Shanghai J41H manufacturer and supplier of high-pressure shut-off valve

Description: 1, selected materials, in line with domestic and foreign standards, reasonable structure, beautiful shape. 2, the valve seat sealing surface using iron-based alloy or Stellite (Stellite) cobalt-based alloy cladding made of wear-resistant, high temperature, corrosion, anti-abrasion performance, long life . 4, stem quenched and the nitrogen treatment, with good corrosion resistance and scratch resistance. 5, can be a variety of standard pipe flanges and flange sealing surface types to meet various project needs and user requirements. 6, the full range of body materials, packing, gaskets, according to the actual working conditions or user requirements reasonable matching can be applied to all kinds of pressure, temperature and medium conditions. 7, inverted sealed with screw connection seal seat or body made of austenitic stainless steel welding, reliable sealing, replace the packing can be carried out without stopping the machine, convenient, does not affect system operation. 8, with a series of multi-DZW rotary electric device, with a small shell, lightweight, full-featured, and supporting the use of the remote computer, in accordance with user requirements matching electric devices. Main parts and materials, and the main purpose of the valve body bonnet valve ring stem packing Medium Temperature (≤ ℃) WCB WCB + D507MO D577 2Crl3 flexible graphite water, oil, steam 425 ZGlCrl8Ni9Ti 0Crl8Ni9Ti + Stellite12 Stellite6 lCrl8Ni9Ti PTFE nitric acid 200 ZGlCrl8Ni2Mo2Ti CF8M + Stellite12 lCrl8Ni2Mo2Ti lCrl8Ni2Mo2Ti PTFE phosphoric acids, bases, mixed acid 200 ZG00Crl7Nil4M02 CF3M + Stellite12 Stel1ite6 316L PTFE phosphoric acids, urea, ammonium carbamate solution 200 ZGlCr5MO ZGlCr5MO + Stellite12 Stel1ite6 25Cr2Mo1VA flexible graphite water, oil, steam 550 main dimensions, connecting dimensions and mass Nominal pressure PN (MPa) nominal diameter DN (mm) standard value of the reference LD D1 n2 D6 bf f1 Z-φd L1 H mass (kg) 6.4 50 300 175 135 105 88 26 3 4 4-φ23 590 710 64 65 340 200 160 130 110 28 3 4 8-φ23 590 750 77 80 380 210 170 140 121 30 3 4 8-φ23 590 785 86 100 430 250 200 168 150 32 3 4.5 8-φ25 810 837 171 125 500 295 240 202 176 36 3 4.5 8-φ30 810 1031 243 150 550 340 280 240 204 38 3 4.5 8-φ34 830 1066 296 200 650 405 345 300 260 44 3 4.5 12-φ34 830 1213 420