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Lever Operated Butterfly Valve

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Lever Operated Butterfly Valve Specification

Connection
Flanged / Wafer

Valve Type
Lever Operated Butterfly Valve

Material
Cast Iron / Stainless Steel / Ductile Iron

Power Source
Manual

Pressure
PN10 / PN16 / PN25 rated

Media
Water, Air, Oil, Gas, Steam

Working Temperature
Up to 120°C

Port Size
50mm to 600mm (2 to 24)

Shape
Wafer / Lugged

Operation
Quarter Turn Lever Handle

Corrosion Resistance
High

Face to Face
EN558-1 Series 20 / ISO Standard

Mounting
ISO 5211 Top Flange

Disc Material
Stainless Steel / Ductile Iron / CI

Stem Material
Stainless Steel / Carbon Steel

Leakage Class
Zero Leakage

Design Standard
BS EN 593 / API 609

Body Coating
Epoxy Powder Coated

Handle Material
Mild Steel / Coated Steel

Seat Material
EPDM / Nitrile / PTFE

Testing Standard
API 598

Size Range
50mm to 600mm

Application
Industrial, Water Treatment, HVAC, Oil & Gas

Pressure Rating
Class 150 / PN10 / PN16 / PN25

End Connection
Wafer, Lug Type

Lever Operated Butterfly Valve Trade Information

Main Domestic Market
All India

About Lever Operated Butterfly Valve

X2CDBFV model Butterfly valve incorporates the optimum design features to provide long trouble free service in the field. This general purpose soft seated Butterfly valve has a fully rubber lined single piece body with a centric disc construction and is available in wafer type body paten. The body liner which also functions as the soft seat, comes in either a replaceable version or an integrally moulded (bonded) version and offers -100 % bi-directional sealing against full vacuum to rated pressures of PN10 or PN16. The wafer style body has universal design to fit between pipe flanges of almost all popular flange standards.

Designs Features

MOC	CI/WCB/CF8/CF8M - (CF3/CF3M And high nickel Alloys on Request)
Valve Design	Concentric Design
Size	40mm to 200mm (1 1/2" TO 8")
End Connection	Wafer End
Pressure Class	PN10/PN16
Operation	Manual
Design & manufacturing Standard	BS EN 593 / ISO 5211
Testing & Inspection	API 598
Face to Face	BS EN 558

Key Featuresiii

Self lubricated PTFE bearings for both drive end and non-drive end shaft ensures minimum bearing friction torque.
Seat liner extending on to the flange contact faces, eliminates the need for separate flange gaskets during installation.
Bi-directional valve with tight shut-off sealing capability to hold vacuum to rated pressure in either direction
Suitability for ON/OFF as well as throttling duties.
Choice of seat and disc materials to suit media conditions and service requirements.
Excellent adaptability for actuated operation through standardized top flange mounting dimensions for actuator fitment.

iTechnical Specification

Description	Material
Body	Cast Iron/Ductile Iron/S.G.Iron/WCB/CF8/CF8M- (CF3-CF3M On Request)
Disc	S.G.Iron/WCB/CF8/CF8M- (CF3-CF3M On Request)
Seat	EPDM/Nitrile/Neoprene/Viton/Silicon
Shaft	SS304/SS316/SS410
Handle	MS

Testing Parameters-PN10i

Test Type	Unit-Bar	Unit-PSIG
Hydro. Shell	15	220
Hydro. Seat	11	160
Air/Pneumatic	7	80

Testing Parameters-PN16

Test Type	Unit-Bar	Unit-PSIG
Hydro. Shell	24	340
Hydro. Seat	16	230
Air/Pneumatic	7	80

Superior Flow Regulation for Diverse Applications

Designed to deliver reliable isolation and precise flow modulation, this lever operated butterfly valve is well-suited for industries like water treatment, HVAC, and oil & gas. Its manual quarter turn operation is intuitive, ensuring swift on/off or throttling capabilities across various media, including water, air, oil, gas, and steam. Durable materials and coatings enhance its performance and service life, particularly in corrosive environments.

Robust Construction with Flexible Configuration

Users can select from a variety of disc, seat, and stem materials to tailor the valve to specific process requirements. Coated with epoxy powder, the body resists corrosion, while the zero-leakage feature ensures cost-efficient and safe operation. Both wafer and lug end connections facilitate compatibility with flanged piping systems, while compliance with international standards guarantees widespread acceptability and reliability.

FAQ's of Lever Operated Butterfly Valve:

Q: How does the lever-operated butterfly valve provide flow control?

A: The quarter turn lever handle allows users to quickly and precisely open, close, or throttle the valve, enabling efficient control of media such as water, air, oil, gas, or steam.

Q: What materials are used in the valve construction for corrosion resistance?

A: The valve utilizes stainless steel, ductile iron, or cast iron for the disc, combined with EPDM, Nitrile, or PTFE seats and an epoxy powder coated body, providing high resistance to corrosion and ensuring durability in harsh industrial conditions.

Q: When should I choose PTFE, EPDM, or Nitrile seat material?

A: PTFE is ideal for chemical compatibility and high temperatures, EPDM suits water and mild chemicals, while Nitrile is preferred for oil, gas, or hydrocarbon services. The choice depends on the media being handled and the working temperature.

Q: Where can these butterfly valves be installed?

A: They are suitable for installation in water treatment plants, HVAC systems, oil & gas pipelines, and various industrial processing lines, accommodating flanged or wafer piping arrangements.

Q: What is the standard process for testing the valve's leakage and performance?

A: All valves are tested in accordance with API 598, which assures zero leakage and compliance with accepted international performance standards.

Q: What are the key benefits of using this type of butterfly valve in industrial settings?

A: Key benefits include fast and easy manual operation, zero leakage, high corrosion resistance, compatibility with multiple media types, and adherence to global standards, making it a reliable and economical solution for fluid control.

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