PTFE Lined Diaphragm Valve

Harry PTFE Lining is a top producer of PTFE, FEP, and PFA Lined Check Valves in Midland, UK. The PTFE Diaphragm Valves can be operated manually or automatically through control systems. The uses of these are in the food and beverages, semiconductors, pharmaceutical, and biotech industries. Flow in the PTFE lined diaphragm valve is regulated by a soft flexible diaphragm that toggles to either open or close an orifice in the valve body. 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 use.

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What is PTFE Lined Diaphragm Valve?

A PTFE Lined Diaphragm Valve is a flow control valve constructed with an internal coating of PTFE (Polytetrafluoroethylene) for corrosion protection and chemical attack. It is based on the concept of a flexible diaphragm that moves up and down to close or open the path of flow. Used extensively in pharmaceutical, food and beverage, biotech and semiconductor industries, the valve ensures high purity and 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 Midland, UK

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

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Why Choose Harry 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 Harry 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 a PTFE lined diaphragm valve?

A PTFE lined diaphragm valve uses a PTFE-coated diaphragm and body lining to resist corrosion and handle aggressive media.

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 are the key benefits of PTFE lining in diaphragm valves?

PTFE offers superior chemical resistance, leak-proof performance, easy cleaning, and long service life.

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.

Are PTFE lined diaphragm valves suitable for hygienic applications?

Yes, the smooth PTFE surface prevents contamination, making them perfect for sanitary and clean processes.