Haiqiao Yap Valve Manufacturing Co. [DMZ73X / DMZ73F / DMZ73H / DMZ73Y covered knife gate valve / gas knife gate] manufacturers, has substantial cash to ex-factory sales! Adhere to the "quality first, integrity management" purposes, to provide customers with affordable products and perfect service, welcome to buy! DMZ73XFHY covered knife gate Details: I. Features: Cover knife knife gate valve, also known as gas, DMZ73X / DMZ73F / DMZ73H / DMZ73Y covered knife gate valve / gas knife gate valve for flat plate-like structure, with the pipe on the folder connection, single gate gate, side seal and valve seat, wedge contact between the back and the body on the other side, the sealing surface with medium flow relative. The wedge-shaped contact structures are located at the back of the sealing surface of the wedge clamping block, the other side of the body corresponding adjustable clamping block located at the top wire. Cover knife gate valve having a valve structure is shorter, lighter weight, seat sealing surface can be washed from the media, the sealing surface pressure evenly, fit tight in the closing process can seat sealing surface of dust, tar such as blown away as well as to facilitate drainage, etc. to prevent media leaks. Suitable for use in gas pipelines containing dust or tar in. Second, the main performance specifications: Nominal pressure 1.5 MPa Shell test Seal test 1.1 ≤ 80 ℃ operating temperature PTFE sealing rubber ≤180 ℃ ≤425 ℃ using medium hard seal pulp, sewage, gas, ash, coal slurry and other three main components Material: Body, cover carbon steel, stainless steel gate stainless steel stem rubber seals, PTFE, stainless steel, alloy four main external connection size: Nominal pressure PN (MPa) nominal diameter DN (mm) LD D1 D2 H NM Do 1.0 150 70 280 240 210 475 8-M20 280 200 80 335 295 265 540 8-M20 360 250 85 390 350 320 630 12-M20 360 300 100 440 400 368 780 12-M20 400 350 100 500 460 428 885 16-M20 400 400 110 565 515 482 990 16-M22 400 450 120 615 565 532 1100 20-M22 530 500 130 670 620 585 1200 20-M22 530 600 140 780 725 685 1450 20-M27 600 700 165 895 840 800 1700 24-M27 600 800 190 1010 950 905 2000 24-M30 680 900 200 1110 1050 1005 2300 28-M30 680 1000 1220 1160 115 2780 28-M33 with electric 1200 1450 1380 1325 3360 32-M36 1400 1675 1590 1525 3920 36-M39 1600 1915 1820 1750 4480 Yap on 40-M45 Haiqiao valve to provide you with professional [DMZ73X / DMZ73F / DMZ73H / DMZ73Y covered knife gate valve / gas knife gate] solution, if there is any doubt, we will be dedicated to to answer your questions! This article is all text, data, pictures are for reference only, if you need to know more details of the performance parameters, structure, size, price, etc., please contact us!