PTFE Butterfly Valve

ptfe-butterfly-valve

FEP(F46) and PCTFE(F3) fluorine lined butterfly valves are applied for aqua regia, sulfuric acid, hydrochloric acid, hydrofluoric acid and various organic acid, strong acid and strong oxidizer etc in different concentration under -50℃—150℃ temperature conditions. Besides, FEP is also applied to pipelines of strong base organic solution in different concentrations and other corrosive gas and liquid medium.Main Parts and Materials:
Up-and-down valve body: cast iron, cast steel, stainless steel, liner F46, F3
Seat: cast steel
Disc with stem: cast iron, cast steel, stainless steel, liner F46, F3
Stuffing box: cast iron, stainless steel, liner F46, F3
Packing: F4
Gasket: silicon rubber
Handle of worm gear: QT400-15 nodular cast ironTechnical Specification:

Design standard: GB12238; Structure length: GB12221; Flange standard: JB/T79-94,GB9113.1-26; Inspection standard: JB/T13927; drive mode: worm gear, manual, power-driven and pneumatic

Detailed Product Description

Wafer Butterfly Valve
Unit : mm

Nominal Diameter	PN1.0Mpa main contour dimensions and connection dimensions (mm)								G.W.
DN	L	D	D1	D2	f	Z-φd	H2	H1	kg
40	33	145	110	85	3	4-φ18	270	80	4
50	43	160	125	100	3	4-φ18	280	85	5
65	46	180	145	120	3	4-φ18	290	93	7
80	46	195	160	140	3	4-φ18	310	100	9
100	52	215	180	155	3	8-φ18	340	110	13
125	56	245	210	185	3	8-φ18	355	120	15
150	56	280	240	210	3.5	8-φ23	380	160	24
200	60	335	295	265	3.5	8-φ23	430	245	38
250	68	390	350	320	4	12-φ23	450	260	60
300	78	440	400	370	4	12-φ23	480	300	70
350	78	500	460	420	4	16-φ23	600	320	80
400	102	565	515	475	4.5	16-φ25	630	330	120
450	114	615	565	525	4.5	20-φ25	655	380	165
500	127	670	620	580	5	20-φ25	680	390	205
600	154	780	725	690	5	20-φ30	730	450	250
700	165	895	840	800	5	24-φ31	790	480	320
800	190	1010	950	905	5	24-φ34	880	580	395
900	203	1110	1050	1005	5	28-φ34	930	625	450
1000	216	1220	1160	1115	6	28-φ34	1000	600	600
1200	254	1450	1380	1325	6	32-φ41	1300	780	825

Detailed Product Description

Flange Butterfly Valve

Unit : mm

Nominal Diameter	PN1.6Mpa main contour dimensions and connection dimensions (mm)									G.W.
DN	L	D	D1	D2	f	b	Z-φd	H	D0	kg
50	108	160	125	100	3	20	4-φ18	280	88	12
65	112	180	145	120	3	20	4-φ18	290	95	13
80	114	195	160	135	3	22	4-φ18	310	105	14
100	127	215	180	155	3	22	8-φ18	340	115	16
125	140	245	210	185	3	24	8-φ18	355	125	18
150	140	280	240	210	3.5	24	8-φ23	380	165	38
200	152	335	295	265	3.5	26	8-φ23	430	250	74
250	165	390	350	320	4	28	12-φ23	450	265	105
300	178	440	400	368	4	28	12-φ23	480	310	142
350	190	500	460	428	4	30	16-φ23	600	330	179
400	216	565	515	482	4.5	32	16-φ26	630	340	220
450	222	615	565	532	4.5	32	20-φ26	655	390	268
500	229	670	620	585	5	34	20-φ26	680	400	378
600	267	780	725	685	5	36	20-φ30	730	460	608
700	292	895	840	800	5	40	20-φ30	790	490	1050
800	318	1010	950	905	5	44	24-φ34	880	590	1320
900	330	1110	1050	1005	5	46	28-φ34	930	630	1795
1000	410	1220	1160	1115	6	50	28-φ34	1000	670	1900

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