1. We are a professional manufacture in Hardware about 10 years. We also develop and produce safety valves, water gauge valves, fittings, etc.
2. With high technical machinery equipment and experienced staff. We obtained the ISO 9001 certificate.
3. Supplying hight quality with reasonable price is the goal for us to serve you better. We are confident of reaching the goal of customer's satisfaction.
4. We also devote to research and deveopment of valves and hardware products.
5. We are welcome for further enquiries and cooperation.
Product Description
Main Technical Parameters Series 600D/620D
Nominal Diameter(mm) DN80 ~ 600
Nominal Pressure (Mpa) 1.0/1.6/2.5
Shell Testing Pressure (Mpa) Nominal Pressure X1.5
Seal Testing Pressure (Mpa) Nominal Pressure X1.1
Coated Ethylene Polyester Painting, Nylon11, Baking Vanish, Coated Ethoxyline
Actuator Hand Lever, Worm Gear, Electric, Pneumatic
Suitable Mediums Water, Salts, Acid, Alkali, Air, Oils, Food, Steam, etc Optionl Materials Main Part Material Suitable Specification Main Part Material Suitable Specification
Body Ductile Iron
Cast Iron
Cast Steel
Stainless Steel80mm~600mm Packing Flexible PTFE
Flexible GraphiteRubber 80mm~600mm
Pin Axis Stainless Steel 200mm~2000mm stem 416/316/304 Precipitation Hardening
Stainless Steel 200mm~2000mm
Disc Stainless Steel CF8/CF8M Plated Ductile Iron
Coated Ductile Iron
Ductile Iron Plated modified pottery
316L
Two-way Stainless Steel Kazakh-style Alloy
Carbon Plated 80mm~600mm Seal Ring PTFE 80mm~600mm
STRONG> Main Technical Parameters Items Selected Standard Optional Standard
Design, Manufacturing&checking ISO 10631-1991 GB/T 12238-1989
Structure Length ISO 5752-1988 GB/T 12221-1989
Flange Connection ISO 7005.2 GB 9113-1988
Valve Checking ISO 5208-1987 GB/T 13927-1992
Valve Label ISO 5209-1987 GB 12220-1989
Connection of Actuator ISO 5211-1982 GB 12223-1989
Requirements of Valve Supply _____ GB/T 12252
Note: The haolifa butterfly valves accord with not only IOS. GB but also other standards in the world. External Dimensions of Double-eccentric Butterfly Valve (600D/620D Series) Nominal Diameter L D1 D2 H1 H2 Φ 2 n- Φ 4 Φ A Φ B n- Φ D n- Φ M
600D 620D
DN80 49 114 The Figure depends on the nominal pressure confirmed by customers. 135 180 95 70 4- Φ 10 200 The Figure depends on the nominal pressure confirmed by customers. The Figure depends on the nominal pressure confirmed by customers. The Figure depends on the nominal pressure confirmed by customers.
DN100 56 127 160 200 114 70 4- Φ 10 235
DN125 64 140 188 210 127 102 4- Φ 12 270
DN150 70 140 218 220 139 102 4- Φ 12 300
DN200 71 152 282 260 175 140 4- Φ 18 375
DN250 76 165 345 290 203 165 4- Φ 22 450
DN300 83 178 408 330 242 165 4- Φ 22 515
DN350 92 190 465 368 267 254 8- Φ 18 580
DN400 140 216 535 400 297 254 8- Φ 18 660
DN450 152 222 560 420 315 298 8- Φ 22 685
DN500 159 229 612 480 348 298 8- Φ 22 755
DN600 178 267 730 560 444 356 8- Φ 33 890
Zhongke Valves located in The five stars industrial park of oubei town, wenzhou, zhejiang, floor space 10000m2, is one that collects research, develops, produces, sells in the integrative large-scale valve manufacturing enterprise. Have advanced designs and manufacturing capacity, superior production and checkout equipmen. Getting high-quality type team and perfect after-service, perfect management style. Have already passed ISO9000(CQC)system authentication of international quality.
