Flowserve Butterfly Valve
Basic Info Of Butterfly valves
suitable for flanges DIN/BS EN1092 -1 PN10/PN16/,ANSI Class125/Class150,etc.
Face to face dimensions:EN558-1 series 20(Wafer short)EN558-1 sereis 16(Wafer long)| DN | 700 | 800 | 900 | 1000 | 1200 |
| Wafer short(mm) | 165 | 190 | 203 | 216 | 254 |
| Wafer long(mm) | 229 | 241 | 241 | 300 | 350 |
Products Specification about Flowserve Butterfly Valve
| BODY MATERIALS:As the body is internally fully rubber lined, the body material is protected from corrosion by the medium. | |||
| Type of material | Material standard | Example for application | |
| Ductile iron | GGG40, DIN 1693 | General application | |
| 60-40-18,ASTM A536 | |||
| 400-18, BS 2789 | |||
| Ductile iron(Heat treated) | GGG40.3 DIN 1693 | Heavy applications, Cold applications, petrochemical industries, power stations, alternative for cast steel | |
| Cast stainless steel | CF8, ASTM A351 | Medicine, food, drink | |
| CF8M, ASTM A351 | |||
| Bronze | C-CuSn10Zn, DIN 1705(RG10) | Marine service | |
| C90500, ASTM B584 | |||
| LG1, BS 1400 | |||
| DISC MATERIALS:As the disc is in direct contact with medium, the material should be carefully selected | |||
| Type of material | Material standard | Example for application | |
| Ductile iron nickel plated | GGG40, DIN 1693 | Air, non corrosive hot or cold water | |
| 60-40-18,ASTM A536 | |||
| 400-18, BS 2789 | |||
| Ductile iron nylon coated | GGG40, DIN 1693 | Potable water, water(max. 70°C, PH value between 4.5 and 9) | |
| 60-40-18,ASTM A536 | |||
| 400-18, BS 2789 | |||
| 400-18, BS 2789 | |||
| Ductile iron, PTFE coated | GGG40, DIN 1693 | Acids, alkalis, oil, water, air | |
| 60-40-18,ASTM A536 | |||
| 400-18, BS 2789 | |||
| Cast stainless steel | CF8M, ASTM A351 | Potable water, demineralized water, solvents, industrial water, not recommended for sea water, gas | |
| Duplex stainless steel | 1.4462, EN 10088 | Potable water, cooling water, sea water, demineralized water, solvents, foodstuff | |
| A181, Grade F51 | |||
| Aluminum bronze | G-CuAl10Ni, DIN 1714 | Sea water, potable water, gas | |
| C99500, ASTM B148 | |||
| AB2, BS 1400 | |||
| Hastelloy-C | A494, CW-12MW | Phosphoric, hypochloric, acetic, formic, sulfurous | |
| SHAFT MATERIALS:Materials for shafts are selected on the basic of disc materials | |||
| Type of material | Material standard | in combination with disc materials | |
| Stainless steel | SS410 | Stainless steel, ductile iron | |
| High strength stainless steel | 1Cr17Ni2 | Stainless steel, ductile iron | |
| ASTM A431 | |||
| Stainless steel | SS316 | Stainless steel, ductile iron, aluminum bronze | |
| Aluminum bronze | CuA10Ni5Fe4, DIN 17665 | Aluminum bronze | |
| C63000, ASTM B150 | |||
| Monel | NA18, BS 3076 | Aluminum bronze(high pressure application) | |
| Hastelloy C276 | ASTM B574, N10276 | Hastelloy-C | |
| SEAT MATERIALS:It is essential for each individual case that the selection of the type of rubber complies with medium characteristics | |||
| Type of material | Material standard | Temp.range | Example for application |
| Nitrile rubber | NBR | 0°C~90°C | Aliphatic hydrocarbons(fuels, low aromatic containing oils, gasses), sea water, compressed air, powders, granular, vacuum, gas supply |
| Ethylene-propylene rubber | EPDM | -20°C~110°C | Water in general (hot-, cold-, sea-, ozone-, swimming-, industrial-, etc). Weak acids, weak salt solutions, alcohols, ketones, sour gasses, sugar juice |
| Special ethylene-propylene rubber | Special EPDM | -10°C~70°C | Potable water, foodstuffs, unchlorined drinking water |
| Special ethylene-propylene rubber | Special EPDM | -30°C~120°C | HVAC, chilled water, food stuffs & sugar juice |
| Viton | Viton | 0°C~200°C | Many aliphatic, aromatic and halogen hydrocarbons, hot gasses, hot water, steam, inorganic acid, alkali |
| Special viton | Special viton | 0°C~130°C | Concentrated acids |
| PTFE | PTFE | 10°C~155°C | Fit for acids, alkalis, oil, not fit for low temperature |
| NOTE:For use in fluids containing ammonia,all valve parts made from non copper containing materials. | |||
Quality Control About Flowserve Butterfly Valve
Packing and Loading about Flowserve Butterfly Valve
Pre-Sales Service
* Inquiry and consulting support
* Sample testing support
* View our Factory
After-Sales Service
* Training how to instal the machine, training how to use the machine.
* Engineers available to service machinery overseas.
*For example: We took vedio to instruct our customer to replace disc and seat into different material at their own place if needed or install at site
Company respected "practical, hard work, responsibility" spirit of enterprise, and to integrity, win-win, creating business ideas, to create a good business environment, with a new management model, perfect technology, attentive service, excellent quality of basic survival, we always adhere to customer first intentions to serve customers, persist in using their services to impress clients.
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