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Description Material Performance Product Size Specifications

The main structural feature of the 815, 830, series of the folder type butterfly valve and flange three eccentric structure, and main structural features 815, 830L series butterfly valve is the valve body around with protruding ears and designed with screw single flange structure. 815, 830 Series Butterfly valves are widely used in petroleum, chemical and industrial environmental water treatment, high-rise buildings, to the drainage pipe.

Its characteristics: due to the use of the three eccentric structure, sealed reliable performance, ensure that when opening the butterfly plate does not contact the sealing seat, the sealing seat eliminates uneven load, prolong service life, and ensure reliable sealing performance, has the advantages of high temperature, abrasion resistance, corrosion resistance etc..

American Standard of clamp, double flange type metal seal butterfly valve / clamp, single flange type fluorine plastic sealing butterfly valve

Yu's name	Material Science
valve body	WCB，304,31 6,31 6SS，CF8M
Disc	WCB，304,31 6、31 6SS，CF8M
The stem	316、2Crl3、1Crl8Ni9Ti
Seal ring	31 6、Fluorine plastics
filler	Flexible graphite, fluorine plastic

Design standard：APl609-83
Flange connection size：ANSIB16。5
Structure length ：ANSlB16.10-1992
Pressure test：API598-82

Extension rod American Standard butterfly valve815WsystemAPI815W：

Nominal diameter DN		Structure length (standard value)				Outline dimension (reference value)				Connection dimension (standard value)								Reference weight
Nominal diameter DN		L		L1		H		H0		D		D1		D2		M	Z．d
inch	millimeter	inch	millimeter	inch	millimeter	inch	millimeter	inch	millimeter	inch	millimeter	inch	millimeter	inch	millimeter	M	Z．d
2”	50	1.69	43	4.25	108	4.33	110	13.58	345	6.00	152	4.75	120.5	3.62	92	M18	4-19	9	20
21/2″	65	1.69	46	4.40	112	4.64	118	14.25	362	7.00	178	5.49	139.5	4.13	105	M18	4-19	10	25
3″	80	1.94	48	4.50	114	4.92	125	14.96	380	8.50	190	6.00	152.5	5.00	127	M18	4-19	11	29
4″	100	2.19	54	5.00	127	5.70	145	16.34	415	9.00	229	7.50	190.5	6.19	157	M18	8-19	13	33
5″	125	2.50	55	5.50	140	6.50	165	17.91	455	10.00	254	8.50	216	7.32	186	M20	8-22	16	38
6″	150	2.75	57	5.50	140	6.89	175	21.45	545	11.00	279	9.50	241.5	8.50	216	M20	8-22	26	74
8″	200	2.81	64	5.90	150	8.26	210	24.21	645	13.50	343	11.75	298.5	10.62	270	M20	8-22	34	86
10″	250	3.00	71	6.30	160	9.84	250	27.36	695	16.00	406	14.25	362	12.75	324	M22	12-25	51	142
12″	300	3.18	81	7.00	178	11.24	285	32.78	830	19.00	483	17.00	432	15.00	381	M22	12-25	72	167
14″	350	3.63	92	7.50	190	12.60	320	35.43	900	21.00	533	18.75	476	16.25	413	M27	12-29	106	218
16″	400	4.00	102	8.50	216	13.98	355	38.58	980	23.50	597	21.25	540	18.50	470	M27	16-29	133	275
18″	450	4.50	114	8.74	222	14.96	380	40.55	1030	25.00	635	22.75	578	21.00	533	M30	16-32	176	315
20″	500	5.00	127	9.00	229	16.34	415	43.70	1110	27.50	699	25.00	635	23.00	584	M30	20-32	190	395
2″	600	6.06	154	10.50	267	18.70	475	51.37	1305	32.00	813	29.50	749.5	27.25	692	M33	20-35	394	580
30″	750	6.50	165	11.50	292	22.38	580	60.03	1525	38.75	985	36.00	914	33.75	857	M33	28-35	476	717
32″	800	7.50	190	12.50	318	24.80	630	62.40	1585	41.75	1060	38.50	978	36.00	914	M39	28-41	618	880
36″	900	8.00	200	13.00	330	26.77	680	69.48	1765	46.00	1168	42.75	1085	40.25	1022	M39	32-41	762	1042

Nominal diameter	DN(mm)	830W	830L
		2″-36″	2″-36″
Nominal pressure	PN(MPa)	150Lb	300Lb
Test pressure Ps(MPa)	strength test	3.0	7.5
	Seal test	2.2	5.5
Applicable medium	Water, steam, oil, seawater, etc.
Applicable temperature	-29-425℃

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