Catalog excerpts
These 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. Pliant PTFE bodies of the valves are reinforced by structurally rigid metallic shells. Fluids contact only PTFE and PCT-FE 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 PCTFE to minimize the undesirable material “creeping” normally associated with PTFE. PTFE valves are designed for relatively high flow ranges while still performing well in low flow rates. Valves may be used in pressure or non-critical vacuum 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 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 hexagonal bushing. design features ✓ Fluids contact PTFE and PCTFE only. ✓ Structurally Rigid Metal Shell. ✓ One PTFE o-ring. ✓ Simplicity only seven components. Note: Based on 10psig (69 kPa) inlet pressure and atmospheric exhaust. ORDERING INFORMATION PTFE NEEDLE VALVES PTFE Needle valve with Stainless Shell and FNPT Fittings MAXIMUM PRESSURE 75 psig (517 kPa) MAXIMUM TEMPERATURE 150 °F (65 °C) ORIFICE SIZE 0.125" diameter (3.175 mm) **MATERIALS OF CONSTRUCTION FLUID CONTACTING Body and o-ring-PTFE. Valve spindle-PCTFE. NON FLUID CONTACTING Shell - Aluminum (anodized) or 316 stainless steel. Bushing plated brass, or 316 stainless steel. Adjusting Knob-phenolic. **The selection of materials of construction, is the responsibility of the customer. The company accepts no liability. 55 WWW.AALBORG.COM - E-MAIL M : INFO@AALBORG.COM - PHONE S 845.770.3000 - TOLL FREE IN U.S.A. AND CANADA 1.800.866.3837 - ORANGEBURG N.Y. U.S.A.
Open the catalog to page 1VT MVTTM 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. MVTTM 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. MAXIMUM PRESSURE 75 psig (517 kPa) MAXIMUM TEMPERATURE 150 °F (65 °C) ORIFICE SIZE 0.125" diameter (3.175 mm) NUMBER OF TURNS...
Open the catalog to page 2design features ✓ Fluids contact PTFE and PCTFE only. ✓ One PTFE o-ring. ✓ Simplicity, only six components. 6mm PTFE Needle Valves ORDERING INFORMATION FOR 6mm PTFE NEEDLE VALVES Note: Based on 10psig(69 kPa) inlet pressure and atmospheric exhaust. 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. Fluids contact only PTFE and PCTFE materials. Bushings are made of 316 stainless steel. Valve spindles are made of rigid PCTFE to minimize the undesirable...
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