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  • Lok Fitting&Valve
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    Hiflux will go one step further than today

    Lok Fitting&Valve

    It 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 Lok Type Valve - Check Valve (CV1)

    Product Name Lok Type Check Valve (CV1)
    Max Pressure 3,000psi (206bar)
    Temperatures up to -23~190 °C (-10~375 °F)
    Features One-way open and non-return valve
    Features Stainless Steel 316 Material Body
    Features 1/8"~1" Size double ferrule design type.
    Features Fitting components provide exceptional dimensional, metallurgical, and mechanical uniformity that allow predictable, repeatable installation

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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

    • Lok Type Valve Needle valve(NVS1)
      • Lok Type Check Valve (CV1)
      • Max Pressure : 3,000psi (206bar).
      • Temperatures up to -23~190 °C (-10~375 °F)
      • Stainless Steel 316 Material Body.
      • Compact design.
      • One-way open and non-return valve.
      • 1/8"~1" Size double ferrule design type.
      • Fitting components provide exceptional dimensional, metallurgical, and mechanical uniformity that allow predictable, repeatable installation.
      • Technical Information : [Tubing O.D Hardness]
    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 Max Pressure : 3,000psi (206bar).
    ico_dot.gif Temperatures up to -23~190 °C (-10~375 °F)
    ico_dot.gif Stainless Steel 316 Material Body.
    ico_dot.gif Compact design.
    ico_dot.gif One-way open and non-return valve.
    ico_dot.gif 1/8"~1" Size double ferrule design type.
    ico_dot.gif Fitting components provide exceptional dimensional, metallurgical, and mechanical uniformity that allow predictable, repeatable installation.
    ico_dot.gif Technical Information : [ Tubing O.D Hardness]
    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 fitting


      Component Body Material
    Material Grade / ASTM Specification
    316SS Copper
    1 Inlet Body 316SS/A479 360/B16
    2 O-Ring FKM NBR
    3 Inlet Washer 316SS/A240 316SS/A240/LF2/B209
    4 Lifting Head 316SS/A479 Brass 360/B16
    5 Spring 302SS/A313
    6 Outlet Body 316SS/A479 360/B16
    InformationWe provide information on pressure ratings and flow rate data for each temperature.
    Pressure-Temperature Ratings

    ico_dot.gif Cracking pressure : the inlet pressure at which the first indication of flow occurs (steady stream of bubbles).
    ico_dot.gif Reseal pressure : the pressure at which there is no indication of flow.
    ico_dot.gif For valves not actuated for a period of time, initial cracking pressure may be higher than theset cracking pressure.
    ico_dot.gif For cracking pressure of 25 psi (1.8 bar), maximum back pressure is 3000 psig (206 bar).

    Cracking Pressure
    psi (bar)
    Cracking and Reseal Pressures
    at 70°F (20°C) psig (bar)
    Cracking Pressure Range
    pai (bar)
    Re-Closed Pressure
    psi (bar)
    10 (0.69) 200 (13.7) 7 ~ 15 (0.49 ~ 1.1) 3 (0.21) or more shear side pressure

    Temperature, °C (°F) Materia
    316SS Copper
    Working Pressure, psig (bar)
    –23 (–10) ~ 37 (100) 3000 (206) 3000 (206)
    93 (200) 2575 (177) 2600 (179)
    121 (250) 2450 (168) 2405 (165)
    148 (300) 2325 (160) -
    190 (375) 2185 (150) -


    Testing / Flow Data at 70°F (20°C)

    lok_graph_vv7.gif


    ico_dot.gif Every check valve is factory tested for crack and reseal performance with a liquid leak detector.
    ico_dot.gif Every valve is tested to ensure it seals within 5 seconds at the appropriate reseal pressure.
    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



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