Lok Type Valve Lok Type Needle Valve - NVS1, 3/4 inch
| Product Name | Lok Type Needle Valve (NVS1) - 3/4 inch |
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| Features | Working pressure up to 5,000psig (344bar) at 100°F (38℃) |
| Features | Temperature rating from -65°F(54℃ ) to 450°F (232℃) |
| Features | Reliable Lok Tube Fitting Ends NPT&ISO Male&Female |
| Features | Metal to metal Vee & Regulating stems for elevated temperatures |
| Features | Hard Chrome plated stem threads assures extended service life |
| Features | allows panel installation |
List
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Detail view
Lok Type ValveIt can be applied to various process and system configuration of the whole industry such as plant industry, chemical, water jet, oil, gas, etc
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| HIFLUX Lok Fitting (FLUXLOK) can be applied for various industries such as chemical, petrol chemical, waterjet , fliud research industries, gas and oil industries. |
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FeaturesWe will guide you through the product’s features and benefits.
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Working pressure up to 5,000psig (344bar) at 100°F (38℃). Temperature rating from -65°F(54℃ ) to 450°F (232℃) with Standard PTFE packing. Reliable Lok Tube Fitting Ends NPT&ISO Male&Female. Metal to metal Vee & Regulating stems for elevated temperatures. Hard Chrome plated stem threads assures extended service life. allows panel installation. allows external adjustments of packing
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SpecificationWe will guide you through the model name, specifications, and dimensions for each product.
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As all sizes are for reference, they can be changed without any notification. Please contact us for details or send to online inquiry, we will give you respond as soon as possible. For the most effective fitting, it is recommended to use Fitting Accessory and Tubing of HIFLUX.
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StructureWe will guide you through the structure of each product.
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InformationWe will guide you through product details.
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Pressure-Temperature Ratings
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| Panel Mounting |
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Divide1. Loosen the handle set screw using an allen key and remove the handle. 2. Remove the packing nut & panel nut and set aside for later use. 3. Place the valve bonnet in the panel hole. Reassembly4. Tighten the panel nut on to the valve bonnet. keep the panel nut always on the external portion of the panel. 5. Finger tighten the packing nut on to the valve body 6. Place the handle on the stem. Align the set screw with the groove on the side of the stem. Tighten the set screw. 7. Fully close the valve and retract the stem two or three turns before torque the packing nut to the torque valve below. |
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AssemblyWe will guide you through the assembly process of fitting and tube.
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![]() 1. Fully insert the tube into the fitting and against the shoulder; rotate the nut finger-tight. 2. Mark the nut at the 6 o’clock position. 3. While holding the fitting body steady, tighten the nut one and one-quarter turns to the 9 o’clock position. |
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ApplicationCheck out the products applied in various fields.
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FLUXLOK is brand for Lok fitting of HIFLUX Co., Ltd. Suitable for chemical, oil refining, research, oil and gas companies, this product is used for various pressures. Has not torque transition for tubing in installation. Can be checked and inspected easily during the first installation. |
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Working pressure up to 5,000psig (344bar) at 100°F (38℃).


FLUXLOK is brand for Lok fitting of HIFLUX Co., Ltd.