Name: GKV225A PTFE/Teflon Lined Ball Valve SS CS WCB Flanged ANSI
Availability: InStock

GEKO PTFE/Teflon Lined Ball Valves | Corrosion-Resistant Chemical Service

Size range

DN 15–DN 400

Body Material

Carbon steel (WCB) or stainless steel (CF8/CF8M) with external coating; optional ductile iron for cost-effective builds

Temperature range

−20°C to +220°C

Stem material

Stainless steel with PTFE/Teflon sleeve at the wetted interface

Working pressure

ASME Class 150 (up to 19 bar @ 20°C); PN16; JIS 10K

Seat material

PTFE, RPTFE, or PFA-encapsulated

Ball material

Stainless steel core, fully PFA encapsulated

Body Style

Two Pieces

Design Standards

MSS SP110, ASME B16.5/B16.10/B16.11/B16.25, EN 1092-1, JIS 10K, ISO 5211

Termination

Flanged

GEKO PTFE/Teflon lined ball valves feature full PTFE/Teflon lining on all wetted surfaces, a full-bore flow path, and tight shut-off for demanding acids/alkalis/solvents.

The smooth, non-stick PTFE/Teflon surface minimizes buildup, reduces cleaning time, and extends service life. Designs support manual, pneumatic, or electric actuation with ISO 5211 mounting.

Parameter	Specification
Size Range	DN 15–DN 300 (½"–12"), larger sizes on request
Pressure Rating	ASME Class 150 (up to 19 bar @ 20°C); PN16; JIS 10K
Temperature Range	−20°C to +200°C (PTFE/RPTFE seats), up to +220°C with special seats/seals
Body Material	Carbon steel (WCB), stainless steel (CF8/CF8M)
Lining Material	PTFE/Teflon, optional anti-permeation grade
Ball	Stainless steel core, fully PTFE/Teflon encapsulated
Seats	PTFE, RPTFE, or PTFE/Teflon-encapsulated
Stem	Stainless steel with PTFE/Teflon sleeve; blow-out-proof
Seals	PTFE, FKM, EPDM, optional FFKM for high temp/solvents
End Connections	Flanged — ASME B16.5, EN 1092-1, JIS 10K
Face-to-Face	ASME B16.10 / ISO 5752 short pattern
Testing Standard	API 598 / EN 12266-1, leakage rate A
Automation	ISO 5211 direct mount, pneumatic/electric actuators

Custom Options

Anti-permeation PTFE/Teflon lining for high-diffusion media

High-temperature kits (up to 220°C)

Low-temperature service (down to −40°C)

FDA-compliant wetted materials

ATEX certification for hazardous areas

SIL-ready actuation packages

Quick Selection Guidance (seat/seal vs. service)

Strong acids / oxidizers: PTFE/Teflon lining + PTFE/RPTFE seats, FFKM stem seals if >150°C

Strong alkalis: PTFE/Teflon + PTFE seats; FKM or EPDM packing per CIP chemistry

Solvents/aromatics: PTFE/Teflon + RPTFE seats; FFKM seals to minimize swelling/permeation

Slurries/abrasives: PTFE/Teflon + reinforced RPTFE seats, full-bore to reduce erosion

Features：

Full PTFE/Teflon Lining – Complete lining of body and ball for superior resistance to acids, alkalis, and solvents.

Zero Leakage – High-performance seats and PTFE/Teflon lining ensure tight shut-off and safe operation.

Wide Temperature Range – Standard −20°C to 200°C, optional up to 220°C or low-temperature service.

Material Flexibility – Carbon steel or stainless steel body with PTFE/RPTFE/PFA seats to match different media.

Automation Ready – ISO 5211 mounting for manual, pneumatic, or electric actuators.

Low Maintenance – Smooth PTFE/Teflon surface reduces deposits and cleaning frequency, extending service life.

International Standards Compliance – Designed and tested per MSS SP110, ASME, EN, JIS, API standards.

Pain Points & Solutions：

Corrosive Media Damage → Full PTFE/Teflon lining isolates corrosive fluids, extending valve life.

Clogging from Viscous or Solid Media → Full-bore flow ensures smooth passage and reduces downtime.

Frequent Leakage Issues → High-performance seats plus lining provide zero leakage for safety and compliance.

Temperature/Pressure Fluctuations → Designed for high/low temperature and adjustable seat/seal options.

Difficult Automation Upgrade → ISO 5211 standard interface allows easy actuator installation.

  Maintenance Manual

   Lined fluororubber ball valve - English
Product Brochure

Lined fluororubber ball valve - English

Chemicals & Petrochemicals
Handling strong acids (H₂SO₄, HCl, HNO₃), alkalis (NaOH, KOH), solvents; reactor outlet, chemical transfer, tank isolation.
Pharmaceuticals
Chemical dosing lines, corrosive utility systems, waste neutralization, safe process isolation.
Food & Beverage
CIP acid/alkali transfer, flavor concentrate handling, non-reactive surfaces, sanitary processes.
Mining & Minerals
Acid leaching, slurry isolation and transfer, tailings neutralization, chemical handling lines.
Water & Wastewater
pH adjustment chemicals, coagulants, disinfectants, aggressive fluid isolation, treatment plants.

Hot Tags :

Durable PTFE Lined Ball Valve For Chemical Plants

High Pressure PTFE Lined Valve

Flanged PTFE Ball Valve For Chemical Industry

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