AAP Industries Wafer Butterfly Valve Butterfly Valves

Wafer Butterfly Valve with Stainless Steel Disc
General Information

Wafer Butterfly Valve with Stainless Steel Disc
AAP CODE			IMPERIAL SIZE	HI	H2	H3	D	L	K	F	E	N-D2	4 -D1	APPROX. KG/PC
NBR	EPDM	VITON
VW50	VWE50	VWV50	2	70	140	31.8	125	42.04	11	14.1	70	4-19	10	3.09
VW65	VWE65	VWV65	2 1/2	79	155	31.8	145	44.68	11	14.1	70	4-19	10	3.8
VW80	VWE80	VWV80	3	83	160	31.8	160	45.21	11	14.4	70	8-19	10	4.29
VW94	VWE94	VWV94	4	107	180	31.8	180	52	14	18.1	70	8-19	10	5.08
VW95	VWE95		5	127	193	31.8	210	54.36	17	22.1	70	8-19	10	7.1
VW96	VWE96	VWV96	6	139	200	31.8	240	55.7	17	22.1	70	8-23	10	8.1
VW98	VWE98	VWV98	8	170	240	35.5	295	60.1	17	22.1	102	12-23	12	14
VWX25	VWEX25		10	200	272	35.5	355	65.63	22	28.2	102	12-28	12	21
VWX30	VWEX30		12	242	317	35.5	410	76.5	22	28.2	102	12-28	12	34

Materials (Cast Iron Butterfly)
PART	MATERIAL	PART	MATERIAL
Handle	Ductile Iron	Handle	SS304
Hub Shaft	CF8M	Hub Shaft	SS416
O-Ring	NBR	O-Ring	EPDM

Materials List		Specifications
PART	(Optional)	MATERIAL	control is	critical	Cold Working Pressure (50-300mm)	only have	1600kPa	setting
Handle	(Optional)	Ductile Iron	control is	critical	Top Flange	only have	ISO 5211	setting
Hub Shaft	(Optional)	CF8M	control is	critical	Top Flange	only have	ISO 5211	setting
O-Ring	(Optional)	NBR	control is	critical	Top Flange	only have	ISO 5211	setting
Gear Operators	(Optional)	NBR		control is	critical	Levers		only have	10 position	setting
For precise regulation	of Butterfly	valve	valve where flow control	control is	critical	Levers	& Notch plates	only have	10 position	setting
CODE	DESCRIPTION	valve	SIZE RANGE	BODY	critical	Levers	DISC	SEAT	10 position	GEAR-OP (STD)
VW##	DESCRIPTION	valve	2’ - 12’	BODY	critical	Levers	SS316	SEAT	10 position	GEAR-OP (STD)
	DESCRIPTION	valve	14’ - 24’	BODY	critical	Levers	NICKEL PLATED DUCTILE IRON	SEAT	10 position	Y
VWE##	DESCRIPTION	valve	2’ - 14’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWEX##SS	DESCRIPTION	valve	14’ - 24’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWV##	DESCRIPTION	valve	2’ - 8’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWSS##	DESCRIPTION	valve	2’ - 6’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWLG##	DESCRIPTION	valve	2’ - 12’	BODY	critical	Levers	SS316	SEAT	10 position	Y
	DESCRIPTION	valve	14’- 24’	BODY	critical	Levers	NICKEL PLATED DUCTILE IRON	SEAT	10 position	Y
VWLGE##	DESCRIPTION	valve	2’ - 12’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWLGE##SS	DESCRIPTION	valve	14’ - 24’	BODY	critical	Levers	SS316	SEAT	10 position	Y
VWLGA	DESCRIPTION	valve	2’ - 6’	BODY	critical	Levers	SS316	SEAT	10 position	Y

Resilient Seat Material for Butterfly Valves
COMMON NAME	ASTM DESIGNATION D1418-64	COMPOSITION	GENERALLY RESISTANT TO	GENERALLY AFFECTED OR ATTACKED BY
			NBR				Many	Many Hydrocarbons, fats, oils,	Ozone’s, keytones, esters,
EPT or EPDM	Temp. + 100°C	NBR		Ethylene-propylene- dieneterpolymer	EPDM	Good	Animal and vegetable oils, ozone, strong and oxidising chemicals	VITON	Mineral oils and solvents, aromatic hydrocarbons
Teflon	Temp. + 150°C	NBR		Tetrafluoro-Ethylene Resin	EPDM	Good	Most know fluid chemicals	VITON	-
Specific Resistance	Temp. + 150°C	NBR		Tetrafluoro-Ethylene Resin	EPDM	Good	Most know fluid chemicals	VITON	TFE
Abrasion	Temp. + 150°C	NBR	Good	Tetrafluoro-Ethylene Resin	EPDM	Good	Most know fluid chemicals	Good	Good
Oxidisation	Temp. + 150°C	Good		Tetrafluoro-Ethylene Resin	Excellent	Good	Most know fluid chemicals	Excellent	Excellent
Heat Aging	Temp. + 150°C	Good	Good	Tetrafluoro-Ethylene Resin	Excellent	Excellent	Most know fluid chemicals	Very Good	Excellent
Flame	Temp. + 150°C	Poor		Tetrafluoro-Ethylene Resin	Poor	Excellent	Most know fluid chemicals	Excellent	Excellent
Oil	Temp. + 150°C	Poor	Very Good	Tetrafluoro-Ethylene Resin	Poor	Poor	Most know fluid chemicals	Excellent	Excellent
Fuel	Temp. + 150°C	Good		Tetrafluoro-Ethylene Resin	Poor	Poor	Most know fluid chemicals	Excellent	Excellent
Keytones/Esters	Temp. + 150°C	Good	Fair	Tetrafluoro-Ethylene Resin	Poor	Excellent	Most know fluid chemicals	Poor	Excellent
Aliphatic Hydrocarbon	Temp. + 150°C	Excellent		Tetrafluoro-Ethylene Resin	Poor	Excellent	Most know fluid chemicals	Excellent	Excellent
Aromatic Hydrocarbon	Temp. + 150°C	Excellent	Fair	Tetrafluoro-Ethylene Resin	Poor	Poor	Most know fluid chemicals	Excellent	Excellent
Water	Temp. + 150°C	Good		Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
Torque	Temp. + 150°C	Good		Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
SIZE	Temp. + 150°C	Good	PN16 (N.M)	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
2 1/2	Temp. + 150°C	Good	19.435	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
4	Temp. + 150°C	Good	38.87	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
6	Temp. + 150°C	Good	89.57	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
10	Temp. + 150°C	Good	340.288	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
14	Temp. + 150°C	Good	730.08	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
18	Temp. + 150°C	Good	1508.78	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent
24	Temp. + 150°C	Good	2389.66	Tetrafluoro-Ethylene Resin	Very Good	Poor	Most know fluid chemicals	Very Good	Excellent

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AAP Industries Wafer Butterfly Valve

[18] BUTTERFLY VALVES

Butterfly Valves

1. Wafer Butterfly Style

2. Lugged Butterfly Style

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