Global one-stop procurement platform for industrial spare parts.
support01@okmarts.com service@okmarts.com hydraulic@okmarts.com
Okmarts.com Online Store, Refrigeration Compressor Price, O&Kmarts Logo
Max 200 characters
Display the website inEN
EN
translate to EN
EN
translate to ES
ES
translate to العربية
العربية
All
EMERSON
EMERSON
  • Power Supply
    Power Supply
  • Solenoid Coil
    Solenoid Coil
  • Solenoid Valve
    Solenoid Valve
  • PLC
    PLC
  • Check Valve
    Check Valve
  • Sight Glass
    Sight Glass
  • Relay
    Relay
  • Module
    Module
HAWE
HAWE
  • Proportional Valve
    Proportional Valve
  • Solenoid Valve
    Solenoid Valve
  • Safety Valve
    Safety Valve
  • Check Valve
    Check Valve
  • Overflow Valve
    Overflow Valve
  • Diaphragm Pump
    Diaphragm Pump
  • Vane Pump
    Vane Pump
  • Piston Pump
    Piston Pump
  • Relay
    Relay
  • Accumulator
    Accumulator
HYDAC
HYDAC
  • Transmitter
    Transmitter
  • Safety Valve
    Safety Valve
  • Check Valve
    Check Valve
  • Level Meter
    Level Meter
  • Overflow Valve
    Overflow Valve
  • Gear Pump
    Gear Pump
  • Filter
    Filter
  • Pressure Gauge
    Pressure Gauge
  • Ball Valve
    Ball Valve
  • Accumulator
    Accumulator
  • Switch
    Switch
HIP
HIP
  • Safety Valve
    Safety Valve
  • Check Valve
    Check Valve
SUN
SUN
  • Magnet Pump
    Magnet Pump
  • Check Valve
    Check Valve
  • Overflow Valve
    Overflow Valve
Rexroth
Rexroth
  • Servo Motor
    Servo Motor
  • Servo Drive
    Servo Drive
  • Air Cylinder
    Air Cylinder
  • Air Cylinder
    Air Cylinder
  • Solenoid Coil
    Solenoid Coil
  • Gearbox
    Gearbox
  • Solenoid Valve
    Solenoid Valve
  • Encoder
    Encoder
  • Linear Guideway
    Linear Guideway
  • Proportional Valve
    Proportional Valve
  • Check Valve
    Check Valve
  • Piston Pump
    Piston Pump
  • Vane Pump
    Vane Pump
  • Gear Pump
    Gear Pump
  • Filter
    Filter
  • Hydraulic Motor
    Hydraulic Motor
  • Relay
    Relay
  • Accumulator
    Accumulator
  • Oil Seal
    Oil Seal
  • Relief Valve
    Relief Valve
  • Power Supply
    Power Supply
  • Module
    Module
All Brands
All Brands
    • a
    • b
    • c
    • d
    • e
    • f
    • g
    • h
    • i
    • j
    • k
    • l
    • m
    • n
    • o
    • p
    • q
    • r
    • s
    • t
    • u
    • v
    • w
    • x
    • y
    • z
    • 3
    • 7
      Top Picks
      • FESTO Check Valve GR-QB-1/2-U
      1/1
      FESTO Check Valve GR-QB-1/2-U
      $ 34 .24

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 10
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      • Specifications
      • Q&A
      • Reviews
      The FESTO Check Valve is high quality! Feature
      One-way flow control valve, in-line installation
      QB ,Push-in connector for tubing O.D
      1/2 ,Tubing O.D
      U series

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: How can I provide suggestions for improving your services?

        A: We value your feedback and suggestions for improving our services. You can provide suggestions by contacting our customer service team or using the feedback form on our website. We appreciate your input and strive to enhance our offerings based on customer suggestions.

      • Q: Can I track my order without creating an account?

        A: Yes, you can track your order without creating an account. Simply click on the "Track Order" link on the website and enter the necessary details, such as your order number and email address.

      • Q: Are there alternative options available for this product?

        A: Absolutely! We offer a variety of alternative options for this product. Whether it's different colors, sizes, or styles, you can explore the range of alternatives available to find the perfect fit for your needs.

      View More
      Question has been sent successfully

      Reviews

      • C

        Charles Love

        Jun 23, 2025

        FESTO Check Valve GR-QB-1/2-U
        You’re a champion!
        Helpful
        Unhelpful
      • N

        Nick Hoagland

        Nov 08, 2024

        FESTO Check Valve GR-QB-1/2-U
        It’s a walk in the park!
        Helpful
        Unhelpful
      • Z

        Zhiqun Li

        Oct 29, 2024

        FESTO Check Valve GR-QB-1/2-U
        Sweet merchandise!
        Helpful
        Unhelpful
      • J

        Jose Sergio Rocha

        Aug 02, 2024

        FESTO Check Valve GR-QB-1/2-U
        Wide variety of products, great prices and fast shipping on most items.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        FESTO Check Valve GR-QB-1/2-U
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      FESTO Check Valve GR-QB-1/2-U

      $ 34 .24
      Click here to view shipping costs.

      ✔ In Stock (Can ship in 5-7 days)

      Quantity
      MOQ : 10
      Payment Methods
      T/T pay VISA pay mastercard pay Diners Club pay Discover pay JCB pay American Express pay Stripe pay PayPal pay Google pay Apple pay Link pay venmo pay
      • Online Support 24/7

      • 12 Months Warranty for New Products

      • 30 Days Money Back Guarantee

      People who bought this item also viewed

      New In stock for sale, Panasonic Servo Motor MHMF022L1V2M

      Panasonic Servo Motor MHMF022L1V2M

      US$653.85
      New In stock for sale, Honeywell Solenoid Valve VE4025B1045

      Honeywell Solenoid Valve VE4025B1045

      US$334.62
      New In stock for sale, ROTEN Mechanical Seal 8E5K-22-X

      ROTEN Mechanical Seal 8E5K-22-X

      US$384.62
      New In stock for sale, Schneider Circuit Breaker OSMC65H2D2

      Schneider Circuit Breaker OSMC65H2D2

      Contact Us
      New In stock for sale, TCS Oil Seal TC 14*41*4

      TCS Oil Seal TC 14*41*4

      US$0.38
      New In stock for sale, Kuebler Encoder 8.5020.4020.2048.S079

      Kuebler Encoder 8.5020.4020.2048.S079

      US$1035.16
      New In stock for sale, YTP Linear Guideway SC20UU

      YTP Linear Guideway SC20UU

      US$7.85
      New In stock for sale, Yaskawa Servo Motor SGM-02A314P

      Yaskawa Servo Motor SGM-02A314P

      US$384.62
      New In stock for sale, FYH Bearing UCC308

      FYH Bearing UCC308

      US$43.85
      New In stock for sale, Omron Switch SS-01GL13-F-3

      Omron Switch SS-01GL13-F-3

      Contact Us
      New In stock for sale, Yuci Vane Pump PFED-5141129/085-2-S-TB/PF

      Yuci Vane Pump PFED-5141129/085-2-S-TB/PF

      Contact Us

      Customers frequently viewed

      New In stock for sale, IWAYA DENKI Water Pump 25CJT0752

      IWAYA DENKI Water Pump 25CJT0752

      US$2307.69
      New In stock for sale, Panasonic Servo Motor MHMF022L1V2M

      Panasonic Servo Motor MHMF022L1V2M

      US$653.85
      New In stock for sale, Honeywell Solenoid Valve VE4025B1045

      Honeywell Solenoid Valve VE4025B1045

      US$334.62
      New In stock for sale, ROTEN Mechanical Seal 8E5K-22-X

      ROTEN Mechanical Seal 8E5K-22-X

      US$384.62
      New In stock for sale, SANDSUN Overload Pump VA08H-760

      SANDSUN Overload Pump VA08H-760

      US$1568.40
      New In stock for sale, GS Battery 6-QW-60(450)-(55D23L-KR)

      GS Battery 6-QW-60(450)-(55D23L-KR)

      US$646.15
      New In stock for sale, Rechi Compressor 44R273A

      Rechi Compressor 44R273A

      US$341.00
      New In stock for sale, Bosch Rexroth Linear Guideway Runner Block R165381920

      Bosch Rexroth Linear Guideway Runner Block R165381920

      US$107.69
      New In stock for sale, MINDMAN Air Cylinder MCQV2-11-40-200

      MINDMAN Air Cylinder MCQV2-11-40-200

      US$88.46
      New In stock for sale, Mitsubishi Compressor YB645WTG

      Mitsubishi Compressor YB645WTG

      US$549.00
      New In stock for sale, FYH Bearing UCFCX18

      FYH Bearing UCFCX18

      US$296.15
      New In stock for sale, IKURA Fan R9352

      IKURA Fan R9352

      Contact Us
      New In stock for sale, MAHLE Filter LX4484

      MAHLE Filter LX4484

      US$11.54
      New In stock for sale, MICRON IC Integrated Circuit Chip MT29C4G48MAAGBAAKS-5 WT

      MICRON IC Integrated Circuit Chip MT29C4G48MAAGBAAKS-5 WT

      US$91.71
      New In stock for sale, REXPOWER Gear Pump VOP-212-F-RV-A1

      REXPOWER Gear Pump VOP-212-F-RV-A1

      US$223.08
      New In stock for sale, Mitsubishi Servo Motor HARE82RCK

      Mitsubishi Servo Motor HARE82RCK

      Contact Us
      New In stock for sale, P+F Pepperl Fuchs Sensor CCN15-30GS60-A2-V1

      P+F Pepperl Fuchs Sensor CCN15-30GS60-A2-V1

      US$325.29
      New In stock for sale, Copeland Compressor ZH45KCE-TFZ-871

      Copeland Compressor ZH45KCE-TFZ-871

      Contact Us
      New In stock for sale, PIZZATO Switch FD 33R2-F8

      PIZZATO Switch FD 33R2-F8

      US$210.00
      New In stock for sale, Ebmpapst Fan R3G310-RB01-03

      Ebmpapst Fan R3G310-RB01-03

      US$589.50

      Recent related posts

      Emergency shutdown treatment for sudden cooling water cut

      08/20/2020

      Emergency shutdown treatment for sudden cooling water cut

      During the operation of refrigeration equipment, accidents of sudden cooling water interruption sometimes occur. The cause of this accident is generally the failure of the cooling water pump.

      Integrally Geared Compressors

      01/04/2021

      Integrally Geared Compressors

      Integrally Geared Compressors From Aaron M. Rimpel, ... Kolja Metz, in Compression Machinery for Oil and Gas, 2019 Petrochemical The oil and gas industry requires strict compliance with API 617 [4], and there is limited application for IGCs directly in器2䀀ᅵ皥䖒皦즠Ʋ㊔ᰙ㲈Ʋ䌁皦ᮔDž༬皧㊞ᰙЀ呄ᠾ鹨់༹皧ࠄ00령ꐱ댁珵뛐珵Љ䕄ྦ￿￿뤂ᐱ뚜珵ᴴᏩ呄ᠾ퍘ᒥ鹨់ᩄꋔྦ瑉浥巠皱㙲皦抐皱巠皱੨皦柘皱ᅵ皥ب巠皱㙲皦忈皱੨皦柘皱즠Ʋǜ勁皦즠ƲبǜV /펔B䌁皦 ᮔDž'鱤džၜ먢䇨珵呈ᠾ뤂ᐱ⿇⬿먲僧ᐱ㥲ᐲ�僬㣢ᐲᠾ랖僧Ԥ識�僬㣢ᐲ臆S㥲ᐲᬄğ識理艏S杴 識杴 㥲ᐲ

      How to solve the air-conditioning leakage

      06/20/2020

      How to solve the air-conditioning leakage

      There is a great safety risk in air-conditioning leakage. Assuming air-conditioning leakage, close the power supply in time, and then carefully look for the elements, and tell professional repair personnel when necessary.<img src="{{media url=&quot;How_to_solve_the_air-conditioning_leakage.jpg&quot;}}" alt="" />

      Piston Pump: Working Principle, Types, and Features

      09/24/2022

      Piston Pump: Working Principle, Types, and Features

      Piston pump is a kind of positive displacement pump. It relies on the reciprocating motion of the piston in the pump cylinder to make the working volume of the cylinder expand

      The role of pressure relay in refrigeration system

      08/21/2020

      The role of pressure relay in refrigeration system

      In industrial refrigeration, a pressure relay is an electric switch controlled by a pressure signal. It is often used as a protection and regulating element that directly controls the start and stop of the refrigeration compressor or controls the opening and closing of certain solenoid valves

      Master dismantling refrigeration compressor HD Atlas

      07/25/2020

      Master dismantling refrigeration compressor HD Atlas

      The disassembled is the original compressor. Ready to open the cover of the mill and take a look at the compressor

      How Do I Test the Power Supply in My Computer?

      05/31/2022

      How Do I Test the Power Supply in My Computer?

      Testing a power supply is an important step when troubleshooting many issues, most obviously when your computer is having trouble starting.

      What is a Magnetic Contactor?

      09/01/2022

      What is a Magnetic Contactor?

      In many cases, the magnetic contactor is simply referred to as a contactor. It is an electrical appliance that uses the current flowing through the coil to generate a magnetic field to close the contacts to control the load in industrial electricity.

      Direct-Acting vs. Pilot-Operated Solenoid Valve: Understanding the Difference

      07/01/2024

      Direct-Acting vs. Pilot-Operated Solenoid Valve: Understanding the Difference

      Solenoid valves play a crucial role in controlling the flow of fluids or gases in various industrial and commercial applications. Among the different types available, two prominent ones are direct-acting solenoid valves and pilot-operated solenoid valves.

      Quick Fixes for AC Freezing up: Troubleshooting and Solutions

      10/20/2023

      Quick Fixes for AC Freezing up: Troubleshooting and Solutions

      When our air conditioning systems work efficiently, they keep our homes cool and comfortable during the hot summer months.

      • Welcome to O&Kmarts

        Is there anything we can help?

        Email us
      • Feedback

      Join in

      Join in to enjoy exclusive discounts and give you greater discounts

      See More About O&Kmarts Member
      Sign up now

      Common Problem

      Payment Methods
      Shipping Guide
      Sales and Refund Policy
      FAQs

      About O&Kmarts

      About Us
      Membership

      Website Terms

      Privacy Policy
      Terms Of Use
      Bidding Agreement
      Review Rules

      Customer Service

      support01@okmarts.com
      service@okmarts.com
      hydraulic@okmarts.com
      +86-28-84166335
      GMT+08:00 Mon-Fri, 9:00 AM-7:00 PM
      Customer Feedback

      POPULAR PRODUCTS :

      HIP Check Valve SUN Check Valve Danfoss Check Valve HAWE Check Valve Rexroth Check Valve EMERSON Check Valve HYDAC Check Valve 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ADDA AD1224UX-F57 CKD AP21-32A-02E-AC100V Copeland CRN5-0500-TF5-270 e40s6 200 3 t 24 fuji sc n8 GMCC PH340G2C-4KTS1 H73A463DBEA Hitachi SH286UY-C7HUA Huaguang Compressor IMI Norgren 8020747.4210.024.00 LG QVS370PAA Mitsubishi BN52YHAMT Panasonic DD57C12GAX6 (RSIR) QUR0812SH RN125VHFMC SEW GR-112A TAG4561Z THV247FBE Toshiba PE50H1F-4 V12E12BS1B5 07

      Disclaimer: All brand names, model or type numbers or marks listed on the website are owned by their respective manufacturers. These terms are used for identification purposes only and are not intended to indicate affiliation with OEM companies. Product pictures shown on the website are for illustrative purposes only and the actual item may vary in design, specification, etc. Confirm at the time of purchase if you are unsure.

      © eCommerce. 2017-2025. All Rights Reserved
      © eCommerce. 2017-2025. All Rights Reserved
      Press and drag the mouse to start taking a screenshot