Stainless steel gate valve:The valve body,valve cover,gate plate,and gate rod are made of stainless steel material,and the sealing surface of the valve seat is made of polytetrafluoroethylene,stainless steel+hard alloy,or welded hard alloy.The packing is generally made of hard alloy,polytetrafluoroethylene,asbestos graphite,or flexible graphite.The nominal size is DN15~DN800,the working pressure is 1.6MPa~20.0MPa,the applicable temperature is≤200℃,and it is suitable for pipelines containing nitric acid and weakly corrosive media.
Product Features
1.Adopting austenitic stainless steel,it has good corrosion resistance to oxidizing acid media.
When the medium flows through the stainless steel gate valve,its flow direction does not change,and the fluid resistance is small.
3.The direction of the gate movement is perpendicular to the direction of the medium flow,with a small opening and closing torque and relatively effortless opening and closing.
4.The flow direction of the medium is not restricted,does not disturb the flow,and does not reduce the pressure.The medium can flow in any direction from both sides of the gate valve,and can achieve the purpose of use.It is suitable for pipelines where the flow direction of the medium may change.
5.The gate is vertically placed inside the valve body and has a relatively short structural length.
6.Good sealing performance.When fully open,the sealing surface is less susceptible to erosion.
Stainless Steel Flange Gate Valve Product Description
Z41H,Z41Y,Z41W stainless steel flange gate valve:manual,flange connection form,rising stem wedge rigid single gate valve,valve seat sealing surface material is stainless steel,nominal pressure PN16~PN200,valve body material is stainless steel gate valve.
The Z41W,Z41Y,and Z41H stainless steel gate valves have a compact structure,reasonable design,good valve rigidity,smooth passage,and low flow resistance coefficient.The sealing surface is made of stainless steel and hard alloy,with a long service life.They use flexible graphite packing,reliable sealing,and easy and flexible operation.Applied to pipelines of various systems in petroleum,chemical,hydraulic,and thermal power plants with working pressures of 1.6MPa~20.0MPa and working temperatures of-29℃~200℃.Suitable media include nitric acid,acetic acid,water,oil,gas,and certain corrosive liquids.
Characteristics of stainless steel flange gate valve products
①Meets the requirements of advanced domestic and international standards,with reliable sealing,excellent performance,and beautiful appearance The sealing pair is advanced and reasonable,and the sealing surfaces of the gate and valve seat are made of hard alloy welding with different hardness.The sealing is reliable,hard,wear-resistant,high temperature resistant,corrosion-resistant,scratch resistant,and has a long service life The valve stem has undergone quenching and surface nitriding treatment,and has good corrosion resistance,abrasion resistance,and wear resistance Various piping flange standards and flange sealing surface forms can be adopted to meet various engineering needs and user requirements.                       

Main performance parameters of stainless steel flange gate valve

Main component materials of stainless steel flange gate valve

Main external dimensions of stainless steel flange gate valve
Z41H, Z41Y, Z41W (PN16) stainless steel gate valves

Z41H, Z41Y, Z41W (PN25) stainless steel gate valves

Z41H, Z41Y, Z41W (PN40~63) stainless steel gate valves

Z41H, Z41Y, Z41W (PN100) stainless steel gate valves

Z41H, Z41Y, Z41W (PN160) stainless steel gate valves

Z41H, Z41Y, Z41W (PN200) stainless steel gate valves