Triple Offset Butterfly Valves

Body:  WCB, CF8,CF8M
Disc:  CF8,CF8M,CF3M
Seat:  UNS31803(duplex)+graphite
Connection:  Wafer,Flange
Size:  2″-80″
Pressure:  Class150,Class300
Flange standard: ASME B16.5 Class150,Class300; EN1092 PN16, PN25, PN40







Description

GENERAL INFORMATION

Flanged triple offset butterfly valve provides zero leakage through no-rubbing 90-degree rotation across a wide range of pressure and temperature conditions.

Widely used in many industries such as Oil & Gas, Chemical & coal, petrochemical, desalination plants, waterworks, fossils, district heating, nuclear, Iron & Steel, Mining, automotive, shipyards, aerospace.

FEATURES

  • ISO 5211 bracket for easy mounting of actuators
  • Triple offset and ellipsoidal sealing geometry
  • Bubble tight shut-off
  • Inherently firesafe by design
  • A metal seal ring in Duplex and a highly wear-resistant Stellite grade 21 seat ensure prolonged superior tightness
  • Single piece cast body with face to face dimensions to ISO5752, ASME B16.10 and API 609 double flanged short pattern, guarantees interchangeability with other valve types
  • Extensively hardened bearings, incorporating a standard reinforce, braided, flexible graphite bearing protector, ensure increased reliability
  • Blowout proof devices on shaft keep sure safety of shaft operating
  • Pin-less shaft to disc connection makes the valve convenient for parts replacement and reliable even under corrosion
ConnectionDouble flange
Size3″-80″ for PN10,PN16,Class150; 3″-48″ for PN25,PN40,Class300; 3″-24″ for Class600
PressurePN10,PN16,PN25,PN40,Class150,Class300,Class600
Flange standardASME B16.5 Class150,Class300,Class600; EN1092 PN16,PN25,PN40
Face to faceISO 5752, ASME B16.10, API609 Double flanged short pattern
Pressure testAPI 598, ISO 5208 Rate A, ANSI B16.104(ANSI/FCI 70-2)Class Ⅵ
Temperature-29°C to +538°C
OperatorLever,Gear box,Pneumatic actuator,Electric actuator

Triple Offset Butterfly Valves

No.Part nameMaterial
1BodyWCBCF8M
2aDiscWCB,CF8CF8M
2bDisc sealingUNS31803(duplex)+graphite
2cDisc sealing retainerSS304SS316
2dDisc sealing retainer screwSS304SS316
3Seat welded surfaceStellite Gr.21
4Shaft17-4 PHSS,1.4462
5Packing glandCF8
6Bottom coverSame as body
7Cover sealGraphite
8Thrust washerSS316
9BracketWCBCF8M
10Retaining ringSS304
11PackingRPTFE, Graphite
12Packing ringSS316
13BearingSS316+PTFE
14Thrust bearingSS316
15KeySS316
16BoltSS304
17BoltSS304
18BoltSS304
19NutSS304

Triple Offset Butterfly Valves

Triple Offset Butterfly Valves

SIZEABCDETop FlangeLWT(kg)
Class150PN10PN16PN25
DNINCHClass150,PN10,PN16,PN25
803″26012517.519020020020014F0711430
1004″29014117.523022022023514F0712740
1255″31015017.525525025027014F0714045
1506″33016518.528028528530017F1014050
2008″38521424.534534034036022F1015285
25010″42524324.540539540542522F10165120
30012″4902863048544546048527F12178160
35014″5253123053550552055527F12190195
40016″5453503959556558062036F14216255
45018″5803834963561564067046F16222310
50020″6404074970067071573046F16229390
60024″6904846081578084084555F25267565
70028″72052513092589591096080F30292
75030″75055013098580F30318
80032″760600130106010151025108598F30318
90036″7956601501170111511251185120F35330
100040″8157201801290123012551320130F35410
105042″8507501801345150F35410
120048″995825200151014551485180F40470
SIZEABCDETop FlangeLWT(kg)
Class300PN40
DNINCHClass300,PN40
803″26010017.521020014F0718030
1004″29012417.525523514F0719040
1255″33014418.528027017F1020060
1506″35015024.532030022F1021075
2008″4152043038037527F12230115
25010″4552383944545036F14250170
30012″4902683952051536F14270170
35014″5452944958558046F16290315
40016″5753206065066055F25310415
45018″6603416071068555F25330490
50020″7003838077575575F30350600
60024″7854428091589075F30390900
70028″8005901501035120F35430
75030″8306001801090130F35450
80032″8607202001150170F40470
90036″9407802001270180F40510
100040″9107502501240200F48550
105042″9508002501290210F48570
120048″10008502501465220F48630
SIZEABCDETop FlangeLWT(kg)
Class600PN63PN100
DNINCHClass600,PN63,PN100
803″26014517.521021523014F0718050
1004″29818524.527525026522F1019070
1255″4002003033029531527F1220090
1506″4202163935534535536F14210125
2008″4452653942041543036F14230200
25010″5053154951047050546F16250315
30012″6003624956053058546F16270435
35014″6103906060560065555F25290485
40016″6804406068567055F25310685
45018″6834608074575F30330815
50020″7955268081575F303501050
60024″885623940F353901600
70028″
75030″
80032″
90036″
100040″
105042″
120048″