Butterfly Valve PTFE Lined

Butterfly valve rubber Lined

BPL -Series

PTFE Lined Butterfly Valve Application

The PTFE liner combined with the PTFE Stainless Steel Disc provides the corrosion resistance required for a variety of applications. The following applications are listed to provide a starting point in where to apply the EVC PTFE Lined Butterfly Valve.

When applying any product to corrosive media, careful consideration must be given to temperature, presence of other materials in the solution and the concentration of the media.

Design and Construction

EVC PTFE Lined Butterfly valves are designed for corrosive applications in the proves industries. The unique construction of the PTFE liner combined a 316 Stainless Steel disc or PTFE coated Stainless steel disc makes the EVC PTFE Lined Butterfly valve ideally suited for handling corrosive media.

Product Application :

Chemical	Paper

Sulfuric Acid	White Water
Hydrochloric Acid	Chlorine Dioxide
Nitric Acid	Filtrates
Sodium Hydroxide	Hot Water
Chlorinated Brine Ferric Chloride	Sodium Chlorate Nacl
Acetyl Chloride	Nitric Acid
Chromic Acid	Phosphoric Acid
Amyl Acetate	Alum
Benzene	Aqueous Ammonia
Butyl Acetate	Calcium Carbonate
Ethyl Chloride	Caustic Soda
Ferric Hydroxide	Defoamer
Furfural Alcohol	Lime Mud Filtrate
Magnesium Citrate	Weak wash Liquor
Methyl Acetate	Chlorine Filtrate
Potassium Sulfate	Slimicide
Potassium Sulfide
Propyl Acetate
Vinyl Acetate

Design Standard

BS5155; API 609;ISO;DIN.
Suitable for fitment between flanges as per ANSI/BS/DIN

Technical Specification:

Standard Material

STANDARD MATERIAL
NO	*DESCRIPTION*	*MATERIAL*
1	Body	Ductile Iron, Carbon Steel, Stainless Steel 304/316
2	Seat	PTFE
3	Disc	Stainless Steel with PTFE Coated/ Stainless Steel
4	O-Ring	Viton
5	Shaft	Stainless Steel
6	O-ring & Bushing	Viton
7	Worm Gear	Cast Iron

Wafer Type

DIMENSIONS
Size	A	B	C	G	F	M	E	D1	d1	N
2	152	58	43	75	152.5	45	52	120.6	19	4
2¹/₂	152	58	46	75	152.5	45	52	139.7	19	4
3	172	80	46	75	152.5	45	52	152.4	19	4
4	195	95	52	75	152.5	45	52	190.5	19	8
5	207	110	56	75	152.5	45	52	215.9	22.4	8
6	225	125	56	75	152.5	45	52	241.3	22.4	8
8	248	150	60	86	250	62.8	75	298.4	22.4	8
10	318	211	68	86	250	62.8	75	361.9	25.4	12
12	348	239	78	83	227	80	81	431.8	25.4	12
14	422	291	78	83	227	80	81	476.2	28.4	12
16	448	317	102	125.5	278	179	115	539.7	28.4	16
18	490	342	114	125.5	278	179	115	577.8	31.8	16
20	530	374	127	125.5	278	179	115	635	31.8	20
24	595	466	154	256	304	130	346	749.3	35.1	20

Lug Type

DIMENSIONS
Size	A	B	C	D	ØK	ØE	*4-Ød1*	*ØD1*	ØG	*n-M*	L	L0	M
2″	161	80	42	52.9	90	70	9	120.6	118	4-5/8＂	32	270	168
2.5″	175	89	44.7	64.5	90	70	9	139.7	137	4-5/8＂	32	270	187
3″	181	95	45.2	78.8	90	70	9	152.4	143	4-5/8＂	32	270	228
4″	200	114	52.1	104	90	70	9	190.5	156	8-5/8＂	32	270	256
5″	213	127	54.4	123.3	90	70	9	215.9	190	8-3/4＂	32	270	288
6″	226	139	55.8	155.6	90	70	9	241.3	212	8-3/4＂	32	270	316
8″	260	175	60.6	202.5	125	102	14.3	298.4	268	8-3/4＂	45	360	389
10″	292	203	65.6	250.5	125	102	14.3	361.9	325	12-7/8＂	45	360	453
12″	337	242	76.9	301.6	150	125	14.3	431.8	403	12-7/8＂	45	360	522
14″	368	267	76.5	333.3	150	125	14.3	476.2	436	12-1＂	45	360	575
16”	400	309	86.5	389.6	197	140	18	539.7	488	16-1”	51.2	---	650