As a valve manufacturer,  COVNA manufactures ball valve, butterfly valve, check valve, gate valve, globe valve, safety valve, pressure reducing valve, Y strainer for your projects for medium control.
● Any special requirements of manual valve, please consult us and we will help you select the right valve and save your cost and time.
● Any special requirements of manual valve, please consult us and we will help you select the right valve and save your cost and time.
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 COVNA Manual Rising Stem Knife Gate Valve
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 COVNA HK59-D-D Cast Steel Flange Pneumatic Knife Gate Valve
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 COVNA HK60-Z-S Multi-turn Electric Actuator Knife Gate Valve
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 Cast Iron Multi-Turn Electric Gate Valve
- 
 COVNA Manual Operated Double Flange Butterfly Valve
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 Rubber seat wafer type bare shaft stainless steel handle butterfly valve
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 Stainless steel sanitary clamp welding thread sanitary butterfly valve
- 
 COVNA Knife Gate Valve
- 
 J11 Gate Valve
- 
 Z11 Globe Valve
- 
 HK102 Flange Butterfly Valve
- 
 HK101 Wafer Butterfly Valve
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