Omega Products FVLT102 User Manual

PTFE NEEDLE VALVES

FVLT101

service. The simplicity of design— there are only seven components (including a single PTFE O-ring)— assures reliability and minimizes sources of leakage. It takes seconds to disassemble the valve

⻬ Fluids Contact PTFE Only ⻬ Structurally Rigid

Metal Shell

⻬ One PTFE O-Ring

for cleaning and maintenance. The PTFE O-ring is radially compressed and due to this unique design feature the degree of compression may be adjusted without disassembly by tightening the

The FVLT100 Series compact and reliable PTFE needle valves are designed for laboratory and industrial applications for regulating corrosive gases and liquids or for high purity service. They may also be used as shut off valves.

PTFE bodies of the valves are reinforced by structurally rigid metallic shells. Fluids contact only PTFE and CTFE materials. Shells are made of anodized aluminum or type 316 stainless steel and bushings are made of plated brass or 316 stainless steel. Where externally corrosive conditions exist stainless steel is recommended. Valve spindles are made of rigid CTFE to minimize the undesirable material “creeping” normally associated with PTFE.

The FVLT100 Series PTFE valves are designed for relatively high flow ranges while still performing well in low flow rates. Valves may be used

hexagonal bushing.

The FVLT110 Series metering valves are constructed of PTFE and PCTFE materials. Non-fluid contacting external parts are made of anodized aluminum.

Valves are offered in three conveniently overlapping flow ranges. Safety handle prevents over tightening and facilitates fine metered regulation. FVLT110 Series valves are useful in regulating the flow of corrosive gases and liquids. They may be used in pressure or non-critical vacuum service and serve as bubble tight shutoff valves.

SPECIFICATIONS

Maximum Pressure: 75 psig (517 kPa) Maximum Temperature: 65°C (150°F) Orifice Size: 3.175 mm dia. (0.125") Materials of Construction Fluid

Contacting: FVLT100/FVLT110: Body

and O-ring-PTFE. Valve spindle-CTFE

FVLT101, $50, shown larger than actual size.

Non Fluid Contacting:

FVLT100: Shell - Aluminum

(anodized) or 316 stainless steel Bushing - plated brass, or 316 stainless steel. Adjusting Knob-phenolic

FVLT110: Shell + Handle Aluminum (anodized)

Number of Turns to Fully Open:

FVLT100: 6 FVLT110: 8

in pressure or non-critical vacuum

MOST POPULAR MODELS HIGHLIGHTED!

To Order (Specify Model Number)

Maximum Flow**

ml/min ml/min Model No. Price Air Water Cv Connections Non Wetted Materials FVLT101 $50 2400 130 0.011 FVLT102 50 55000 2800 0.250 FVLT103 169 2400 130 0.011 FVLT104 169 55000 2800 0.250 FVLT101-SS 75 2400 130 0.011 FVLT102-SS 75 55000 2800 0.250 FVLT103-SS 193 2400 130 0.011 FVLT104-SS 193 55000 2800 0.250 FVLT111 100 600 36 0.003 FVLT112 100 3000 180 0.015 FVLT113 100 30000 1800 0.150 FVLT114 200 600 36 0.003 FVLT115 200 3000 180 0.015 FVLT116 200 30000 1800 0.150

Flow rates are based on 10 psig (69 kPa) inlet pressure and atmospheric exhaust.

Ordering Examples: FVLT101, PTFE wetted parts with a shell of aluminum and bushing of brass, $50. FVLT112, PTFE wetted parts with a shell of aluminum and bushing of brass, $100.

⁄8" FNPT Aluminum/Brass

⁄4" Comp. Aluminum/Brass

⁄8" FNPT 316 Stainless Steel

⁄4" Comp. 316 Stainless Steel

⁄8" FNPT Anodized Aluminum

⁄4" Comp. Anodized Aluminum

J-72

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