PTFE Lined Diaphragm Valve

Kali PTFE Lining is a Kuala Lumpur, Malaysia-based prominent producer of PTFE, FEP, and PFA Lined Check Valves. The manual or automatic operation through control systems is possible with the PTFE Diaphragm Valves. The industries using these are food and beverages, semiconductors, pharmaceutical, and biotech industries. Flow in the PTFE lined diaphragm valve is controlled by a soft flexible diaphragm switching to either open or close an orifice in the valve body. PFA Diaphragm Valves are equipped with internally coated PFA polymer and valve bodies made of stainless steel, ductile iron, carbon steel, cast iron, or high alloys depending on the specific pipeline use.

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What is PTFE Lined Diaphragm Valve?

A PTFE lined diaphragm valve is an industrial valve that is intended for controlling the flow of aggressive or corrosive fluids. It has a flexible diaphragm which acts against a seat or a weir to control flow, with the inner surfaces lined with PTFE (Polytetrafluoroethylene) for superior chemical resistance. This lining shields the valve body from aggressive media and is therefore perfectly suitable for applications in chemical processing, pharmaceuticals, and water treatment where high purity and corrosion resistance are a must.

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PTFE Lined Diaphragm Valve Specification

SIZE		ØA	H	J	L
in	mm		PD11
1/2″	15	15	100	100	108
3/4″	20	20	103	100	146
1″	25	25	108	100	146
1-1/2″	40	40	153	120	175
2″	50	50	168	120	200
2-1/2″	65	65	226	180	226
3″	80	80	237	180	260
4″	100	100	320	230	327

Largest PTFE Lined Diaphragm Valve Supplier in Kuala Lumpur, Malaysia

Kali PTFE Lining is a leading supplier of PTFE Lined Diaphragm 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 Diaphragm Valve?

Types of PTFE Lined Diaphragm Valve We Offer

Dimension Chart of PTFE Lined Diaphragm Valve

SIZE	L^$ (mm)	ØC (mm)	Torque^§ (N.m)
DN15-1/2”	108	35	80
DN20-3/4”	117	43	85
DN25-1”	127	51	115
DN40-1 1/2”	159	73	155
DN50-2”	190	92	155
DN65-2 1/2”	216	104	190
DN80-3”	254	127	200
DN100-4”	305	158	245
DN125-5”	353	185	300
DN150-6”	406	214	360
DN200-8”	520	266(min)	Available on
DN250-10”	635	320(min)	Request

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Quality Control Facilities at Kali PTFE Lining

Benefits of PTFE Lined Diaphragm Valve

High Temperature Resistance
Performs efficiently under a wide range of temperatures without deformation or breakdown.
Excellent Corrosion Resistance
Resists aggressive chemicals, acids, and corrosive fluids, making it ideal for harsh environments.
Leak-Proof Design
Offers tight sealing to prevent leakage and ensure system safety.
Long Service Life
Durable construction and chemical resistance enhance longevity even in continuous use.

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Applications of PTFE Lined Diaphragm Valve

Frequently Asked Questions (FAQ)

In which industries are PTFE lined diaphragm valves commonly used?

These valves are widely used in industries such as chemical processing, pharmaceuticals, food and beverage, and water treatment, where resistance to corrosive media and contamination-free flow are essential.

What sizes are available for PTFE lined diaphragm valves?

They are available in a wide range of sizes, commonly from ½ inch to 12 inches, customizable based on specific industrial needs.

Are these valves suitable for sanitary applications?

Yes, PTFE lined diaphragm valves are ideal for sanitary use due to their smooth, non-contaminating surfaces and ease of cleaning.

How do PTFE lined diaphragm valves function?

PTFE lined diaphragm valves operate by using a flexible diaphragm that presses against a raised weir or seat to start, stop, or regulate fluid flow. They can be manually or pneumatically actuated and provide a tight, leak-proof seal for effective isolation.

Can PTFE lined diaphragm valves handle high temperatures?

Yes, they can handle moderate to high temperatures, typically up to 200°C, depending on design and application requirements.