butt-welding type metallic hard sealing butterfly valve

Available Size:

DN(mm)	40	50	65	80	100	150	200	250	300	350	400	450	500	600	650	700	750	800	900
NPS(inch)	1½"	2"	2½"	3"	4"	6"	8"	10"	12"	14"	16"	18"	20"	24"	26"	28"	30"	32"	36"

Reitz, professional Flanged Butterfly Valve manufacturer and supplier from China, Asia. High quality guaranteed and competitive price.

Purpose and characteristic
This kind of butterfly valve is suitable for high temperature, high pressure, fireproof, jacket etc.pipe as start and stop or adjust medium, the main char-acteristic as below:
1.Compact configuration,tiny bulk, light and operate skillfully and conveniently.
2.It adopt three-dimensional eccentric elasticity or multiple layers hard sealing configuration,the hermetical capability can reach to zero leakage.
3.This kind of valve with no flange, which makes pipe eleg-antly and binding up conveniently.
4.It has characteristic of high temperature resistant high pressure resistant, antisepsis, wearable etc.
Drive type
Worm wheel drive,pneumatic drive,electric drive.
Adoption standard
Jointing dimension:GB1224;ANSI B16.25; DIN2559

Structure length:GB/T12221-1989;API609

Pressure test:GB/T13927-1992;API598

Main technology parameter

Nominal diameter DN（mm） 50～700 Nominal pressure PN（MPa） 0.6 1.0 1.6 2.5 4.0 Ps(MPa)Test pressure Shell test 0.9 1.5 2.4 3.75 6.0 Seal test 0.66 1.1 1.76 2.75 4.4 Gas seal test 0.6 0.6 0.6 0.6 0.6 Appropriate medium Water,steam,oil,acid corrosive and so on Appropriate temperatuer Carben steel:-29℃～425℃ Stainless steel:-40℃～600℃

■ Material for main parts

Parts name Material Body Cast steel,stainless steel,Cr.Mo.Steel and ad hoc material Disc Cast steel,Alloy steel,stainless steel,Cr.Mo.Steel and ad hoc material Seal ring Stainless steel, resist grind material Stem Stainless steel,Cr.Mo.Steel Packing Flexible graphite   ■ Main dimension

PN(MPa)	DN  (mm)	L	D n	d 1	H 1	H 2	H	DO	WEIGHT   (kg)
0.6	1000	550	1028	992	1053	757	1228	450 *	1460
	1200	630	1228	1192	1162	851	1336	450 *	1590
	1400	710	1428	1392	1310	876	1436	450 *	2185
	1600	790	1628	1592	1436	1095	1584	450 *	3210
	1800	870	1828	1792	1579	1214	1703	600 *	1090
	2000	950	2028	1992	1723	1332	1814	600 *	5610
1.0	600	390	636	602	606	499	684	500 *	465
	700	430	726	692	738	566	894	350 *	680
	800	470	826	792	8041	632	657	350 *	810
	900	510	926	892	989	693	1163	350 *	860
	1000	550	1028	992	1056	757	1228	450 *	1625
	1200	630	1228	1192	1162	851	1336	450 *	1770
	1400	710	1428	1392	1310	876	1436	450 *	2425
	1600	790	1628	1592	1436	1095	1584	450 *	3560
	1800	870	1828	1792	1579	1214	1703	600 *	4545
	2000	950	2028	1992	1723	1332	1714	600 *	6230
1.6	80	180	90	78	186	90	230	160	27
	100	190	110	96	195	110	239	160	34
	125	200	135	121	208	113	252	160	41
	150	210	161	146	240	130	284	160	43
	200	230	222	202	260	205	307	160	81
	250	250	278	254	295	235	337	200	102
	300	270	330	303	340	275	392	200	132
	350	290	382	351	383	309	435	250	193
	400	310	432	398	427	346	481	300	164
	450	330	484	450	467	392	521	400	238
	500	350	535	501	499	427	568	400	302
	600	390	636	602	618	509	689	500	457
	700	430	726	692	745	572	903	350 *	810
	800	470	826	792	809	638	967	350 *	1093
	900	510	926	892	999	700	1175	450 *	1410
	1000	550	1028	992	1064	765	1240	450 *	1870
	1200	630	1228	1192	174	860	1350	450 *	2082
	1400	710	1428	1392	1324	986	1450	600 *	2850
	1600	790	1628	1592	1450	1106	1600	600 *	4230
	1800	870	1828	1792	1595	1226	1720	600 *	5346
	2000	950	2028	1992	1740	1345	1860	600 *	7328
2.5	80	180	90	78	186	90	230	160	38
	100	190	110	96	201	106	245	160	40
	125	200	135	121	211	122	255	160	60
	150	210	161	146	243	136	287	160	65
	200	230	222	202	270	215	312	200	85
	250	250	278	254	302	247	344	200	435
	300	270	330	303	358	288	410	250	175
	350	290	382	351	421	333	453	350	195
	400	310	432	398	434	359	488	400	295
	450	330	484	450	473	405	542	450	350
	500	350	535	500	551	444	631	500	510
	600	390	636	600	674	521	832	350 *	625
	700	430	726	690	758	586	910	350 *	925
	800	470	826	790	723	659	981	350 *	1260
	900	510	926	890	884	720	1042	450 *	1760
	1000	550	1028	990	942	780	11014	450 *	1940
	1200	630	1228	1190	1054	889	1212	600 *	2810
	1400	710	1428	1390	1162	1000	1322	600 *	3500
4.0	80	180	90	78	242	108	286	160	35
	100	190	110	96	204	108	248	160	38
	125	200	135	120	214	120	258	160	50
	150	210	161	145	259	135	301	200	45
	200	230	222	200	276	202	318	200	100
	250	250	278	252	313	235	365	250	135
	300	270	330	301	363	280	415	300	260
	350	290	382	351	406	315	458	400	240
	400	310	432	398	441	355	510	450	320
	450	330	484	448	523	370	591	500	500
	500	350	584	495	597	420	10	350 *	550
	600	390	636	595	662	490	770	350 *	900