Fluorine-Lined Flanged Butterfly Valve-Fluorine-Lined Valve Series-Zhejiang Lierduo Valve Co., Ltd.

Follow the standards	Flange connected butterfly valve (centerline)
Design and Manufacturing: GB/T 12238, API 609	Design and manufacturing comply with Chinese national standards Basic structural form (butterfly plate axis coincides with the centerline of the valve body and seat) a. D41F/P semi lined type The valve body is fully lined/the butterfly plate and the butterfly plate shaft are made of stainless steel (not lined), and the butterfly plate and shaft are connected without pins b. D41F46 fully lined type Valve body fully lined/butterfly plate and butterfly plate shaft fully lined/butterfly plate and shaft fixedly connected.
Structural length: GB/T 12221, API 609
Flange standards: HG/T 20592, ASME B16.5
Nominal pressure: PN6, PN10, PN16, PN25, Class150
Connection method: flange type
Pressure test: GB/T 13927, API598
Operation mode: handle, turbine, pneumatic, electric

Basic model	Nominal pressure: PN0.6-1.6MPa nominal diameter: DN50-1200mm
manual	pneumatic	Worm gear rotation	electric
D41F/P (Half lined)	D641F/P (Half lined)	D341F/P (Half lined)	D941F/P (Half lined)
D41F4 (fully lined)	D641F4 (fully lined)	D341F4 (fully lined)	D941F4 (fully lined)
D41PFA (fully lined)	D641PFA (fully lined)	D341PFA (fully lined)	D941PFA (fully lined)
D41F46 (fully lined)	D641F46 (fully lined)	D341F46 (fully lined)	D941F46 (fully lined)

Main component material list
serial number	Part Name	carbon steel	stainless steel		Ultra low carbon stainless steel
serial number	Part Name	C	P	R	PL	RL
1	Upper and lower valve bodies	WCB	CF8	CF8M	CF3	CF3M
2	butterfly valve disc	WCB	304	316	304L	316L
3	Butterfly board shaft	45#	304	316	304	316
4	Lining layer/valve seat	FEP(F46)/PTFE(F4)/PFA
5	O-ring	fluorine
6	bolt	25#	304	316	304	316
7	nut	25#	304	316	304	316
8	turbine	ductile iron

Main connection dimensions and weight
Nominal diameter DN (mm)	standard value
	L	D	D1	D2	f	Z-Φd	H	Kg
	PN1.0MPa
50	108	165	125	100	3	4-Φ18	190	12
65	112	185	145	120	3	4(8)-Φ18	200	13
80	114	200	160	135	3	8-Φ18	220	15
100	127	220	180	155	3	8-Φ18	240	18
125	140	250	210	185	3	8-Φ18	250	23
150	140	285	240	210	3	8-Φ22	270	28
200	152	340	295	265	3	8-Φ22	300	42
250	165	395	350	320	3.5	12-Φ22	340	60
300	178	445	400	368	3.5	16-Φ22	390	80
350	190	505	460	428	4	16-Φ26	430	105
400	216	565	515	482	4	16-Φ22	460	135
450	222	615	565	532	4	20-Φ26	500	190
500	229	670	620	585	5	20-Φ26	530	250
600	267	780	725	685	5	20-Φ30	700	360
700	292	895	840	800	5	24-Φ30	740	450
800	318	1015	950	905	5	24-Φ33	790	650
900	330	1115	1050	1005	5	28-Φ33	850	870
1000	410	1230	1160	1115	5	28-Φ36	950	1100
1200	470	1455	1380	1325	5	32-Φ39	1110	1700
1400	530	1675	1590	1535	6	36-Φ42	1290	2180
PN1.6MPa
50	108	165	125	100	3	4-Φ18	190	13
65	112	185	145	120	3	4(8)-Φ18	200	14
80	114	200	160	135	3	8-Φ18	220	15
100	127	220	180	155	3	8-Φ18	240	18
125	140	250	210	185	3	8-Φ18	250	23
150	140	285	240	210	3	8-Φ22	270	28
200	152	340	295	265	3	12-Φ22	310	43
250	165	405	355	320	3.5	12-Φ26	360	65
300	178	460	410	375	3.5	12-Φ26	390	85
350	190	520	470	435	4	16-Φ26	430	120
400	216	580	525	485	4	16-Φ30	460	150
450	222	640	585	545	4	20-Φ30	500	205
500	229	715	650	608	5	20-Φ33	530	260
600	267	840	770	718	5	20-Φ36	700	385
700	292	910	840	788	5	24-Φ36	740	480
800	318	1025	950	898	5	24-Φ39	790	675
900	330	1125	1050	998	5	28-Φ39	850	896
1000	410	1255	1170	1110	5	28-Φ42	950	1130
1200	470	1485	1390	1325	5	32-Φ48	1110	1800
1400	530	1685	1590	1535	6	36-Φ48	1210	2200