PTFE Lined Check Valve

Grayson PTFE Lined Pipe is a leading PTFE, FEP, and PFA Lined Check Valve manufacturer based in Midland, UK. PTFE Check Valves are among the valve types that direct fluid movement within a piping system in such a way that liquid can travel only in a single direction with automatic backflow protection. Of the various types, the PTFE lined swing check valve incorporates a swinging type and an inner PTFE synthetic polymer finish for extra longevity. Disc and ball check valves are the remaining types, but each has its own style of flow control. PTFE lined ball valves actually include an internal PTFE finish which minimizes erosion and corrosion as a result of aggressive fluids. This lining provides protection to ensure that the valve’s inner material is not compromised by internal environmental conditions, enhancing longevity and performance.

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What is PTFE Lined Check Valve?

A PTFE Lined Check Valve is a check valve employed to prevent backflow in piping systems and permit fluid flow in a single direction only. The valve interior is lined with PTFE (Polytetrafluoroethylene), a chemical-resistant synthetic polymer that protects against aggressive chemicals and harsh fluids. Swing, ball and disc check valves are typical varieties with differences in flow control mechanism. The strength is enhanced by the PTFE lining, maintains the integrity of the core material of the valve and offers safe operation under demanding industrial conditions.

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PTFE Lined Check Valve Specification

Size : 25 NB to 200 NB

Standard Resin Specifications : PTFE : ASTM D 1457, PFA : ASTM D 3307, PVDF: ASTM D 3222, FEP : ASTM D 211

Outer body : ASTM A 395 Gr 60-40-18

Flange Connection : ANSI B 16.5

Face to Face : ANSI B 16.10

Spark Test : 15 KVA

Hydro Test : at 29.8 kg/cm2

FEP- Max Temp : 180° C

PP Max Temp : 100° C

PFA Max Temp : 200° C

Largest PTFE Lined Check Valve Supplier in Midland, UK

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

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Why Choose Grayson PTFE Lined Pipe for PTFE Lined Check Valve?

Types of PTFE Lined Check Valve We Offer

Dimension Chart of PTFE Lined Check Valve

SIZE	L	H
15	130	105
20	150	115
25	127	125
40	165	160
50	178	175
80	203	240
100	229	270
150	400	330
200	600	381

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Quality Control Facilities at Grayson PTFE Lined Pipe

Benefits of PTFE Lined Check Valve

Excellent Corrosion Resistance
Protects against harsh chemicals, ensuring longevity.
Tight Shut-Off Capability
Offers a bubble-tight seal, preventing leakage and enhancing system safety in both on/off and throttling applications.
Wide Temperature Range
Can operate effectively in a broad temperature range, typically up to 200°C.
Low Maintenance
Requires less upkeep due to durable PTFE lining.

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Applications of PTFE Lined Check Valve

Frequently Asked Questions (FAQ)

What is a PTFE Lined Check Valve?

A PTFE Lined Check Valve is a valve that prevents reverse flow in pipes, featuring a lining made of PTFE to enhance corrosion resistance and chemical compatibility.

What industries use PTFE Lined Check Valves?

PTFE Lined Check Valves are widely used in industries like chemicals, pharmaceuticals, oil and gas, food processing, and water treatment due to their chemical resistance and reliability.

What materials are used in PTFE Lined Check Valves?

PTFE Lined Check Valves typically feature a valve body made from carbon steel or stainless steel, with a PTFE (Polytetrafluoroethylene) lining for enhanced chemical resistance and durability.

How does a PTFE Lined Check Valve operate?

The valve allows fluid to flow in one direction and automatically closes to prevent backflow when the flow stops. The PTFE lining ensures minimal wear and tear over time.

How should I maintain a PTFE Lined Check Valve?

To maintain optimal performance and extend the valve’s lifespan, regularly inspect for wear and tear, clean the valve, and ensure the PTFE lining is properly sealed.