Flanged butterfly valve

Body:   ASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
Disc:  ASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
Stem:  SS420,SS431
Body style:   Flange
Nominal diameter:   2″ – 88″ (DN50mm – DN2000mm)
Top flange:  ISO5211
Operating pressure:  16bar for DN50-DN300, 10bar for DN350-DN2200







Category:

Description

Double flanged butterfly valve features a bonded liner extending over the flanges. The double flange design is suitable for high pressure loading and for use in heavy industry, shipbuilding, severe vacuum applications and water treatment industry like potable water, water treatment and wastewater applications.

FEATURES
1,ISO5211 top flange together with stem heat suitable for direct mounting of actuators
2,Stem anti-blowout design keep safety in field use
3,Bonded seat protects the body and shaft out of contact with medium
4,No exposed pins or bolts for stem-to-disc connection
5,Single flange mounting is possible
6,Can be installed in any desired position
7,Bubble-tight shut off at full pressure rating
8,Large flow capacity and enough strength

PARTS LIST AND MATERIAL SPECIFICATION

NO.Part nameMaterial
1BodyASTM A536 65-45-12, WCB, CF8M
Bonded with NBR or EPDM
2DiscASTM A536 65-45-12 Nylon coated, CF8, CF8M, 2507, 1.4462
3StemSS420,SS431
4ScrewSS304
5RetainerSS201
6Weather sealNBR
7BearingRPTFE with Graphite on I.D.
8Lower StemSS420, SS431
9Bottom coverSame as body
10BoltSS304
11ScrewSS304

TECHNICAL DATA

Body styleFlange
Nominal diameter2″ – 88″ (DN50mm – DN2000mm)
Top flangeISO5211
Operating pressure16bar for DN50-DN300, 10bar for DN350-DN2200
Temperature range-20 °C to + 140 °C (depending on pressure, medium and material)
Flange accommodationEN 1092 PN 6/PN10/PN16
ASME Class 150AS 4087
PN10/ PN16JIS 5K/10K
ApplicationsPotable Water, Wastewater, Seawater, HVAC
OperationHand lever, gear box, pneumatic actuator, electric actuator

SIZEABCDEFndGJLWT(kg)
DNINCH
502″1428013.51659504870151089
652 1/2″1558913.518595048701511210
803″1619513.520095048701711412
1004″18011413.52291170410901712716
1255″19312717.52541470410901914024
1506″20513917.52851470410901914029
2008″25017524.5343171024121252115239
25010″28220325406221024121252316560
30012″32624225483221024121252417882
35014″358267305332712541415024190108
40016″380301305972712541415028216145
45018″422381396403614041817533222183
50020″479387397103614041817540229230
60024″562457498404616542221040267303
70028″5604659591063.3525481830040292410
75030″6105089598463.3525481830043308552
80032″62051995102563.3525481830043318610
90036″69257613011257525481830046330750
100040″73564013012558525482230050410945
110044″813735150135585254822300534501120
120048″9177831501485105298822350574701350
140056″10009252001685120356832415605301700
150060″10509502001820140356832415785702000
160064″115010452001930140356832415656002500
180072″126011562802130160406840475706703500
200080″136313502802345160406840475757604000
220088″1500143030025551804831240560856364500