Marine Wafer Butterfly Valves 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 China Marine Wafer Butterfly Valve with Worm Gear JIS F7480: 5-Seat: NBR, EPDM,CR,FKM,VITION,PTFE 6-Busing: PTFE 7-O ring: NBR 8-Pin: Stainless Steel

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JIS Marine Butterfly Valves for Shipbuilding

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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

China Marine Wafer Butterfly Valve with Worm Gear JIS F7480:

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