Product Structure Features

1. Compact and lightweight, easy to disassemble and maintain, and can be installed at any location.2. Simple and compact structure, quick opening and closing with 90 degree rotation.3. Small operating torque, labor-saving and lightweight.4. Excellent wear reduction, self-lubrication, and operating torque reduction of over 40% compared to ordinary butterfly valves.5. Non toxic, odorless, and antibacterial meet the requirements of green environmental protection.6. Resistant to salt, alkali, and weak acid attack, with wide applicability.7. Pinless connection technology ensures complete isolation of media and metal with high reliability.8. Applicable media: fresh water, seawater, various gases, oil products, alkali, salt, organic compound, and weak acid.

The main technical parameters

DN（mm)	40～1000		40～1000
PN（MPa)	0.6	1.0	1.6
Seal test (MPa)	0.66	1.1	1.76
Strength test (MPa)	0.9	1.5	2.4
Proper temperature	Nitrile rubber: -40℃～90℃; Fluorine rubber: -29℃～150℃
Applicable media	Water, air, natural gas, oil and weak corrosive fluids
Leak rate	Comply with GB/T13927-92 standard
Drive mode	Worm gear

Material of main parts

NO	Part Name	Grey cast iron	Cast steel	Stainless steel		Ultra low carbon stainless steel
		Z	C	P	R	PL	RL
1	Body	HT250	WCB	CF8	CF8M	CF3	CF3M
2	Disc shaft/pin	1Cr13	2Cr13	1Cr18Ni9Ti	1Cr18Ni12Mo2Ti	00Cr18Ni10	00Cr17Ni14Mo2
3	Liner/Seat	FEP(F46)
4	Disc/packing gland	WCB	WCB	CF8	CF8M	CF3	CF3M
5	Bracket	WCB		CF8
6	Filler	PTFE (F4)		PTFE (F4)		PTFE (F4)
7	Butterfly bolt	35	35	1Cr17Ni2	1Cr17Ni2	1Cr18Ni9	1Cr18Ni9
8	Nut	45	45	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9	0Cr18Ni9

Main external connection dimensions

DN	L	H1	H	A	B	PN6				PN10				PN16
						D	D1	D2	Z-Φd	D	D1	D2	Z-Φd	D	D1	D2	Z-Φd
50	108	63	306	180	200	140	110	90	4-14	165	125	102	4-18	165	125	102	4-18
65	112	70	321	180	200	160	130	110	4-14	185	145	122	8-18	185	145	122	8-18
80	114	83	346	180	200	190	150	128	4-18	200	160	138	8-18	200	160	138	8-18
100	127	105	387	180	200	210	170	148	4-18	220	180	158	8-18	220	180	158	8-18
125	140	115	411	180	200	240	200	178	8-18	250	210	188	8-18	250	210	188	8-18
150	140	137	447	270	280	265	225	202	8-18	285	240	212	8-22	285	240	212	8-22
200	152	164	572	270	280	320	280	258	8-18	340	295	268	8-22	340	295	268	12-22
250	250	206	646	270	280	375	335	312	12-18	395	350	320	12-22	405	355	320	12-26
300	270	230	738	380	420	440	395	365	12-22	445	400	370	12-22	460	410	378	12-26
350	290	248	761	380	420	490	445	415	12-22	505	460	430	16-22	520	470	428	16-26
400	310	289	877	450	470	540	495	465	16-22	565	515	482	16-26	580	525	490	16-30
450	330	320	938	480	490	595	550	520	16-22	615	565	532	20-26	640	585	550	20-30
500	350	343	993	480	490	645	600	570	20-22	670	620	585	20-26	715	650	610	20-33
600	390	413	1131	480	490	755	705	670	20-26	780	725	685	20-30	840	770	725	20-36
700	430	478	1476	640	660	860	810	775	24-26	895	840	800	24-30	910	840	795	24-36
800	470	525	1533	640	660	975	920	880	24-30	1015	950	905	24-33	1025	950	900	24-39
900	510	585	1655	750	860	1075	1020	980	24-30	1115	1050	1005	28-33	1125	1050	1000	28-39
1000	550	640	1765	850	900	1175	1120	1080	28-30	1230	1160	1110	28-36	1255	1170	1115	28-42