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Soft sealing butterfly valve is used for connecting medium or adjusting the flow rate in the pipelines,the temperature of medium can be 120 degree celsius,the wor ept pressure can be 1.6 Mpa.It’s widely applied in food,medicine,chemical,petroleum,electric power,metallurgy,urban construction,textile,papermaking.,etc industrial sectors.
Main Characteristics.
- New design,unique structure,light weight,swift to open or close.
- Small operating torque,easy operating,saving effort.
- Can be installed anywhere,easy maintenance.
- Sealing part is replacable,reliable sealing,zero leakage.
- Sealing material is age-resistant and anti-corrosive,greatly prolong the service life.
Main Technical Parameters.
Nominal diameter | DN | 50-1200 | ||
Nominal pressure | PN | 0.6 | 1.0 | 1.6 |
Test pressure | Shell test | 0.9 | 1.5 | 2.4 |
Seal test | 0.66 | 1.1 | 1.76 | |
Medium | Fresh water,sewage,sea water,air,steam,food,drug,various oil,acid,alkali,salt.,etc. |
Main Parts and Materials.
Part Name | Part Material |
Body | Ductile iron,cast steel,alloy steel,stainless steel. |
Disc | Gray cast iron,ductil iron,cast steel,stainless steel and others. |
Seat ring | NBR,EPDM,PTFE and others |
Stem | Cr13,stainless steel |
Packing | Graphite or others. |
Main Extenal Dimensions.
Class | DN | L | d | Do | n-M | H | H1 | H2 |
150LB | 50 | 43 | 52.9 | 120.7 | 4-5/8 UNC | 210 | 161 | 80 |
65 | 46 | 64.5 | 139.7 | 4-5/8 UNC | 225 | 175 | 89 | |
80 | 46 | 78.8 | 152.4 | 4-5/8 UNC | 235 | 181 | 95 | |
100 | 52 | 104 | 190.5 | 8-5/8 UNC | 250 | 200 | 114 | |
125 | 56 | 123.3 | 215.9 | 8-3/4 UNC | 265 | 213 | 127 | |
150 | 56 | 155.6 | 214.3 | 8-3/4 UNC | 276 | 226 | 139 | |
200 | 60 | 202.5 | 298.5 | 8-3/4 UNC | 320 | 260 | 175 | |
250 | 68 | 250.5 | 362 | 12-7/8 UNC | 0571 | 292 | 203 | |
300 | 78 | 301.6 | 0571 .8 | 12-7/8 UNC | 400 | 337 | 242 |
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The use of original equipment manufacturer’s (OEM) part numbers or trademarks , e.g. CASE® and John Deere® are for reference purposes only and for indicating product use and compatibility. Our company and the listed replacement parts contained herein are not sponsored, approved, or manufactured by the OEM.
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