AAP Industries Wafer Butterfly Valve with Gear-Op and Stainless Steel Disc

Wafer Butterfly Valve with Stainless Steel Disc and G/O (EPDM)
General Information

Wafer Butterfly Valve with Stainless Steel Disc and G/O (EPDM)
AAP CODE	IMPERIAL SIZE	HI	H2	H3	D	L	E	R	S	T	Z	ØD	Q	4 -D1	N-D2	APPROX. KG/PC
VWEX35SS	14	368	267	45	470	78	102	8	11	8	31.6	28		12	12-28.4	45
VWEX40SS	16	400	298.6	51.2	521	102	140	10	8	5	33.15		45	18	16-28.4	78
VWEX45SS	18	422	318	51.2	584	114	140	10	8	5	38		45	18	16-31.8	93
VWEX50SS	20	480	355	64.2	641	127	140	10	8	5	41.15		56	18	20-31.8	130
VWEX60SS	24	562	444	70.2	756	154	165	16	10	6	50.65		58	22	20-35.1	260

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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Reference: Washington State University

AAP Industries Wafer Butterfly Valve with Gear-Op and Stainless Steel Disc

[18] BUTTERFLY VALVES

Butterfly Valves

1. Wafer Butterfly Style

2. Lugged Butterfly Style

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