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Marine Wafer Butterfly Valve with Worm Gear JIS F7480

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Details

China Marine Wafer Butterfly Valve with Worm Gear JIS F7480:

Design Standard: JIS F7480-1996

Size: DN40-DN1200

Max Working Pressure: 5K/10K/16K

Top Flange: ISO5211

Operation Type: Lever or Worm Gear

Main Material:

1-Body: Cast Iron, Ductile Iron or Cast Steel

2-Stem: Stainless Steel

3-Disc: DI or WCB with galv, Stainless Steel, Bronze

4-Gear: Ductile Iron

5-Seat: NBR, EPDM,CR,FKM,VITION,PTFE

6-Busing: PTFE

7-O ring: NBR

8-Pin: Stainless Steel

The Service Temperature for Seat Material:

Rubber Seat Material Service Temperature range ℃ Kind of Fluid
NBR 0-70 sea water, fresh water, bilge, ballat,liquefied gas,lubricating oil,fuel oil,cargo oil,hydraulice oil
CR 0-70 air
EPDM 0-120 sea water, fresh water, acid gas
FKM 0-90 cargo oil

Main Size List(mm):

Size A B C D d0 K E 4-d L D1 4-⌀ B1
40 120 70 34 41.8 12.6 65 50 7 26 105 19 11
50 140 80 42 52.9 12.6 90 70 10 30 120 19 11
65 150 89 44.7 64.5 12.6 90 70 10 30 140 19 11
80 158 95 45.2 78.8 12.6 90 70 10 30 150 19 11
100 176 114 52 104 15.77 90 70 10 30 175 19 11
125 190 127 54.4 123.3 18.92 90 70 10 30 210 23 14
150 211 139 55.8 155.1 18.92 90 70 10 30 240 23 14
200 235 176 60.6 202.5 22.1 125 102 12 40 290 23 17
250 265 203 65.6 250.5 28.45 125 102 12 40 355 25 22
300 305 242 76.9 301.5 31.6 125 102 12 40 400 25 22

*The size is for 10K for your reference.

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