PVDF Butterly Valve

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PVDF Butterfly Valve Manufacturer and Supplier in India. It is a quarter-turn rotational speed valve for stopping, regulating and starting the flow. In a butterfly valve a disc is mounted on the rotating shaft. The disc stops the line when the butterfly valve is completely closed. The disc of the PVDF butterfly valve is at right angles to the flow of gas or liquid when fully opened.

The valve can be completely closed or opened by rotating the handle 90 degrees. Larger PVDF butterfly valves often have a gearbox attached, which connects the hand wheel to the stem via gears. This makes valve functioning easier, but it comes at the cost of speed.

PVDF butterfly valves are popular due to their dependability and low maintenance needs. Due to less wear, the useful life of the valve can be extended. This minimizes direct operating expenses and the number of hours spent on valve maintenance.

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The FE is a butterfly valve for shutting off or regulating flow, specifically designed for water applications and equipped with a customisable Labelling System.

• Disk in PVC-U with through shaft
• Zinc plated square section steel stem completely isolated from the fluid complying with standard ISO 5211: DN 40 ÷ 65: 11 mm DN 80 ÷ 100: 14 mm DN 125 ÷ 150: 17 mm DN 200: 22 mm
• Can also be installed as a bottom discharge valve or tank dump valve
•Valve material compatibility (PVC-U) with water conveyance, drinking water and other food substances according to current regulations
•Possibility of directly installing a gearbox or pneumatic and/or electric actuators with a standard drilling pattern according to standard ISO 5211 F05, F07, F10

Technical specifications
Construction	Bi-directional centric butterfly valve
Size range	DN 40 ÷ 200
Nominal pressure	Wafer version DN 40 ÷ 50: PN 16 with water at 20 °C DN 65÷200: PN 10 with water at 20 °C
Temperature range	0 °C ÷ 60 °C
Reference standards	Flanging system: EN ISO 1452, EN ISO 15493, DIN 2501, ISO 7005-1, EN 1092-1, ANSI B₁6.5 Cl.150
Riferimenti Reference standards	Construction criteria: EN ISO 16136, EN ISO 1452, EN ISO 15493 Test methods and requirements: ISO 9393 Actuator couplings: ISO 5211
Valve material	Body: PVC-U Disk: PVC-U Stem: Zinc plated carbon steel (C45). On request STAINLESS steel AISI 316
Seal material	Liner: EPDM, FKM. On request NBR
Control options	Hand lever operated; Gearbox, pneumatic actuator, electric actuator

Butterfly Valve

Technical Data

Dimensions

Components

Technical Data

PRESSURE VARIATION ACCORDING TO TEMPERATURE

For water and non-hazardous fluids with regard to which the material is classified as CHEMICALLY RESIS- TANT. In other cases, a reduction of the nominal pressure PN is required (25 years with safety factor).

PRESSURE DROP GRAPH

K_V 100 FLOW COEFFICIENT

DN	40	50	65	80	100	125	150	200
Kv100 l/min	1000	1285	1700	3550	5900	9850	18700	30500

The K_v 100 flow coefficient is the Q flow rate of litres per minute of water at a temperature of 20°C that will generate Δp= 1 bar pressure drop at a certain valve position. The Kv100 values shown in the table are calculated with the valve completely open.

Dimensions

RVUIV-RVUIT

RVUIV PVC-U rigid – RVUIT PVC-U transparent

Sediment strainer with female union ends for solvent welding

d	DN	PN RVUIV	PN RVUIT	A max	B	E	H	L	Z	Fig.	g	RVUIV EPDM code	RVUIT EPDM code
16	10	16	16	125	72	55	135	14	107	A	203	RVUIV016E	RVUIT016E
20	15	16	16	125	72	55	135	16	103	A	211	RVUIV020E	RVUIT020E
25	20	16	16	145	84	66	158	19	120	A	358	RVUIV025E	RVUIT025E
32	25	16	16	165	95	75	176	22	132	A	526	RVUIV032E	RVUIT032E
40	32	16	10	190	111	87	207	26	155	A	733	RVUIV040E	RVUIT040E
50	40	16	10	210	120	100	243	31	181	A	1095	RVUIV050E	RVUIT050E
63	50	16	10	240	139	120	298	38	222	A	1843	RVUIV063E	RVUIT063E