Product Description
Wafer Type Pinless Non-backed Seat Butterfly Valve
Wafer Type Butterfly Valve
BS/DIN/ANSI/JIS Wafer Type Butterfly Valve
Product Feature
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Technical Parameters
| Nominal diameter(mm) | 50~300 | 50~300 | ||
| Nominal pressure(Mpa) | 1.0 | 1.6 | ||
| Testing pressure | Shell(Mpa) | 1.5 | 2.4 | |
| Seal(Mpa) | 1.1 | 1.76 | ||
| Suitable temperature | -40°C~200°C | |||
| Suitable medium | Drinking water,sewage,seawater,food,medicines,gas,oil | |||
Main Raw Material
| Body | Disc | Stem | Seat | Actuator |
| Cast iron | Plated ductile iron | Stainless steel | EPDM/NBR | lever |
| Ductile iron | CF8 | WRAS-EPDM | gearbox and handwheel | |
| Carbon steel | CF8M | Viton | Electric | |
| Stainless steel | Aluminum bronze | customised | Silicon | Pneumatic |
| PS:1. Non-backed replaceable seat 2.Pinless Nylon disc/Epoxy disc | ||||
Reference Standard
| Design standard | API 609 | |||
| Testing standard | API 598 | |||
| Top flange standard | ISO5211 | |||
| End flange standard | DIN PN10 / PN16,ANSI 125# / 150#,BS4504 PN10 / PN16,JIS B2220 10K | |||
| Face to face standard | API 609,EN558-1 20 Series,BS5155,DIN3202 K1 | |||
Overall Dimension and Weight
| Size | A | B | D | Top Flange | ΦE | DIN PN10 | DIN PN16 | ANSI 150# | Weight(kg) | |||
| N-Φd | ΦD | N-Φd | ΦD | N-Φd | ΦD | |||||||
| DN50 | 216 | 142 | 43 | F05 | 65 | 4-18 | 125 | 4-18 | 125 | 4-19.0 | 120.6 | 3.37 |
| DN65 | 235 | 154 | 46 | F05 | 65 | 4-18 | 145 | 4-18 | 145 | 4-19.0 | 139.7 | 4.11 |
| DN80 | 266 | 171 | 46 | F05 | 65 | 8-18 | 160 | 8-18 | 160 | 8-19.0 | 152.4 | 4.70 |
| DN100 | 296 | 184 | 52 | F07 | 90 | 4-18 | 180 | 4-18 | 180 | 4-19.0 | 190.5 | 6.20 |
| DN125 | 340 | 213 | 56 | F07 | 90 | 4-18 | 210 | 4-18 | 210 | 4-22.4 | 215.9 | 7.85 |
| DN150 | 366 | 226 | 56 | F07 | 90 | 4-22 | 240 | 4-22 | 240 | 4-22.4 | 241.3 | 10.70 |
| DN200 | 420 | 253 | 60 | F10 | 125 | 4-22 | 295 | 4-22 | 295 | 4-22.4 | 298.4 | 15.60 |
| DN250 | 486 | 292 | 68 | F10 | 125 | 4-22 | 350 | 4-26 | 355 | 4-25.4 | 361.9 | 20.90 |
| DN300 | 580 | 337 | 78 | F10 | 125 | 4-22 | 400 | 4-26 | 410 | 4-25.4 | 431.8 | 35.20 |
Why Choose US
We are a professional manufacturer and supplier of valves, pipes and fittings which are widely used for water, oil and gas pipe lines
We have been supplying the valves and fittings to Europe, Asia, Middle East countries and Amercian markets for 15 years
Our factory has obtained ISO9001, CE0035 and API approval certificates for our valves and fittings made of iron, steel and copper alloy with design to DIN, BS, ANSI, JIS standard
We can also manufacture valves and fittings according to client's design
We test leakage of each roll before braiding, then we cut 300mm and crimp it to test
burst pressure after brading.
We use CNC Lathes Machine for end fittings production. Machine system, knife and inspection
tools are all imported from Japan.
We use Techmaflex Crimping Machine which is imported from France. This machine has
accurate and stable performance for crimping because it is produced for PTFE hose crimping only.
Our service
We promise the quality for 24 months and also supply custom service
Long service life. Standing the test of thousands opening/closing operation.
Wide selection of materials, applicable for various media.
Our workshop
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