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PTFE Sleeved Plug Valves

Price 6000 INR/ Unit

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MOQ : 1 Number

PTFE Sleeved Plug Valves Specification

Connection
Flanged ends (ANSI, DIN, JIS standards possible)

Sealing
PTFE (Teflon) sleeve ensures bubble-tight sealing

Application
Chemical, Petrochemical, Pharmaceutical, Food & Beverage, Water Treatment

Size
DN15 to DN200 (1/2 to 8)

Material
Body: Cast Iron/Carbon Steel/Stainless Steel; Sleeve: PTFE (Polytetrafluoroethylene)

Valve Structure
2-way plug valve with PTFE sleeve lining

Media
Water, Oil, Gas, Acid, Alkali, Corrosive fluids

Temperature of Media
-29C to 180C

Weight
Varies by size; approx 3 kg to 30 kg

Dimension (L*W*H)
Dimensions depend on nominal size, typically from DN15DN200

Power Mode
Manual (Lever or Gear operated)

Operating Pressure
Up to 16 bar (232 psi)

Corrosion Resistance
Excellent due to PTFE lining

End Flange Drilling
ANSI B16.5 / DIN / JIS available

Leakage Class
Class VI bubble tight

Maintenance
Low, due to non-lubricated design

Operation
Quarter-turn (90° rotation)

Anti-Blowout Stem
Yes, standard design

Port Design
Full port (full bore) construction

Fire Safe Design
Available on request

Handle Type
Detachable steel lever or hand wheel for gear type

Plug Material
Stainless steel, fully encapsulated in PTFE

Design Standard
API 599 / BS 5353 / DIN EN 12266-1

Face-to-Face Dimension
As per ASME B16.10/DIN 3202 standards

About PTFE Sleeved Plug Valves

FLOWBIZPTFE Sleeved Plug ValvesThe barrier fit of the taper plug with the PTFE sleeve produces a bubble-tight seal. Sleeve wrapping of the plug and sealing occur around the circumference of the pin. The purity of the seal is autonomous by line pressure.

The rugged construction, reliable bubble-tight sealing, and in-situ maintenance feature make the valve perfect for chemicals and highly aggressive process media.

Sizes: 15mm to 300mm

Class: 150, 300 and 300

Compliance Standards

Valve Design: ASME B16.34, EN12516-2

Wall Thickness: ANSI B16.34

Face-to-Face: ASME B16.10, ASME B16.11

Flange Dimensions: ANSI B16.5

Pressure Testing: API 598

Fire Test: API 607

Industries:

Fertilizers
Chemicals
Oil & Gas
Refineries
Paper & Pulp
Metals & Mining
Sugar
Food & Pharma
Distilleries
Power
Water & Waste Water

Applications:

Phosphate, Ammonia & Urea

Sulphuric Acid, Phosphoric Acid

Chemicals, Aromatics & Specialty Chemicals

Steel, Copper, Aluminum, Cobalt & Steel plants

Molten Sulphur

Pipelines, Supply & Distribution Skids

Superior Corrosion Resistance

PTFE sleeved plug valves are manufactured to withstand highly corrosive fluids, ensuring long-lasting protection and minimal degradation from chemicals, acids, or alkalis. The PTFE lining inside the valve effectively isolates the metallic plug and body, preventing direct contact with aggressive media and significantly extending valve life in harsh operational environments.

Reliable Bubble-Tight Sealing

With Class VI bubble-tight sealing achieved by a PTFE sleeve, these plug valves provide secure shutoff for applications requiring zero leakage. The sealing performance is consistent across a wide range of pressures and temperatures, guaranteeing safety and process integrity in critical systems. This reliability is vital for industries where safety and cleanliness are priorities.

Low Maintenance Operation

The PTFE sleeved, non-lubricated design drastically reduces maintenance needs, eliminating routine lubrication while sustaining smooth operation. The valve's robust construction and anti-blowout stem ensure operational safety, and the detachable handle or gear-operated handwheel offers convenient manual control. This makes it an efficient choice for facilities seeking reduced downtime and cost-effective maintenance.

FAQ's of PTFE Sleeved Plug Valves:

Q: How does the PTFE sleeved plug valve protect against corrosion in chemical processing?

A: The PTFE lining fully encapsulates the plug and sleeve, creating a chemically inert barrier that prevents corrosive media from contacting the internal metal surfaces, ensuring durability and consistent performance in harsh chemical environments.

Q: What media can be safely handled with these PTFE sleeved plug valves?

A: These plug valves are suitable for a broad range of fluids, including water, oil, gas, acids, alkalis, and corrosive chemicals, making them versatile for various industrial processes such as chemical, pharmaceutical, food, and water treatment applications.

Q: When should I consider a fire safe design for a PTFE sleeved plug valve?

A: A fire safe design is recommended for installations where exposure to fire hazards is possible or where strict safety regulations demand it. Fire safe options are available upon request to fulfill elevated safety standards.

Q: Where are these valves typically installed in process plants?

A: PTFE sleeved plug valves are commonly installed in pipelines, storage tanks, process reactors, and distribution manifolds within chemical, petrochemical, pharmaceutical, and water treatment plants, wherever leak-tight isolation of corrosive or hazardous fluids is required.

Q: How is the valve operated and maintained?

A: Operation is manual, achieved by quarter-turn lever or gear-driven handwheel, ensuring fast open/close cycles. Maintenance is minimal due to the PTFE sleeve's non-lubricated design, but periodic inspection is recommended for optimal performance in demanding environments.

Q: What benefit does the full port construction provide to users?

A: Full port designs allow unrestricted flow, reducing pressure drop and enabling efficient transfer of media. This makes these valves ideal for high-flow processes where minimizing energy loss and maintaining throughput is critical.

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