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    Lok Type Products

    用于成套设备产业、化学、炼油、水射流切割机、研究领域等整个产业的各种工程和系统设备构成

    Lok Type Valve Lok Type Valve - Needle Valve (NVS1) - 3/4 inch

    产品名称 Lok Type Valve - Needle Valve (NVS1) - 3/4 inch
    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

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    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

    • Lok Type Valve Needle valve(NVS1)
      • Lok Type Needle Valve (NVS1) - 3/4 inch
      • 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
    HIFLUX Lok Fitting (FLUXLOK) can be applied for various industries such as chemical, petrol chemical, waterjet , fliud research industries, gas and oil industries.
    FeaturesWe will guide you through the product’s features and benefits.
    ico_dot.gif Working pressure up to 5,000psig (344bar) at 100°F (38℃).
    ico_dot.gif Temperature rating from -65°F(54℃ ) to 450°F (232℃) with Standard PTFE packing.
    ico_dot.gif Reliable Lok Tube Fitting Ends NPT&ISO Male&Female.
    ico_dot.gif Metal to metal Vee & Regulating stems for elevated temperatures.
    ico_dot.gif Hard Chrome plated stem threads assures extended service life.
    ico_dot.gif allows panel installation.
    ico_dot.gifallows external adjustments of packing
    SpecificationWe will guide you through the model name, specifications, and dimensions for each product.
    ico_dot.gif As all sizes are for reference, they can be changed without any notification.
    ico_dot.gif Please contact us for details or send to online inquiry, we will give you respond as soon as possible.
    ico_dot.gif For the most effective fitting, it is recommended to use Fitting Accessory and Tubing of HIFLUX.
    StructureWe will guide you through the structure of each product.
    lok Needle Valve (NVS1)

    Item Component Material / ASTM Specification
    Stainless Steel 316 Brass Alloy 400
    1 Body SS316/A182 Brass/B283 -
    2 Vee Stem SS316/A276 Alloy R-405
    3 Panel Nut SS316/A276 Brass/B16 SS316/A276
    4 Packing Ring SS316/A276 Alloy R-405/B164
    5 Inner Packing Standard : PTFE, Optional : PEEK
    6 Out Packing
    7 Packing Gland SS316/A276 Alloy R-405/B164
    8 Packing Nut SS316/A276 Brass/B16 Alloy R-405/B164
    9 Handle SS316/A276
    10 Set Screw SS304/A276
    InformationWe will guide you through product details.
    Pressure-Temperature Ratings

    ASME Material Group TABLE 2-2.2 N/A TABLE 2-3.4
    ASME Class Rating 2080 N/A 1500
    Meterial Name 316SS Brass Monel Alloy 400
    Temperature, °F (°C) Working Pressure, psig (bar)
    -65°F (-54°C) to 100 (38) 5000 (344) 3000 (206) 3000 (206)
    200 (93) 4295 (295) 2350 (161) 2640 (181)
    300 (148) 3875 (266) 2050 (141) 2470 (170)
    350 (176) 3710 (255) 1470 (101) 2430 (167)
    400 (204) 3560 (245) 390 (26) 2390 (164)
    450 (232) 3435 (236) - 2380 (163)


    Panel Mounting
    lok_sp_vv1c.gif
    ico_dot.gif Divide
    1. 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.

    ico_dot.gif Reassembly
    4. 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.
    AssemblyWe will guide you through the assembly process of fitting and tube.
    lok_sp_asm.gif


    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.
    ApplicationCheck out the products applied in various fields.
    ico_dot.gif fluxlok_logo.gifFLUXLOK is brand for Lok fitting of HIFLUX Co., Ltd.
    ico_dot.gif Suitable for chemical, oil refining, research, oil and gas companies, this product is used for various pressures.
    ico_dot.gif Has not torque transition for tubing in installation.
    ico_dot.gif Can be checked and inspected easily during the first installation.

    High-temperature and high-pressure products Chemical oil refining Water jet Oil gas industry Application to various research fields