Mass production Z41HW series professional manufacturer wedge gate

Product Overview: High pressure valve flange connections for nominal pressure PN1.6 ~ 16.0MPa, work temperature ≤-29 oil, the pipeline industry, water, fire power plants of various systems ℃ ~ 550 ℃, and cut off or connected line media. Applicable medium: water, oil, steam, and acid, alkali, ammonia, urea, sulfur and natural gas. Operating modes: manual, gear transmission, electric, pneumatic. Features: 1, selected materials, in line with domestic and international standards, high overall quality of the material. 2, in line with the requirements of domestic and foreign advanced standards, reliable sealing, excellent performance and attractive appearance. 3. Sealing pair advanced and reasonable, gate and seat sealing surface with different hardness Stellite (Stellite) cobalt-based alloy cladding made, reliable sealing, high hardness, wear resistance, high temperature, corrosion good anti-abrasion performance, long life. 4, stem quenched and the nitrogen treatment, good corrosion resistance, scratch resistance and abrasion resistance. 5, flexible wedge gate structure, medium and large caliber set thrust bearings, friction force is small, and with a striking hand wheel, open and close with ease. 6, can be a variety of standard pipe flanges and flange sealing surface forms to meet various project needs and user requirements. Product components materials Z41H, Z41Y, Z41W type PN16 ~ PN200 steel wedge gate valve parts Material Model Material Body, bonnet, gate valve stem seal surface packing Z41H-16C, 25 carbon chromium stainless steel welding iron base flexible graphite or graphite alloy asbestos Z41Y-16C, 25 surfacing carbide Z41W-16P, 25P chromium nickel-titanium-chromium-nickel stainless steel body material titanium graphite or flexible graphite asbestos Z41Y-16P, 25P surfacing carbide Z41W-16R, 25R chrome-nickel stainless steel, molybdenum and titanium, molybdenum and titanium chrome-nickel stainless steel body material Z41Y-16R, 25R surfacing carbide Z41Y-16I, 25I-chromium-molybdenum alloy steel chrome molybdenum alloy steel welding carbide Z41Y-16V, 25V chrome molybdenum vanadium steel chrome molybdenum vanadium alloy steel welding flexible graphite Z41H-40 ~ 200 chromium stainless steel or alloy steel + Cr13 flexible graphite Z41H-40I ~ 200I-chromium-molybdenum alloy steel alloy steel + flexible graphite Z41H- 40P ~ 200P chrome-nickel stainless steel, stainless steel or titanium carbide steel + flexible graphite Z41H-40R ~ 200R chrome-nickel stainless steel, molybdenum and titanium or stainless steel + flexible graphite Carbide