PTFE Lined Diaphragm Valve

Peter PTFE Lined Pipe is a top manufacturer of PTFE, FEP, and PFA Lined Check Valves in Africa. The PTFE Diaphragm Valves can be operated manually or automatically through control systems. Some uses for these are the food and drinks, semiconductors, pharmaceutical, and biotech industries. Flow within the PTFE lined diaphragm valve is controlled by a soft flexible diaphragm that switches to either open or close an orifice in the body of the valves. PFA Diaphragm Valves contain PFA polymer internally coated, and the valve bodies are made of stainless steel, ductile iron, carbon steel, cast iron, or high alloys depending on the specific pipeline application.

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What is PTFE Lined Diaphragm Valve?

A PTFE Lined Diaphragm Valve is a valve for flow control constructed with a PTFE (Polytetrafluoroethylene) interior coating for protection against corrosion and chemical attack. It operates using the mechanism of a flexible diaphragm, which moves in an up-and-down direction to close or open the flow channel. Used in large numbers by pharmaceutical, food and beverage, biotech and semiconductor industries, the valve assures high purity as well as leakage-free operation. The PTFE lining also protects the valve body from hostile media, extending life and maintaining pipeline system integrity.

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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 Africa

Peter PTFE Lined Pipe is a leading supplier of PTFE Lined Diaphragm Valve in Africa, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.

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Why Choose Peter PTFE Lined Pipe 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 Peter PTFE Lined Pipe

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)

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 does a diaphragm valve work?

A flexible diaphragm seals against a weir or seat to control flow. It’s operated manually or pneumatically, offering leak-tight shut-off and isolation.

Where are PTFE lined diaphragm valves used?

They are used in chemical processing, pharmaceuticals, food industries, and water treatment where chemical resistance and contamination-free flow are critical.

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.