SS304/316 Stainless Steel Lug Butterfly Valve

Stainless steel lug butterfly valve with handle operation   JRVAL specialized in stainless steel material lug type butterfly valve production, which have been focusing on stainless steel material butterfly valve production over 15 years, with over 300 customers from home and aborad.   Products featurers:   1) The valve stem bearing use "copper sleeve", which with good wear and corrosion resistance. Although cost is 50% higher than other materials,  prolong the service life by 60-70%; 2) Rubber seat contains over 50% rubber, with stable resilience and tension. Although the cost is 30% higher than that of similar products in the market, its service life can be extended by 1-2 years; valve seat option with PTFE, NBR, EPDM, FKM etc. 3) Material of worm gear includes gray iron, ductile iron, stainless steel, aluminum alloy, etc; 4) Based on different valve size and differnet opening torque, worm gear includes small torque, medium torque, large torque, single gear, double gear, tripple-gear etc; 5) With Different settings can be customerized, such as: Worm gear+signal, worm gear+indicator, worm gear+solenoid, worm gear+bracket, worm gear+ Siemens electric controller, worm gear+ indicator light and other configurations are avialable.                               1. Specification Parameters   1）Parameters     Nominal Diameter DN(mm) 40～1200 Nominal Pressure PN(MPa) 1.0～1.6 Nominal Pressure (MPa) Strength 1.5～2.4 Sealing Test 1.1～1.76 Main Parts Valve Body CF8/CF8M/CF3M Valve Disc Nickel Plated DI / Nylon Plated DI /CF8 /CF8M /CF3M /2507/ 2205 Valve Seat EPDM/NBR/PTFE/VITON(Fluorine rubber) etc. Connection Type Lug type                           2） Dimensions                             SIZE DIMENSIONS ΦD n-M1 H1 H2 B D0 L L1 N.W (KGS) DN40 110.00 4-M16 171.00 71.00 131.00 121 33.5 30 3.20 DN50 125.00 4-M16 181.00 70.00 131.00 121 42 32 4.70 DN65 145.00 4-M16 194.00 80.00 131.00 121 45 47 5.10 DN80 160.00 4-M16 206.00 94.00 131.00 121 45 65 5.80 160.00 8-M16 DN100 180.00 8-M16 228.50 108.00 143.50 160 52.1 91 9.68 DN125 210.00 8-M16 248.50 122.00 143.50 160 55 112 11.58 DN150 240.00 8-M20 268.50 134.00 143.00 160 56 146 11.78 DN200 295.00 8-M20 303.00 167.00 181.00 220 61 194 20.04 295.00 12-M20 DN250 350.00 12-M20 342.00 203.00 181.00 220 66 242 28.94 355.00 12-M24 DN300 400.00 12-M20 386.50 241.00 232.50 280 77 292 40.00 410.00 12-M24 DN350 460.00 12-M20 429.50 267.00 232.50 280 77 325 64.53 470.00 12-M24 DN400 515.00 16-M20 481.00 310.00 262.00 350 87 380 106.75 525.00 16-M24 DN450 565.00 16-M24 511.00 331.00 262.00 350 105 428 129.25 585.00 16-M27 DN500 620.00 20-M24 643.00 379.00 317.00 300 130 474 170.00 650.00 20-M30 DN600 725.00 20-M27 748.00 463.00 334.00 300 152 573 291.00 770.00 20-M33 DN700 840.00 24-M27 839.00 525.00 280.00 400 164 673 / 840.00 24-M33 DN800 950.00 24-M30 887.00 546.00 280.00 400 190 770 / 950.00 24-M36     2. Products Details   1) Based on different valve size and differnet opening torque, worm gear includes small torque, medium torque, large torque, single gear, double gear, tripple-gear etc; 2) With Different settings can be customerized, such as: Worm gear+signal, worm gear+indicator, worm gear+solenoid, worm gear+bracket,  worm gear+ Siemens electric controller, worm gear+ indicator light and other configurations are avialable.     Worm Gear Specification Valve Size Gear Ration Single Gear Small Torque(2-6 inches) DN50-150 24:1 Medium Torque(2-6 inches) DN50-150 24:1 Big Torque(2-6 inches) DN50-150 24:1 Medium Torque(8-10 inches) DN200-250 30:1 Big Torque(8-10 inches) DN200-250 30:1 Medium Torque(10-12 inches) DN300-350 50:1 Big Torque(10-12 inches) DN300-350 50:1 Double Gear 16 inches DN400 532:1 18 inches DN450 532:1 20 inches DN500 532:1 24 inches DN600 640:1 28 inches DN700 704:1 32 inches DN800 704:1 36 inches DN900 832:1 40 inches DN1000 832:1 48 inches DN1200 800:1                                                                                                   3. Produce Process Introduction 1）Process Flow Chart         2）Details Introduction 1. Valve body & disc casting A. Automatic wax mould machine makes wax pattern production with high efficiency, saves time also guarantees wax pattern without deforming；                     B. Automatic pulp mixer is used for shell making , the slurry is fully and evenly stirred, which makes the shell stronger, and valve body without air hole after casting;      C. Steam boiler is used for automatic de-waxing, which makes the inner cavity of the shell is clean and neat, guaranteed highly work efficiency.      D. Spectrum analyzer test each batch of valve body, ensures valve body meet with standard.      2. Machining   The machining workshop is equipped with over 20 kinds of machine tools, such as general lathe, vertical lathe, boring machine, drilling machine, etc., ensures the processing of valve bodies with different materials and sizes;                     3. Assemble Strictly control the assembly process, take every detail seriously, prevent leakage and achieve high quality valve.                        4. Inspection Different size valves equipped with special pressure testing machines, makes valve sealing performance test accurate and effective.                                       6. Quality & Service Warranty                            1) Material: We analyze the materials of valve body and disc with spectrometer, issue material test report to customers; 2) Pressure: We proceed pressure test to ensure pressure test reaches 18kg (International standard 16kgs); 3) Packing: We use plastic bubble bag, paper box and plywood box triple packing, to ensure valve surface is not scratched  and does not move during transportation; 4) Transportation: To avoid the impact of bumps and bad weather during transportation, van type trucks are used for transportation and distribution; 5) Installation guidance: We provide remote service and installation guidance, free arts are available during warranty period; 6) Technical support: We provide 7 * 24 services; Refer urgent issues, we guarantees prompt response within 24 hours and provide solution within 72 hour.