BFV-02-QJ Rubber Lined Butterfly Valve

Product Features

-- It has all the design features of our double eccentric butterfly valve.

-- All the rubber lined butterfly valves of high reliability, robust design in accordance to the worst prevailing ambient conditions.

-- The field of applications are mainly chemical plants, chlorine and steel industry, electricity generating plants, mineral processing plants and environmental protection plants etc.

-- Ebonite lining has the features of : 

• good chemical stability,
• strong chemical resistance against mineral acids and bases,
• strong organic solvent resistance,
• high diffusion resistance, low water absorption,
• high tensile strength, 
• and excellent electrical insulation.

--The ebonite lining forms a continuous covering layer on the substrate adding the special design and process of the joint to completely isolate the ferrous substrate from the service medium, thus to ensure the product’s long service time. For the corrosive service fluid, it will be the much more cost effective solution.  

-- The surfaces to be protected by ebonite lining is sand blasted to ‘’Near White Metal’’ in accordance with EN ISO 12944-4 and reach cleanliness Sa 2.5 to ISO 8501 and roughness medium G to ISO 8503.

-- Under the environment with humidity not exceeding 60% and temperature of 15-40 ℃, use the special lining tools to completely compact the rubber sheet and the substrate according to the strict process procedures and requirements.

-- The vulcanization processed with hot air or steam in the vulcanization kettle.

-- The subsequent process will only be started after passing various test and inspection(visual inspection, electric spark detection to holidays/pinholes/cracks, adhesion test and hardness test etc.)

-- The hardness range achieves Shore D 75±5

-- External corrosion protection: the following painting cycles will be provided to suit the application of C5 corrosivity category according to EN ISO 12944-2,

• Epoxy zinc-rich primer – 120μm, Epoxy micaceous iron/ intermediate paint - 60μm, Acrylic polyurethane finish paint - 60μm, Total dry fill thickness(DFT) 240μm
• Epoxy glass flake primer- 150μm, Epoxy glass flake paint two layer - 90μm, Total dry fill thickness(DFT) 240μm

Other painting cycle is available as special request.

-- All the internal and external fastenings such as nuts, bolts, screws and fittings are of stainless steel grade 316L or duplex stainless steel. 

-- All the rubber lined butterfly valves suitable to be fixed in vertical position or horizontal position.

-- The lifting eye/lifting hook fixed in the suitable position so that valve can be lifted in vertical or horizontal position.

-- As special request, we can use the rubber material with the following approvals & certificates:

• Approval of AVS D 6.1/50 for nuclear power plants
• Certificate of (FDA) CFR 21&177.2600
• WRAS-listing to BS 6920

Product Material

No	NAME	MATERIAL*	SPECIFICATION	REMARKS
1	Key	Duplex Stainless Steel	1.4462(S31803),1.4507(S32750)
2	Upper Shaft	Duplex Stainless Steel	1.4462(S31803), 1.4507(S32750)
3	Packing Gland	Stainless Steel	1.4401(SS316)
4	0 ring	Rubber	EPDM, NBR
5	Bolt	Stainless Steel	A4-70(SS316)
		Duplex Stainless Steel	S31803, S32750
6	Shaft Bearing	Bronze	QAI9-2 CC331G
7	Valve Body	Ductile Iron	GJS500-7(GGG50), GJS400-15(GGG40)
			65-45-12, 60-40-18
		Carbon steel	1.0619(WCB)
8	Ebonite lining	Rubber	Nature rubber
9	Pin	Duplex Stainless Steel	1.4462(S31803),1.4507(S32750)
10	Valve Disc	Ductile Iron	GJS500-7(GGG50), GJS400-15(GGG40)
			65-45-12, 60-40-18
		Carbon steel	1.0619(WCB)
11	Shaft Bearing	Bronze	QAI9-2 CC331G
12	Lower Shaft	Duplex Stainless Steel	1.4462(S31803), 1.4507(S32750)
13	End Cover	Carbon steel	S235JR
		Stainless Steel	1.4401(SS316)
14	Bolt	Stainless Steel	A4-70(SS316)
		Duplex Stainless Steel	S31803, S32750
15	0 ring	Rubber	EPDM, NBR
16	Retainer Ring	Duplex Stainless Steel	S31803, S32750
17	Disc Seal Ring	Rubber	EPDM, NBR
18	Screw	Stainless Steel	A4-70(SS316)
		Duplex Stainless Steel	S31803, S32750

Protective Coating: to C5/C5M anti-corrosive requirements
Suitable medium: TSE water, sea water, raw water, cooling water, low-corrosive liquid etc.
Suitable temperature: 0 ~ 80 ℃
Pressure test to EN12266-1: Leakage rate: Class A (Zero leakage) in both direction
100% testing before delivery

Product Dimension

Dimensions/PN10

DN	L		H1	H2	H3	E1	E2	E3	E4	E5	E6	L1	D4	Weight kgs
	S14	S13
200	230	152	175	137	193	526	198	272	64	99	86	196	240	53
250	250	165	208	137	193	568	219	293	64	99	86	240	240	65
300	270	178	235	178	233	670	254	351	93	135	115	260	320	95
350	290	190	265	178	233	720	279	376	93	135	115	280	320	120
400	310	216	288	192	283	834	320	432	120	169	138	310	400	165
450	330	222	313	192	283	903	359	462	120	169	138	340	400	200
500	350	229	340	317	378	988	393	513	120	186	138	370	240	245
600	390	267	395	315	376	1119	450	580	148	214	166	430	400	352
700	430	292	453	315	376	1217	530	598	148	214	166	480	400	470
800	470	318	513	346	407	1410	614	691	185	265	196	560	400	672
900	510	330	563	346	407	1530	675	750	185	265	196	615	400	840
1000	550	410	620	390	451	1712	748	839	230	333	232	670	400	1357
1200	630	470	733	451	512	1971	865	981	230	368	232	800	400	2022
1400	710	530	843	507	568	2313	1011	1138	315	453	360	920	400	2668
1600	790	600	963	507	568	2588	1161	1263	315	453	360	1050	400	3520
1800	870	670	1063	599	660	3038	1324	1501	412	613	440	1162	400	4998
2000	950	760	1168	599	660	3255	1436	1606	412	613	440	1270	400	6516

Dimensions/PN16

DN	L		H1	H2	H3	E1	E2	E3	E4	E5	E6	L1	D4	Weight kgs
	S14	S13
200	230	152	175	137	193	526	198	272	64	99	86	196	240	53
250	250	165	208	178	233	623	230	328	93	135	115	240	320	90
300	270	178	235	178	233	670	254	351	93	135	115	275	320	105
350	290	190	265	192	283	784	295	407	120	169	138	290	400	156
400	310	216	295	192	283	853	334	437	120	169	138	320	400	188
450	330	222	325	317	378	938	368	488	120	186	138	360	240	267
500	350	229	363	315	376	1019	400	530	148	214	166	395	400	328
600	390	267	425	315	376	1117	480	548	148	214	166	470	400	460
700	430	292	460	346	407	1308	563	640	185	265	196	480	400	615
800	470	318	518	346	407	1426	623	698	185	265	196	560	400	825
900	510	330	568	390	451	1612	698	789	230	333	232	618	400	1135
1000	550	410	636	451	512	1773	766	882	230	368	232	600	400	1435
1200	630	470	748	507	568	2112	911	1038	315	453	360	800	400	2335
1400	710	530	848	599	660	2529	1063	1253	412	613	440	920	400	3760
1600	790	600	970	599	660	2754	1172	1369	412	613	440	1060	400	4550
1800	870	670	1070	777	838	3257	1416	1602	495	725	544	1170	720	6370
2000	950	760	1178	777	838	3523	1583	1701	495	725	544	1290	720	8470

Dimensions/PN25

DN	L		H1	H2	H3	E1	E2	E3	E4	E5	E6	L1	D4	Weight kgs
	S14	S13
200	230	152	190	178	233	586	221	300	93	135	115	220	320	85
250	250	165	220	178	233	656	254	337	93	135	115	260	320	120
300	270	178	250	192	283	757	298	377	120	169	138	300	240	175
350	290	190	285	317	378	830	318	430	120	186	138	320	400	210
400	310	216	315	315	376	945	370	486	148	214	166	350	400	295
450	330	222	340	315	376	991	406	496	148	214	166	370	400	335
500	350	229	370	346	407	1112	453	554	185	265	196	410	400	500
600	390	267	428	346	407	1235	495	631	185	265	196	470	400	660
700	430	292	485	390	451	1439	601	715	230	333	232	530	400	945
800	470	318	548	390	451	1588	668	797	230	333	232	600	400	1195
900	510	330	598	451	512	1669	695	849	230	368	232	655	400	1500
1000	550	410	665	507	568	1994	844	988	315	453	360	730	400	2120
1200	630	470	770	507	660	2398	1008	1179	315	453	360	840	400	3370
1400	710	530	883	599	660	2667	1150	1306	412	613	440	970	400	4880
1600	790	600	993	777	838	2942	1250	1449	495	725	544	1080	720	6680
1800	870	670	1103	777	887	3310	1439	1633	495	725	544	1100	720	7890

Dimensions*/PN40

DN	L		H1	H2	H3	E1	E2	E3	E4	E5	E6	L1	D4	Weight kgs
	S14
200	230		193	178	233	603	229	309	93	135	115	180	320	95
250	250		230	192	283	712	261	369	120	169	138	200	400	140
300	270		263	317	378	795	305	408	120	186	138	240	240	235
350	290		295	315	376	904	360	455	148	214	166	320	400	310
400	310		335	315	376	1001	407	505	148	214	166	320	400	420
450	330		348	346	407	1067	429	533	185	265	196	360	400	510
500	350		383	346	407	1180	477	598	185	265	196	450	400	615
600	390		450	390	451	1363	555	683	230	333	232	500	400	965
700	430		505	507	568	1625	666	795	315	453	360	560	400	1260
800	470		575	507	568	1696	664	868	315	453	360	630	400	1510
900	510		635	507	568	1904	785	955	315	453	360	690	400	2280
1000	550		690	507	660	2039	837	989	315	453	360	740	400	3150
1100	590		735	599	660	2384	997	1174	412	613	440	800	400	4380
1200	630		793	599	660	2595	1077	1279	412	613	440	860	400	5200
1400	710		903	777	838	2839	1200	1400	495	725	544	1000	720	5905
1500	750		968	777	838	3004	1268	1497	495	725	544	1060	720	7060
1600	790		1018	777	887	3115	1320	1555	495	725	544	1100	720	8300
1800	870		1153	958	1068	3552	1520	1760	560	823	644	1160	720	11050

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