PTFE Lined Diaphragm Valve

Eman PTFE Lining is a leading producer of PTFE, FEP, and PFA Lined Check Valves in Tarboul, Egypt. Manual or automatic operation through control systems is possible with the PTFE Diaphragm Valves. They are employed in industries like food and beverages, semiconductors, pharmaceutical and biotech. Flow across the PTFE lined diaphragm valve is regulated by a soft flexible diaphragm that toggles to open or close an orifice across the valve body. PFA Diaphragm Valves have the interior coated with PFA polymer and the valve bodies are constructed of stainless steel, ductile iron, carbon steel, cast iron, or high alloys based on the particular pipeline application.

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What is PTFE Lined Diaphragm Valve?

PTFE Lined Diaphragm Valve is a control valve internally lined with PTFE (Polytetrafluoroethylene) to avoid corrosion and chemical attack. The action of the valve is carried out by a flexible diaphragm which bends up and down in order to open or close the flow path. With extensive uses in pharmaceutical, food and beverages, biotechnology and semiconductor industries, the valve delivers high purity and leakage-free operation. The PTFE lining also protects the valve body from aggressive media, enhancing life and 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 Tarboul, Egypt

Eman PTFE Lining is a leading supplier of PTFE Lined Diaphragm Valve in Tarboul, Egypt, offering high-quality, corrosion-resistant solutions ideal for chemical, pharmaceutical, and industrial applications.

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Why Choose Eman 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 Eman 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)

What is the difference between a lined and an unlined diaphragm valve?

Lined valves have an internal PTFE layer for corrosion resistance, while unlined valves are typically used for non-corrosive or general-purpose fluids.

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.

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.

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.

How often do PTFE diaphragms need to be replaced?

Replacement frequency depends on operating conditions, but regular inspection and maintenance can extend service life significantly.