Baiqiang butterfly vales have center line.eccentric and tripleeccentnc types;Classified for stop adjust type and vent types,Metel seal and non-metal seal.The liner materials of centerline butterfly valve lncluding PTEF.NR.EPDM,NBR,SI.VITON.CR.IIP suitable for different temperature and medium.Eccentric butterfly valve has flexible seal,multiple-line seal and metal seal.The end connection of butterfly valve has flexible seal,multiple-line seal and metal seal.The end ceonnection of butterfly valve including wafer.double flange.butt weld lug wafer There are rich varieties of types for selection only some types are shown in fhis book.please contactus for morm information.
· Administer Standard
|
Design And Manufacture |
Face to face/
End to end |
FlangeDimension |
Pressure Temperature Lating |
Lnspection And Test |
|
API 609
ANSI B16.34 |
ANSI B16.10 |
ANSI B16.5 |
ANSI B16.34 |
API 598 |
· Pressure Test
|
Nominal Pressure |
Shell Test |
water Seal Test |
Air Seal Test |
|
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
MPa |
Lbf/in2 |
|
150 |
3.0 |
430 |
2.2 |
315 |
0.4-0.7 |
60-100 |
|
300 |
7.7 |
1110 |
5.7 |
815 |
|
600 |
15.3 |
2220 |
11.3 |
1630 |
|
900 |
23.0 |
3330 |
17.O |
2445 |
· Main Part Materials and Property
|
Body Cover Disc Hinge Slideway bush |
Stem |
Sealing Shim |
Sealing Face |
Working Temperature |
Suitable Medium |
|
WCB |
F6a |
PTFE
Enhanced Flexible graphite 1Cr13/Flexible Graphite S.S/Acid-proof asbestos Tooth profile gasket |
13Cr
STL
With Body
Material
PTFE
Nylon |
≤350℃ |
Water Steam Petroleum Products Nitric acid Acetic acid Strongey oxidable medium Urea |
|
WC1 |
304 |
|
WC6 |
|
WC9 |
|
C5 C12 |
|
CF8 |
304 |
≤200℃ |
|
CF8M |
316 |
|
CF3 |
304L |
|
CF3M |
316L | |
