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
Siemens
Siemens
  • HMI
    HMI
  • Light Curtain
    Light Curtain
  • VFD
    VFD
  • Soft Starter
    Soft Starter
  • Transmitter
    Transmitter
  • Transformer
    Transformer
  • Sensor
    Sensor
  • Gearbox
    Gearbox
  • Circuit Breaker
    Circuit Breaker
  • Power Supply
    Power Supply
  • PLC
    PLC
  • Contactor
    Contactor
  • Flame Detector
    Flame Detector
  • Expansion Valve
    Expansion Valve
  • Combustion Controller
    Combustion Controller
  • Fuse
    Fuse
  • Temperature Controller
    Temperature Controller
  • Module
    Module
  • Resistor
    Resistor
  • Battery
    Battery
  • Switch
    Switch
  • Memory Cards & Readers
    Memory Cards & Readers
  • Fan
    Fan
SAACKE
SAACKE
  • Flame Detector
    Flame Detector
Durag
Durag
  • Flame Detector
    Flame Detector
Eclipse
Eclipse
  • Flame Detector
    Flame Detector
  • Combustion Controller
    Combustion Controller
Fireye
Fireye
  • Flame Detector
    Flame Detector
  • Combustion Controller
    Combustion Controller
HAMAMATSU
HAMAMATSU
  • Flame Detector
    Flame Detector
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
      • Siemens Flame Detector QRA73.A27
      1/1
      Siemens Flame Detector QRA73.A27
      $ 2,692 .31

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

      Quantity
      MOQ : 1
      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 detector’s UV cell is located behind a swiveling shutter at the front end of the detector tube which is flanged to the housing. A quartz-glass window protects the tube and the shutter against dirt. The detector’s housing accommodates a stepper motor to drive the shutter and the electronics to control the shutter. QRA5 series E and G differ with regard to the closing interval of the orifice. Using the AGG16.C adapter, this flame detectors can be mounted either directly on the burner, on a viewing tube or on a combustion chamber viewing hole

      Ask questions

      (0/1,200)

      Max 1200 characters

      • Q: How can I compare prices and reviews of similar products?

        A: On the product list page, you can view the prices and ratings of different items simultaneously. You can also use filters to sort products by price or rating, facilitating your comparison and selection.

      • Q: How to apply for a refund and get the refund amount?

        A: Applying for a refund is easy. Simply contact our customer service team and provide the necessary details, and they will guide you through the refund process. Once the return is processed, you will receive the refund amount through the original payment method.

      • 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

      • M

        MICHAEL DURAND

        Aug 03, 2025

        Siemens Flame Detector QRA73.A27
        Got to the heart of the issue
        Helpful
        Unhelpful
      • D

        David Street

        May 29, 2025

        Siemens Flame Detector QRA73.A27
        Awesome value for a great product!
        Helpful
        Unhelpful
      • K

        Kelley Poteete

        Apr 27, 2025

        Siemens Flame Detector QRA73.A27
        Swift
        Helpful
        Unhelpful
      • D

        David Fink

        Feb 28, 2025

        Siemens Flame Detector QRA73.A27
        I’ll be ready to review it after it’s in my hands.
        Helpful
        Unhelpful
      • A

        Andrew McLeish

        Dec 01, 2024

        Siemens Flame Detector QRA73.A27
        Appreciate the $5 off, it means a lot!
        Helpful
        Unhelpful
      • J

        Jeffrey Johnson

        Sep 14, 2024

        Siemens Flame Detector QRA73.A27
        very helpful and carry wide selection of parts
        Helpful
        Unhelpful
      • A

        Anonymous user

        Nov 25, 2022

        Siemens Flame Detector QRA73.A27
        All was ok! No problems whatsoever.
        Helpful
        Unhelpful

      Siemens Flame Detector QRA73.A27

      $ 2,692 .31
      Click here to view shipping costs.

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

      Quantity
      MOQ : 1
      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, SIEMENS Relay 3RU6126-1EB0 2.8-4A

      SIEMENS Relay 3RU6126-1EB0 2.8-4A

      US$28.85
      New In stock for sale, WIDE PLUS Transmitter CH361D-HJ1A-NDB2C

      WIDE PLUS Transmitter CH361D-HJ1A-NDB2C

      Contact Us
      New In stock for sale, BIG DAISHOWA Tool for Metal Cutting TPGD080204FNH1ZX

      BIG DAISHOWA Tool for Metal Cutting TPGD080204FNH1ZX

      US$21.15
      New In stock for sale, HIWIN Electric Motor TMS38H

      HIWIN Electric Motor TMS38H

      US$1384.62
      New In stock for sale, Panasonic Servo Motor MDMF302L1H8M

      Panasonic Servo Motor MDMF302L1H8M

      US$2238.08
      New In stock for sale, Iwaki Magnet Pump MD-30RX-220N

      Iwaki Magnet Pump MD-30RX-220N

      US$615.38
      New In stock for sale, HIWIN Linear Guideway MGW12CZ0

      HIWIN Linear Guideway MGW12CZ0

      Contact Us
      New In stock for sale, SMC Solenoid Valve VFN3120N-6D-02-A

      SMC Solenoid Valve VFN3120N-6D-02-A

      US$192.31

      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, Carel Expansion Valve E2V05USF20

      Carel Expansion Valve E2V05USF20

      Contact Us
      New In stock for sale, Allen Bradley Servo Motor MPL-B680F-MJ72AA

      Allen Bradley Servo Motor MPL-B680F-MJ72AA

      Contact Us
      New In stock for sale, Schneider processors PLC 140CPU43412AC

      Schneider processors PLC 140CPU43412AC

      US$5815.77
      New In stock for sale, SMC Solenoid Valve VP542K-3DD1-03B

      SMC Solenoid Valve VP542K-3DD1-03B

      US$213.46
      New In stock for sale, C&U Bearing 760205-2TN1DBB\P4

      C&U Bearing 760205-2TN1DBB\P4

      US$132.17
      New In stock for sale, YOKOGAWA Servo Drive SR5070B62

      YOKOGAWA Servo Drive SR5070B62

      Contact Us
      New In stock for sale, Copeland Compressor ZPDT31MCE-PFZ-426

      Copeland Compressor ZPDT31MCE-PFZ-426

      Contact Us
      New In stock for sale, MOUJEN Switch MN-5110

      MOUJEN Switch MN-5110

      US$11.54
      New In stock for sale, P+F PEPPERL+FUCHS Encoder AVM58N-011K1A0GN-1213

      P+F PEPPERL+FUCHS Encoder AVM58N-011K1A0GN-1213

      Contact Us
      New In stock for sale, ROYAL Fan UTM790C-TP

      ROYAL Fan UTM790C-TP

      US$64.62

      Recent related posts

      21 FAQs on Refrigeration Compressors (Part 2)

      08/12/2024

      21 FAQs on Refrigeration Compressors (Part 2)

      When the refrigeration compressor starts, a little refrigeration oil will enter the air conditioning system with the refrigerant circulation.

      Central air conditioning water system installation process and use

      08/05/2020

      Central air conditioning water system installation process and use

      Central air conditioning water system installation process and use, okmarts.com. The central air-conditioning water system is a relatively complex system.

      Detailed explanation of multi-line air conditioning installation 3 times 5 key 8 steps specification

      08/08/2020

      Detailed explanation of multi-line air conditioning installation 3 times 5 key 8 steps specification

      Detailed explanation of multi-line air conditioning installation 3 times 5 key 8 steps specification It’s not an exaggeration to say that the central air conditioner is installed with 3 points and 7 points for quality.

      What is the function of the air compressor composed of those parts of the mine compressor

      09/05/2020

      What is the function of the air compressor composed of those parts of the mine compressor

      What are the parts of the mine compressor? Mine compressor equipment is divided into fixed compressor equipment and mobile compressor equipment. The fixed air compressor is composed of an air compressor, a driving device, an air filter, an air bag, a pipe and a cooling system, etc.

      Difference in 2 Pin, 3 Pin and 4 Pin Computer Fans: Which is better?

      05/08/2025

      Difference in 2 Pin, 3 Pin and 4 Pin Computer Fans: Which is better?

      If a computer does not have a radiator, its internal temperature will be infinitely high, and eventually the hardware will be burned directly. Whether it is for the CPU, graphics card, chassis, or power supply, heat dissipation is required.

      Responding to the failure of the air conditioning compressor in the computer room, one solution!

      07/31/2020

      Responding to the failure of the air conditioning compressor in the computer room, one solution!

      The special air conditioner for the computer room is designed based on the characteristics and requirements of the computer room and each communication room. It has the characteristics of constant temperature and humidity, high control accuracy, high air cleanliness and high reliability

      Must know! Safe operation of refrigeration valves

      07/31/2020

      Must know! Safe operation of refrigeration valves

      The switching operation of various valves is the main task in the operation of the refrigeration system. The function of the valve is to control and guide the flow and direction of the refrigerant in the system, cut off and conduct the connection between the equipment and the equipment or the equipment and the outside world.

      What is the principle of air conditioning and refrigeration

      07/15/2020

      What is the principle of air conditioning and refrigeration

      When the temperature is relatively high in the hot summer days, I believe many of them are also inseparable from the air conditioner. In the summer, it can be said that this life is given by the air conditioner. Everyone knows that the air conditioner can cool and heat, and can adjust the temperature according to your own settings to give yourself a comfortable feeling. However, few people know what is the principle of air conditioning and refrigeration? here we come to find out.

      What happens if the air compressor uses three filters and one oil for an extended period of time

      09/07/2020

      What happens if the air compressor uses three filters and one oil for an extended period of time

      The "three filters and one oil" of the air compressor have a specified service life, which is generally replaced after 2000 hours of use. If you continue to use it beyond the service period, it will bring a lot of harm to the normal operation of the air compressor,

      FANUC Spindle Amplifier Alarm Codes and Solutions (2)

      01/07/2025

      FANUC Spindle Amplifier Alarm Codes and Solutions (2)

      The following is a continuation of the previous article, and introduces FANUC spindle drive alarm codes 24-46.

      • 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 :

      Durag Flame Detector Siemens Flame Detector Fireye Flame Detector Honeywell Flame Detector HAMAMATSU Flame Detector SAACKE Flame Detector Eclipse Flame Detector 25CJT0752 MHMF022L1V2M VE4025B1045 8E5K-22-X VA08H-760 ad1212hx pf3 ae4460z cae4448y Copeland DLFE-301-EWK Delta QFR0824GHE Ebmpapst W3G450-ZI07-H1 EVERFLOW T127010BU fuji sc 03 Huayi B60CBL jt335d y1l lrs 350 48 mtz22jc3bve NN37VAAMT ph310x2cs RH145VHLC rsp 3000 12 Sanyo Denki 9WG5748P5HD004 sc e05 contactor Shihlin PLC TAJ5519E

      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