Drilling rig parts Supplier-Jining Donghong Machinery Co., Ltd

What is JLK Manual Choke Valve? JLK2-1/16"*1-3/16"-14 JLK2-1/16"*1-3/16"-21 JLK2-1/16"*1-3/16"-35 JLK2-1/16"*1-3/16"-70 JLK2-1/16"*1-3/16"-105 JLK2-9/16"*1-3/16"-14 JLK2-9/16"*1-3/16"-21 JLK2-9/16"*1-3/16"-35 JL2-9/16"*1-3/16"-70 JLK2-9/16"*1-3/16"-105 JLK3-1/8"*2-1/16"-105

The valve stem top end uses spray-welding wear-resistant alloy(or hard alloy material,and it can resist high pressure high speed liquid scou...