General Description: KOS Through conduit gate valves are designed for oil & gas pipeline service. Featured with double block and bleed function, it is suitable for bi-directional flow isolation. We have 2 main series: Slab gate & Expanding gate with maximum working temperature up to 500 ºC.

Basic Design:  API 6D

Face to Face (End to End):  ANSI B16.10

End Connection:  ANSI B16.5, MSS SP-44/ASME B16.47

Test & Inspection:  API 598 / API 6D

Size:                   2" ~ 48" (DN50 ~ DN1200)
Rating :                ANSI 150lb ~ 1500lb (PN16 ~ PN250)
Body Materials:         Carbon Steel, Stainless Steel, Chromium Moly Alloy Steel
Trim:                   Soft seal, Metal seal
Operation:              Gear, Motor, Pneumatic operated

Fire safe design
Low emission control
Slab gate or Expanding gate
Double block & bleed
Self cavity relief
Emergency Sealant injection

Petrochemical

Geothermal plant
General Industry

Oil & gas pipe line service