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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•	Bellows Sealed Flush Bottom Valves	•	Bellows Sealed Gate Valves	•	Bellows Sealed Globe Valves
•	Bellows Sealed Globe Valves	•	Blow off Check Valve	•	Bolted Bonnet Cast Steel Gate Valve
•	Bolted Bonnet Cast Steel Globe Valve	•	Bolted Bonnet Gate Valves	•	Bolted Bonnet Globe Valves
•	Bolted Bonnet, OS & Y Type Globe Valves	•	Bolted Cover Check Valves	•	Brass Angle Globe Valves
•	Brass Ball Valves	•	Brass Check Valves	•	Brass Dual Check Valves
•	Brass Gas Ball Valves	•	Brass Gate Valve	•	Brass Swing Check Valves
•	Bronze Ball Valves	•	Bronze Dual Check Valves	•	Bronze Flanged Gate Valves
•	Bronze Flanged Globe Valves	•	Bronze Gate Valve	•	Bronze Globe Valve
•	Bronze Horizontal Lift-Check Valves	•	Bronze Hose Globe Valves	•	Bronze Ring Check Valves
•	Bronze Silent Check Valves	•	Bronze Swing Check Valve	•	Bronze Tee Pattern Swing Check Valves
•	Butt Weld Ends Swing Check Valves	•	Butterfly Control Valves	•	Butterfly Float Valves
•	Butterfly Gate Valve	•	Butterfly Lattice Valves	•	Butterfly Valve Flange Adapters
•	Butterfly Valve Inserts	•	Butterfly Valve Liners	•	Butterfly Valve Oil Thieves
•	Butterfly Valve Operators	•	Butterfly Valve Repair	•	Butterfly Valve Rubber Sleeves
•	Butterfly Valve Spacers	•	Butterfly Valve, Soft Seated	•	Butterfly Valves
•	Butterfly Valves with Pneumatic Actuators	•	Butterfly Valves, Actuated	•	Butterfly Valves, Double Eccentric
•	Butterfly Valves, Flue gas	•	Butterfly Valves, HDPE	•	Butterfly Valves, High Performance
•	Butterfly Valves, Isolation	•	Butterfly Valves, Lined	•	Butterfly Valves, PVC, Polypropylene, Polyethylene
•	Butterfly Valves, Reconditioned	•	Butterfly Valves, Teflonr Lined	•	Butterfly Valves, Wafer Type
•	Button Check Valve	•	Carbon Steel Gate Valves	•	Carbon Steel Top Entry Ball Valve
•	Cartridge Pilot-operated Check Valves	•	Cartridge Seated Butterfly Valves	•	Casing Ball Valves
•	Cast Aluminum Butterfly Valves	•	Cast Bellow Sealed Gate Valves	•	Cast Bellow Sealed Globe Valves
•	Cast Brass Check Valves	•	Cast Ductile Iron Ball Valves	•	Cast Ductile Iron Check Valves
•	Cast Ductile Iron Gate Valves	•	Cast Ductile Iron Globe Valves	•	Cast Iron Ball Valves
•	Cast Iron Butterfly Valves	•	Cast Iron Check Valves	•	Cast Iron Detector Check Valves
•	Cast Iron Flanged Ball Valve	•	Cast Iron Gate Valve	•	Cast Iron Globe Valve
•	Cast Iron Screw-Down Check Globe Valve	•	Cast Iron Silent Check Valves	•	Cast Iron Wafer Check Valves
•	Cast Mild Steel Swing Check Valves	•	Cast Stainless Steel Swing Check Valves	•	Cast Steel Ball Valves
•	Cast Steel Butterfly Valves	•	Cast Steel Check Valves	•	Cast Steel Fixed Ball Valve
•	Cast Steel Floating Ball Valve	•	Cast Steel Gate Valve	•	Cast Steel Gate Valve (Non-Rising Stem)
•	Cast Steel Gate Valve (Rising Stem)	•	Cast Steel Parallel Slab Gate Valve	•	Cast Steel Swing Check Valve
•	Cast Steel Valves	•	Cast Steel Wafer Check Valve	•	Cast/Forged Stainless Steel Gate Valve
•	Cast/Forged Stainless Steel Globe Valve	•	Center Guided Silent Check Valves	•	Check Valve Assembly
•	Check Valve, Carbon, Stainless, & Alloy Steels