Three-eccentric multi-layer Metal-to-metal Butterf
Wenwei Lan
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Basic Information
| Place of Origin | China (Mainland) |
|---|---|
| Brand Name | BOTOP |
| Standard or Nonstandard | Standard |
| Structure | Butterfly |
| Power | Manual |
| Temperature of Media | High Temperature |
| Media | Acid |
Main technology parameter Nominal diameter DN(mm) 50 2000 Nominal pressure PN(Mpa) 0.6 1.0 1.6 2.5 4.0 Ps(Mpa) Test pressure Intensity test 0.9 1.5 2.4 3.75 6.0 Seal test 0.66 1.1 1.76 2.75 4.4 Air test 0.6 0.6 0.6 0.6 0.6 Leakage <0.1XDNmm3/s Appropriate temperature Carbon steel:-29°C 425°C stainless steel:-40°C 600°C Appropriate medium Air, water, steam, coal gas, oil, alkali, saline with low corrosive service, etc. Method Worm gear, pneumatic, electric Material for main parts Parts name Material Body Cast iron,stainless steel,Cr.Mo.Steel\alloy steel Disc Cast steel,Alloy steel,stainless steel,Cr.Mo.Steel Seal ring Stainless steel,multi-layer asbestos with tempertuer resistant Stem 2Cr13, 1Cr13, stainless steel,Cr.Mo.Steel. Bearing ZG00Cr18Ni10,304 nitrification Austenite stainless steel,Cr-Mo steel Packing Flexible graphite
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