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
Danfoss
Danfoss
  • Refrigeration Compressors
    Refrigeration Compressors
  • Servo Valve
    Servo Valve
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Solenoid Valve
    Solenoid Valve
  • Transmitter
    Transmitter
  • Transformer
    Transformer
  • Expansion Valve
    Expansion Valve
  • Solenoid Coil
    Solenoid Coil
  • Sensor
    Sensor
  • Safety Valve
    Safety Valve
  • Check Valve
    Check Valve
  • Electric Motor
    Electric Motor
  • Overflow Valve
    Overflow Valve
  • Butterfly Valve
    Butterfly Valve
  • Combustion Controller
    Combustion Controller
  • Piston Pump
    Piston Pump
  • Gear Pump
    Gear Pump
  • Ball Valve
    Ball Valve
  • Hydraulic Motor
    Hydraulic Motor
  • Sight Glass
    Sight Glass
  • Relay
    Relay
  • Expansion Valve Coil
    Expansion Valve Coil
  • Filter
    Filter
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
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
      • Danfoss Sight Glass SG4S
      1/1
      Danfoss Sight Glass SG4S
      $ 30 .86

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

      Quantity
      MOQ : 11
      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 Danfoss Sight Glass is high quality!
      The sight glass is used to indicate:
      1. The refrigerant condition of the refrigeration pipeline in the refrigeration device;
      2. The water content in the refrigerant;
      3. The flow of lubricating oil in the oil return line from the oil separator
      SG type hydraulic mirror indicator For CFC, HCF, HFC Refrigerant liquid without subcooling indication Low refrigerant indication Reservoir level indication Compressor oil level indicator flared, brazed, plug-in

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: Can I save items for later?

        A: Yes, you can save the items you wish to purchase later in the shopping cart. This way, when you are ready to proceed with the order, you can easily find them.

      • Q: Do you support global shipping?

        A: Yes, we support worldwide shipping. No matter where you are located, we will make every effort to deliver the products to your doorstep.

      • Q: How to apply for an extended warranty on a product?

        A: Applying for an extended warranty is simple. During the purchasing process, you can choose to extend the warranty period for eligible products. Just select the desired warranty period, and it will be added to your purchase.

      View More
      Question has been sent successfully

      Reviews

      • C

        Chris Chesnes

        Mar 11, 2026

        Danfoss Sight Glass SG4S
        Found what I wanted and checked out quickly and easily.
        Helpful
        Unhelpful
      • S

        Susan Pope

        Oct 01, 2025

        Danfoss Sight Glass SG4S
        The package arrived right when I expected it to.
        Helpful
        Unhelpful
      • L

        Larry Cyr

        Sep 05, 2025

        Danfoss Sight Glass SG4S
        El pedido llegó rápido y fue preciso
        Helpful
        Unhelpful
      • E

        Eugene Wildman

        Feb 18, 2024

        Danfoss Sight Glass SG4S
        It arrived in no time, and it fits great.
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Danfoss Sight Glass SG4S
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Danfoss Sight Glass SG4S

      $ 30 .86
      Click here to view shipping costs.

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

      Quantity
      MOQ : 11
      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

      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, Copeland Compressor 4MA1-22X-AWC

      Copeland Compressor 4MA1-22X-AWC

      Contact Us
      New In stock for sale, EALY Vane Pump PV2R1-23FRRR-10

      EALY Vane Pump PV2R1-23FRRR-10

      US$1192.31
      New In stock for sale, SUNON Fan PF80381BX-000C-S99

      SUNON Fan PF80381BX-000C-S99

      US$21.54
      New In stock for sale, Copeland Compressor ZPS21K5E-PFV-275

      Copeland Compressor ZPS21K5E-PFV-275

      Contact Us
      New In stock for sale, IVZ Bearing 22384

      IVZ Bearing 22384

      US$14596.15
      New In stock for sale, SOMIGO Tool for Metal Cutting BT50-SLA25-200L

      SOMIGO Tool for Metal Cutting BT50-SLA25-200L

      US$393.08
      New In stock for sale, SUNON Fan MF35101V1-10000-F99

      SUNON Fan MF35101V1-10000-F99

      US$17.31
      New In stock for sale, Omron HMI NT11-SF121-EV1

      Omron HMI NT11-SF121-EV1

      US$835.96
      New In stock for sale, Nichicon Capacitor FW 400V 82UF

      Nichicon Capacitor FW 400V 82UF

      US$0.40
      New In stock for sale, INFINEON IGBT Module FP25R12KS4C

      INFINEON IGBT Module FP25R12KS4C

      US$46.15

      Recent related posts

      How to Check and Replace Refrigerator Compressor Relay

      05/22/2025

      How to Check and Replace Refrigerator Compressor Relay

      If your refrigerator has been in use for some time, there may be some faults with the compressor. To troubleshoot the compressor, check whether there is abnormal noise or overheating phenomenon in the relay.

      The difference between the air outlet of central air conditioning and fresh air system

      08/24/2020

      The difference between the air outlet of central air conditioning and fresh air system

      Nowadays, many families not only choose central air conditioning, but also choose fresh air systems to improve the air quality in their homes. So, what do you know about the difference between central air conditioning and fresh air system outlets?

      What is Engine Repair Kits

      07/15/2022

      What is Engine Repair Kits

      A repair kit or service kit is a set of items used to repair a device, commonly comprising both tools and spare parts.

      Liquid Cooling vs. Air Cooling: Which is Better for PC CPU Cooling?

      08/28/2025

      Liquid Cooling vs. Air Cooling: Which is Better for PC CPU Cooling?

      If you are a computer enthusiast, or a computer user, you must know the importance of computer coolers. A computer cooler is a device used to reduce the internal temperature of a computer.

      [Experience] Constant temperature and humidity box refrigeration system

      06/25/2020

      [Experience] Constant temperature and humidity box refrigeration system

      [Experience] Constant temperature and humidity box refrigeration system Constant temperature and humidity box refrigeration system: 1 Two single-stage refrigeration system cascade refrigeration cycle; 2 Cascade refrigeration cycle of two-stage compression system;

      Heat Pump Compressor Troubleshooting

      09/15/2025

      Heat Pump Compressor Troubleshooting

      There are various types of compressors used in the heat pump unit and the fully enclosed piston compressor is the most commonly used type. However, when it’s in winter, there most probably are faults of this type of compressor due to frequent heating operations.

      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

      Two working methods for air filter manufacturers to reduce air pollution

      09/07/2020

      Two working methods for air filter manufacturers to reduce air pollution

      Two working methods for air filter manufacturers to reduce air pollution   1. Air filter manufacturer: air filter   Air Filter Manufacturers Air filters are equipment developed based on air pollution. It can effectively reduce air pollution, but it must be known that its purification range is relatively small. Therefore, users should pay attention to actual application requirements when using them and purchase appropriate equipment.

      What are the failures of the air conditioning refrigeration system (R410A)

      07/31/2020

      What are the failures of the air conditioning refrigeration system (R410A)

      When it is assumed that the system is blocked by welding, first check whether the system pressure and current are normal. You can use a pressure gauge to measure the suction pressure.

      Case Studies of TECO Servo Drive and Servo Motor

      11/07/2025

      Case Studies of TECO Servo Drive and Servo Motor

      Model is complete. Type-JSDA is used with 8192 PPR encoder. The servo motor JDDE is complete with 50W~15KW models and used with 2500PPR encoder.

      • 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 :

      Danfoss Sight Glass 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ad0612hb a72gl Ebmpapst W2D155-EB08-01 h23a623abca Hitachi SHY73MC4-U Hitachi SL193SV-C7LU HONEYWELL V4ABFW16-150-112 kde1206pfv3 lrs 150 24 maneurop mt40jh4eve Moog Servo Valve D684Z4815G mtz100hs4ve compressor MUMA022P1S NH56YXCT Panasonic 5VS295BAB21 Panasonic DG73C12RAU6 (RSCR) RH145VHLC sc n4 contactor SUNON MF60090V1-C130-S9A SUNON PMD1208PTV3-A TAJ4511Y

      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. 2017-2026. All Rights Reserved
      © eCommerce. 2017-2026. All Rights Reserved
      Press and drag the mouse to start taking a screenshot