PTFE Lined Butterfly Valve

Kali PTFE Lining is a leading manufacturer and supplier of PTFE, FEP, and PFA Lined Butterfly Valves, based in Kuala Lumpur, Malaysia, and well known for delivering corrosion-resistant and high-performance lined Valves. Butterfly valves lined with PTFE have a disc lined with PTFE for resisting chemical attack and smooth running. PTFE seat butterfly valves use a PTFE-lined seat to create a leak-tight, secure seal, suitable for the handling of aggressive media. Both styles operate by turning the disc 90 degrees to control flow, providing lasting sealing and durability in rigorous industrial applications.

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What is PTFE Lined Butterfly Valve?

A PTFE Coated Butterfly Valve is a butterfly valve coated with a layer of PTFE (Polytetrafluoroethylene), FEP (Fluorinated Ethylene Propylene), or PFA (Perfluoroalkoxy) for increased chemical resistance. The coating shields the valve against corrosion, wear and chemicals in harsh conditions and is suitable for processing highly corrosive fluids in the chemical processing, pharmaceuticals and food processing sectors. It provides equal sealing and increased durability, providing effective fluid control under harsh conditions.

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PTFE Lined Butterfly Valve Specification

Seal Material	PTFE/ PFA
Working Pressure	1.6 – 6.4Mpa
Working Temperature	-29°C — +180°C
Availabe Size	1/2″-4″,(DN15-DN100)
Available Connection	BSP/ BSPT/ NPT/ Flanged/ Welded
Nominal Pressure	P10/PN16
Operation	Manual,Pneumatic, Electric
Suitable Medium	Water,Sewage,Seawater,Gas,Food,Oils,etc
Standards	GB9112,DIN2501,BS4504,ISO2084,ANSI125
Applications	Water, Oil, Gas,
Nominal Diameter	DN40-DN300 handle lever DN350-DN1200 gear box
Operation Temperature	-10°C~150°C

Largest PTFE Lined Butterfly Valve Supplier in Kuala Lumpur, Malaysia

Kali PTFE Lining is a leading supplier of PTFE Lined Butterfly Valve in Kuala Lumpur, Malaysia, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.

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Why Choose Kali PTFE Lining for PTFE Lined Butterfly Valve?

Types of PTFE Lined Butterfly Valve We Offer

Dimension Chart of PTFE Lined Butterfly Valve

SIZE	F/F†(±2) (mm)	A (mm)	B (mm)	L (mm)	Min. PipeØ* (mm)	C$ (mm)	Torque^§(N.m)
DN40-1 1/2”	33	90	65	260	26	1.5	15
DN50-2”	43	100	67	260	29	1.5	30
DN65-2 1/2”	46	115	65	260	49	1.5	40
DN80-3”	46	120	80	260	68	1.5	40
DN100-4”	52	158	95	260	88	1.5	50
DN150-6”	58^♦	190	120	325	145	1.5	100
DN200-8”	64^♦	220	162	G.Box	196	3	180
DN250-10”	70^♦	250	200	G.Box	245	3	250
DN300-12”	80^♦	270	232	G.Box	293	3	350
DN350-14”	92	300	255	G.Box	332	3	500
DN400-16”	102	300	290	G.Box	378	3	600
DN450-18”	114	395	310	G.Box	430	3	1200
DN500-20”	127	420	342	G.Box	480	3	1500
DN600-24”	156^♦	510	400	G.Box	572	6	2000

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Benefits of PTFE Lined Butterfly Valve

Corrosion Resistance
The PTFE lining protects against harsh chemicals, making the valve ideal for corrosive applications.
Smooth Operation
The low-friction PTFE surface ensures easy, efficient valve movement with minimal wear.
Temperature Resistance
Performs reliably in extreme temperatures, both hot and cold, without deformation or damage.
Low Maintenance
Requires minimal upkeep due to its durable, self-lubricating PTFE lining, reducing downtime and costs.

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Applications of PTFE Butterfly Valve

Frequently Asked Questions (FAQ)

What is a PTFE lined butterfly valve?

A PTFE lined butterfly valve is a flow control device featuring a disc that rotates and a PTFE lining that resists corrosion in aggressive chemical environments.

Can PTFE lined butterfly valves handle high temperatures?

Yes, they typically operate efficiently up to 200°C, depending on design, making them suitable for a wide range of thermal and chemical process environments.

What are the advantages of PTFE lining?

PTFE lining provides excellent chemical resistance, non-stick properties, and durability, making it ideal for handling corrosive or reactive fluids in demanding industrial applications.

In which industries are PTFE lined butterfly valves typically used?

PTFE lined butterfly valves are widely used in chemical processing, pharmaceutical manufacturing, and water treatment industries where corrosion resistance and contamination-free flow are critical for safe and efficient operations.

What are the best practices for maintaining a PTFE lined butterfly valve?

To maintain a PTFE lined butterfly valve, conduct routine inspections for wear or damage, verify correct alignment, and clean the valve to prevent residue accumulation. The non-stick properties of PTFE help minimize maintenance frequency.