Product Catalog

Fluoropolymer-Lined Gate Valve (Z41F46)

Industrial valves and fittings dispatch fast — wear parts and complete machines quoted on request.

Lined Valves

Fluoropolymer- and rubber-lined valves for acid, alkali and corrosive service — gate, globe, butterfly, diaphragm, check and Y-strainer, DN15 to DN1200 at PN0.6–1.6 MPa. The lining is the working surface: it suits corrosive media but not abrasive slurry, and it is the part that fails if the valve is throttled or run dry. Lining grade (PTFE, FEP or PFA) and body material are confirmed per order.

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Lined gate valve for on/off isolation where pressure drop matters: the gate retracts fully into the bonnet, leaving a straight bore. Body bore and wedge are fluoropolymer lined; sizes DN15 to DN500 at PN0.6–1.6 MPa (150 lb available). Rising stem shows position, and the flanged ends suit standard acid piping. Like every lined valve it is an isolation device — partial opening erodes the lining, so throttle with a globe valve instead.

General Specifications

Size RangeDN15 – DN500
Pressure RatingPN0.6 / PN1.0 / PN1.6 (150 lb on request)
TypeRising-stem gate valve, full bore
OperationHandwheel; gear or electric operator on request
Max. Working Temperature-20 – 120 °C (F46 lining); ≤ 85 °C (rubber lining)

Materials & Coating

BodyCarbon steel WCB
LiningFEP (F46) standard; PTFE (F4) on request — body bore and wedge
WedgeLined solid wedge
MediaStrong acids and alkalis — isolation only

Applications

Acid header isolation Storage tank outlets Effluent transfer mains Chemical plant tie-ins

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Fluoropolymer-Lined Gate Valve (Z41F46) — 1