Flanged Type Concentric Butterfly Valve

• Media: Water, Oil, Gas, Seawater, Food, Steam, Air etc
• Driving Mode: Manual
• Connection Form: Double-Clip Type
• Structure: Centre Sealing
• Seal Form: Force Sealed
• Valve Stem: Normal
• Model NO.: D41X
• Work Pressure: Low Pressure (Pn<1.6mpa)
• Working Temperature: Low Temperature (-100°C<T<-40°C)
• Material of Seal Surface: Soft Sealed
• Valve Body: Casting
• Standard: GB/GOST/ASME/DIN/BS/JIS
• Application: Industrial Usage, Water Industrial Usage, Household Usage
• Size: DN50--DN1200
• Body: Gg25/Ggg40/Ggg50
• Disc: Di/SS304/SS316/Al-Bz
• Stem: Ss410/Ss416/Ss420/SS304/SS316
• Seat: NBR/EPDM/PTFE/Viton
• Transport Package: Plastic Bag Inside and Plywood Case Outside
• Specification: 2" to 24"
• Trademark: AKSF
• Origin: China
• HS Code: 8481804090
• Production Capacity: 15000 Sets Per Month

Product Description

Concentric Butterfly Valve
Connection	Flange	U-Type
Body:	DI(GGG40)	WCB	SS304	SS316	AL-Bronze	Duplex SS
Disc:	DI(GGG40)	WCB	SS304	SS316	AL-Bronze	Duplex SS	DI+EPDM	DI+PTFE	Nylon
Shaft:	#45 Steel	SS410	SS431	SS304	SS316	C6300	17-4PH
Seat:	EPDM	NBR	VITON	PTFE	SILICONE
Operation:	Bareshaft	Lever	Gearbox	Electric	Pneumatic	Hydraulic
WP:	PN6	PN10	PN16	150LB	JIS5K	JIS10K
Standard:	GB	DIN EN	GOST	JIS	ASME	BS
Model:	D041X-6Q	D41X-10C	D341X-16P
Medium:	Water	Air	Steam	Food	Drugs	Oils	acids	bases	salts
Temp:	-10C-+100C		-10C-+150C	-10C-+150C	-15C-+200C
Size:	DN50-DN1200(Normal Size) ,other special size please consult.

Main connection dimensions
DN	A	B	b	f	D	PN1.O K	PN1.6 K	d	F	PN1.0 NxΦdO	PN1.6 NxΦdO		L	L1		D1	D2	NxΦd1	a	J	X	L2	Φ2
50	83	120	19	3	165	125	125	99	13	4x19	4x19		108	111		65	50	4-7	45	13.8	3	32	12.6
65	93	130	19	3	185	145	145	118	13	4x19	4x19		112	115		65	50	4-7	45	13.8	3	32	12.6
80	100	145	19	3	200	160	160	132	13	8x19	8x19		114	117		65	50	4-7	45	13.8	3	32	12.6
100	114	155	19	3	220	180	180	156	13	8x19	8x19		127	130		06	70	4-10	45	17.77	5	32	15.77
125	125	170	19	3	250	210	210	184	13	8x19	8x19		140	143		90	70	4-10	45	20.92	5	32	18.92
150	143	190	19	3	285	240	240	211	13	8x23	8x23		140	143		90	70	4-10	45	20.92	5	32	18.92
200	170	205	20	3	340	295	295	266	13	8x23	12x23		152	155		125	102	4-12	45	24.1	5	45	22.1
250	198	235	22	3	395	350	355	319	13	12x23	12x28		165	168		125	102	4-12	45	31.5	8	45	28.45
300	223	280	24.5	4	445	400	410	370	20	12x23	12x28		178	182		125	102	4-12	45	34.6	8	45	31.6
350	270	310	24.5	4	505	460	470	429	20	16x23	16x28		190	194		150	125	4-14	45	34.6	8	45	31.6
400.	300	340	24.5	4	565	515	525	480	20	16×28	16x31		216	221		175	140	4-18	45	36.15	10	51	33.15
450	340	375	25.5	4	615	565	585	530	20	20x28	20x31		222	227		175	140	4-18	45	40.95	10	51	38
500	355	430	26.5	4	670	620	650	582	22	20x28	20x34		229	234		175	140	4-18	45	14.12	10	57	41.15
600	410	500	30	5	780	725	770	682	22	20x31	20x37		267	272		210	165	4-22	45	51.62	16	70	50.65
700	478	560	32.5	5	895	840	840	794	30	24x31	24x37		292	299		300	254	8-18	22.5	71.35	18	66	63.36
800	529	620	35	5	1015	950	950	901	0	24x34	24x41		318	325		300	254	8-18	22.5	71.35	18	66	63.36
006	584	665	37.5	5	1115	1050	1050	1001	34	28x34	28×41		330	337		300	254	8-18	22.5	84	20	118	75
1000	657	735	40	5	1235	1160	1170	1112	34	28x37	28x44		410		417	300	254	8-18	22.5	95	22	142	85
1200	799	917	45	5	1455	1380	1380	1328	34	32x40	32x50		470		478	350	298'	8-22	22:5	117	28	150	105
1400	919	1040	46	5	1675	1590	1590	1530	40	36x44	36×50		530		538	415	356	8-33	22.5	134	32	200	120
1500	965	1050	47.5	5	1785	1700	1710	1630	40	36x44	36x57		570		580	415	356	8-32	22.5	156	36	200	140
1600	1045	1150	49	5	1915	1820	1820	1700	50	40×50	40x57		009	610		415	356	8-32	22.5	156	36	200	140
1800	1280	1290	52	5	2115	2020	2020	1914	55	44x50	44x57		670		682	475	406	8-40	22.5	178	40	280	160
2000	1350	1323	55	5	2325	2230	2230	2130	55	48x50	48x62		760		772	475	406	8-40	22.5	178	40	280	160
2200	1430	1500	60	5	2555	2440		2320	55	52x56			636	648		560	483	12-40	15	200	45	300	180
2400	1523	1560	68	5	2760	2650		2530	55	56x56			750	762		686	603	20-40	9	242	50	400	220

Flanged concentric butterfly valve

Body: GG25/GGG40/GGG50
Disc: DI/SS304/SS316/AL-BZ
Stem: SS410/SS416/SS420/SS304/SS316
Seat: NBR/EPDM/PTFE/VITON

Design characters:
Correcting holes are made on flange according to standard, easy correcting during the installation.
Through-out bolt or one-side bolt used. Easy replacing and maintenance.
Shaft and disc connected by pin, torque screw or non pin, to achieve the opening and closing.

Type Available: Flanged type.
Sizes Available: DN50mm to DN1200mm (2" to 48")
Pressure Range: PN (MPa): 1.0, 1.6, 2.0, 2.5
Materials Standard: Others on request
Basic Design: ANSI/AWWA C504
Face to Face Dimension: BS5155 Short, ISO5752 (Series 13), DIN 3202 F16
Inspection & Testing: API 598,
Flanged End Dimension: DIN PN10/16/25, ANSI B16.1, BS4504, ISO PN10/16,
JIS B2212/2213, BS 10 Table D, BS 10 Table E
Top flange: ISO 5211
Suitable Mediums: Fresh water, sea water, gas, oils, acids, alkalis, etc
Suitable Temperature: From-26C to 82 C(NBR)

Nominal Pressure Testing pressure (water) PS (MPa)
Body seat: 1.5 times rated pressure
Seat test: 1.1 times rated pressure