft certified
Optional slab or expanded gate design
Double block and bleed
Cavity pressure self relief
Emergency sealant injection system





150 ~2500LB (PN16~PN420)

Body Materials

Carbon Steel, Stainless Steel,


Soft Seat, Metal Seat

Gate Globe and Check Ball Valve Pipeline Valve Butterfly Valve Cryogenic Valve Other Valves
Axial Flow Check Valve
Dual Plate Check Valve
Bellow Sealed Valve
Pressure Seal Valve
API603 Stainless Steel Valve
API602 Forged Steel Valve
API600 Cast Valve
Metal Seated Ball Valve
Full Welded Ball Valve
Floating Ball Valve
Trunnion Mounted Ball Valve
Through Conduit Gate Valve
Double Offset Butterfly Valve
Triple Offset Butterfly Valve
Cryogenic Valve
Marine Valve
DBB Ball Valve (Dual Ball Side Entry)
Copyright copy; 2014. All Rights Reserved JIANGSU YDF VALVE CO.,LTD. 备案号: 苏ICP备16026116号-1