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> 제품소개 > 버터플라이 밸브

MV-28

H/Performance, 10K, 20K, 150#, 300#

SIZE : 3/4″~ 40″

Type of body	: Wafer
Flange	: JIS 10K / 20K, ANSI 150 / 300, PN 16 / 25
Max. Pressure	: 10, 20, 30㎏/㎠

- Material :
Body : Ductile iron, Cast Steel, Stainless Steel (304, 316)
Disc : Stainless Steel (304, 316 & 316L)
Stem : Stainless Steel (304, 316 & 316L)
Seat ring : EPDM, PTFE, RTFE, Metal
- Face to face dimension :
ISO 5752, API 609, MSS SP-68,
DIN 3203/K1 (Short)
- Double eccentric (Double offset) disc
- Vacuum equipment (up to 10-5 Torr)
- Max. Temperature :
EPDM : -20℃ to +120℃
PTFE : -60℃ to +160℃
RTFE : -60℃ to +200℃
Metal : -120℃ to +450℃
- Operator :
Lock lever (3/4″~ 6″)
Worm gear (3/4″~ 40″)

OPTION
- Long bonnet
- Lugged body (1″~ 6″)

Features

Body Shell Test	30㎏/㎠ (Hydraulic)
Seat Leak Test	10K ... 14㎏/㎠ (Water) 20K ... 24㎏/㎠ (Water) 300LBS ... 36㎏/㎠ (Water)

FLOOR PLAN

MV - 28 (L)	MV - 28 (G)

LOCK LEVER TYPE (DIMENSIONS) (JIS 10K / 20K, ANSI 150), (UNIT : mm)

SIZE		ød	L	H1	H	W	WEIGHT (kg)
Inch	mm	ød	L	H1	H	W	WEIGHT (kg)
3/4", 1"	20, 25	28	33	50	151	221	2.3
1-1/4", 1-1/2"	32, 40	37	33	63	156	221	2.9
2"	50	49	43	83	159	223	3.9
2-1/2"	65	62	47	94	180	223	4.5
3"	80	73	48	102	190	223	6.2
4"	100	95	54	117	210	223	7.3
5"	125	122	57	135	229	263	11.0
6"	150	141	57	155	249	263	16.5

WORM GEAR TYPE (DIMENSIONS) (JIS 10K/ 20K, ANSI 150), (UNIT : mm)

SIZE		ød	L	H1	H	W	ØC	WEIGHT (kg)
Inch	mm	ød	L	H1	H	W	ØC	WEIGHT (kg)
3/4"	20	28	33	50	210	118	120	2.9
1"	25	28	33	50	210	118	120	2.9
1-1/2"	32	37	33	63	215	118	120	3.2
1-1/4"	40	37	33	63	215	118	120	3.2
2"	50	49	43	83	216	118	120	5.5
2-1/2"	65	62	47	94	237	118	120	6.5
3"	80	73	48	102	247	118	120	7
4"	100	95	54	117	267	118	120	9
5"	125	122	57	135	314	220	175	14
6"	150	141	57	155	334	220	175	16
8"	200	194	64	197	415	230	250	20
10"	250	238	72	228	440	230	250	45
12"	300	278	81	260	523	280	350	58
14"	350	318	92	290	547	280	350	74
16"	400	360	102	330	607	280	350	100

CV VALUES vs TRAVEL POSITION

SIZE		Angle of Opening
Inch	mm	90˚	70˚	60˚	50˚	40˚	30˚	10˚
3/4", 1"	20, 25	85	76	60	45	27	9.4	2.8
1-1/4", 1-1/2"	32, 40	87	78	62	46	27.5	9.6	2.9
2"	50	98	85	68	51	30	10.5	3.2
2-1/2"	65	156	140	112	84	50	17	5.5
3"	80	275	247	197	147	88	30	9
4"	100	485	400	320	240	144	50	15
5"	125	795	715	572	430	258	90	27
6"	150	1170	1055	844	633	380	133	40
8"	200	2210	1990	1590	1195	715	250	75
10"	250	3320	2990	2400	1800	1080	378	113
12"	300	5120	4610	3680	2760	1650	580	174
14"	350	6150	5540	4430	3765	2250	790	235
16"	400	8450	7650	6120	4590	2970	1040	312
18"	450	11200	11000	8800	6600	3960	1390	415
20"	500	15400	14000	11200	8400	5040	1760	520
22"	550	19400	17800	14240	10680	6410	2240	670
24"	600	22700	21200	16960	12720	7630	2670	800
26"	650	26500	23900	19120	14340	8600	3130	930
28"	700	32700	29800	23840	17880	10720	3750	1120
30"	750	35500	32000	25600	19200	11520	4050	1210
32"	800	43700	39700	31760	23820	14300	5000	1500
34"	850	54300	48900	39120	29340	17600	6160	1840
36"	900	58800	53200	42560	31920	19150	6710	2010
40"	1000	78600	71000	56800	42600	25560	8950	2680