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  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
  • HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas
HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas

HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas

$2.70-$4.50/ Unit|100 Unit/Units(Min. Order)
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HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas

Product overview

Core functionalities

Applicable scenarios

Unique advantages

  • Internal Check Valve: Designed to regulate the flow of fluids by allowing passage in one direction while preventing backflow, ensuring system integrity.
  • Grease Fitting Single Ball Check Valve: Specifically crafted for precise control in lubrication systems, enhancing equipment maintenance.

Key features

  • 1. Advanced Material Technology

    • With corrosion-resistant stainless steel, you can ensure durability and reliability in high-pressure environments.

  • 2. Precision Interactive Design

    • With its threaded and conical design, you can easily secure and remove the fitting for hassle-free maintenance and installation.

  • 3. Superior Performance Parameters

    • With its capability to handle high-pressure fluids like hydraulic oil and compressed air, it operates efficiently in demanding industrial applications.

  • 4. Versatile Scenario Solutions

    • With its adaptability for use with gas, water, and oil, you can integrate it seamlessly into various machinery and manufacturing systems.

  • 5. Compliance with Certification Standards

    • With its robust construction, it meets industry standards for safety and performance, though verification with the manufacturer is advised.

Product details

HI-TEK Heavy-Duty Internal Check Wellhead Grease Fitting, 1/4" to 1/2" NPT, 10,000 PSI, NACE Compliant for Oil & Gas

The Internal Check Valve and Fitting, featuring a single ball check valve design, is ideal for high-pressure applications. Constructed from robust stainless steel, it ensures durability and reliability in fluid transfer systems, accommodating media such as gas, water, and oil.

Technical specifications

FeatureSpecificationBenefit
MaterialStainless SteelCorrosion resistance and durability
Media CompatibilityGas, Water, OilVersatile use across various fluid types
PressureHigh PressureSuitable for demanding industrial applications
TypeCheck ValvePrevents backflow, ensuring efficient system flow

Customization guide

Adjustable parameters such as thread size and material thickness are available to meet specific industrial needs for high-pressure applications.

Get inspired

With the Internal Check Valve's stainless steel construction, you can ensure robust performance even in harsh environments, making it an essential component in industrial fluid systems.

Choose your model

ParameterBase ModelAdvanced ModelPro Model
Corrosion ResistanceStandard[+15%][+30%]*
Pressure HandlingUp to 400 PSIUp to 460 PSIUp to 520 PSI
Flow RateStandardEnhancedPremium

Supplier's note

The Pro version's corrosion resistance rating—triple the industry standard—enables safe handling of aggressive fluids. When paired with its high-pressure capability, this creates a reliable solution for complex industrial systems. Choose the Advanced Model for enhanced performance, ideal for users requiring a balance between cost and capability. The Pro Model is optimal for high-demand environments, offering superior durability and efficiency.

Frequently asked questions

  • Which model of internal check valve suits small industrial applications?

  • How to maintain and care for stainless steel internal check valves?

  • Stainless steel vs brass: Which material is better for hydraulic fittings?

  • Can I get custom-sized internal check fittings for specific hydraulic systems?

  • Is the stainless steel material used in the check valve FDA-approved?

  • What are the unique features of the grease fitting single ball check valve?

  • How does the conical-top design benefit the installation of hydraulic fittings?

  • What applications are best suited for high-pressure stainless steel check valves?

Product comparison

CategoryUsage ScenariosCharacteristicsAdvantagesDisadvantages
ValvesIndustrial fluid systemsStainless steel (corrosion-resistant)High durability and reliabilityMay require specialized installation tools
Handles high-pressure fluids (up to 5000 psi)Suitable for hydraulic and pneumatic applicationsHigher cost compared to non-metal alternatives
Threaded connections (secure attachment)Leak preventionHeavier than plastic fittings
Conical top (easy insertion/removal)Quick maintenanceLimited flexibility in tight spaces
Check ValvesMachinery and vehicle systemsSingle ball check mechanismPrevents backflow effectivelyCan be complex to repair if malfunction occurs
Internal check valveMaintains system pressureMay not be suitable for all media types

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