Profile: Zhejiang Koflow Valve Co.,Ltd. designs, develops, manufactures and markets Valve products. We specialize in machining workshops, welding heat treatment, assembly & test, physical & chemical analysis centers, and are well equipped with advanced processing & test machines. We have CNC machining centers, plasma spraying welding machines, CNC large-sized spherical machines, ultra-high frequency vacuum heat hreatment equipments, physical&chemical analysis equipments, NDE equipments and autometical painting line. We provide custom made service for non-standard valves, and produce valves in accordance with client’s design drawings.

Our main products include Gate Valve, Globe Valve, Check Valve, Ball Valve, Butterfly Valve, Plug Valve as well as Blind Valve, Blow-Off Valve, Metallurgy Valve and various Non Standard Valves. Our main matrials inlcude Carbon Steel, Stainless Steel, Alloy Steel, Monel and Alloy 20., with the nominal diameter range from 1/2" to 140" and pressure rating from 150lbs to 4500lbs. Our products are widely used in the fields of petrochemical, natural gas, petroleum, metallurgy, building, water & electricity and pharmacy.

Plug Valve Features

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•	Lined Ball Valves	•	Long Pattern Wafer Check Valves	•	Low Pressure Air Operated Butterfly Valves
•	Low Pressure Drop Check Valves	•	Lubricated Plug Valves	•	Lubricated Tapered Plug Valves
•	Luer Check Valves	•	Lug Style Butterfly Valves	•	Manual Ball Valves
•	Manual Butterfly Valves	•	Manual Gate Valves	•	Manually Operated Ball Valves
•	Marine Swing Check Valve	•	Mechanical Joint Butterfly Valves	•	Metal Seated Ball Valves
•	Metal Seated Butterfly Valves	•	Metal Seated Check Valves	•	Mixing Butterfly Valve
•	Modulating Butterfly Valve	•	Motor Operated Gate and Globe Valves	•	Motor Operated Two Way Butterfly Valves
•	Motorized Ball Valves	•	Motorized Butterfly Valves	•	Motorized Gate Valve
•	Motorized Globe Valve	•	Motorized PVC Butterfly Valves	•	Multi Flapper Check Valves
•	Needle Type Globe Valves	•	Non slam Check Valves	•	Non-Contact Check Valves
•	Non-Slam type Wafer Check Valves	•	Nylon Ball Valve	•	O-Ring Check Valves
•	Open Check Valves	•	Orbit Ball Valves	•	OS&Y Gate Valves
•	Parallel Plate Gate Valve	•	Parallel Slide Gate Valve	•	Pilot Check Valve
•	Pilot Operated Check Valves	•	Pipeline Check Valves	•	Pipeline Gate Valves
•	Piston Check Valves	•	Piston Type Check Valve	•	Plastic Check Valves
•	Plug Valves	•	Plug Valves, Cast Iron	•	Plug Valves, Ductile Iron
•	Plug Valves, Lined	•	Plug Valves, Sleeved	•	Plug/Ball Valve Lubricants
•	Pneumatic Check Valves	•	Pneumatic Globe Control Valve	•	Pneumatically Actuated Globe Valves
•	Pneumatically Actuated Plug Valves	•	Pneumatically Operated Ball Valves	•	Pneumatically Operated Globe Valves
•	Precision Plug Valves	•	Pressure Balanced Plug Valves	•	Pressure Maintaining Check Valves
•	Pressure Seal Bonnet Gate Valves	•	Pressure Seal Bonnet Globe Valves	•	Pressure Seal Cover Check Valves
•	Pressure Sealed Cover Check Valve	•	PTFE Ball Valves	•	PTFE Check Valves
•	Pump Off Check Valves	•	PVC Check Valves	•	Quarter Swing Butterfly Valve
•	Reducing Check Valves	•	Reducing Duckbill Check Valves	•	Refrigerant Check Valves
•	Regular Ductile Iron Check Valve	•	Regulator Bushing Check Valve	•	Releasable Return Check Valves
•	Release Check Valves	•	Replacement Check Valve	•	Republic Check Valves
•	Resilient Seated Butterfly Valves	•	Resilient Seated Check Valves	•	Resilient Soft Seated Butterfly Valves
•	Reverse Flow Check Valves	•	Ring Check Valves	•	Rising Plug Valves
•	Rotary Globe Control Valves	•	Rubber Seated Butterfly Valves	•	Safety Check Valves
•	Sanitary Butterfly Valves	•	Sanitary Check Valves	•	Sanitation Threaded Butterfly Valve
•	Sanitation Welded Butterfly Valve	•	Screw Compressor Butterfly Valves	•	Service Check Valves
•	Sewage Check Valves	•	Sight-Float Check Valve	•	Silent Check Valves
•	Silent Globe Check Valves	•	Single Arm Check Valves	•	Single Plate Wafer Check Valves
•	Sleeve Type Soft Sealing Plug Valve