Since 1988 Chuen Charng has manufactured pressure gauge, thermometer, metal ball. Being a leading and expert manufacturer in Taiwan and China under Japan high tech know-how and Taiwan strict management organization. In light of these impeccable merits, we have come into reliable reputation and prominence in the industry. For years, our market share has been successful in USA, Asia & Europe. We always know our stable quality is the key way to win more continuous patronage. Providing high quality product, attractive price and prompt delivery are our goal. Expect to bring impressed satisfactory and establish long-term relation with you to create more mutual benefits.

4.5" contractor gauge for hvac systems - CHUEN CHARNG CO LTD

CHUEN CHARNG CO LTD has a wide variety of Contractor gauge for many different applications. With many years of experience, we have the core technical knowledge for Contractor gauge to satisfy our customers' demands. Our Contractor gauge is known for their long work life, easy handling, and low maintenance. This has been possible with the use of the best raw materials that go into the manufacturing of our expansive product line. Thank you for visiting our website and we hope you enjoy our products as much as we do.
Contractor pressure gauge


Contractor gauge

The contractor gauge is designed for a wide variety of industrial application but especially is for heating and air conditioning systems.

Connection types:

P-A type (bottom mount)


HVAC, water, air, gas, oil and working fluid not corrosive to wetted parts
Specification :

  • Size:  4.5”
  • Measuring Range: compound, vacuum 76cmHg (30"Hg) up to 500 psi (35 bar)
  • Dial: white aluminum with markings and graduations, re-calibrator screw from face of dial
  • Window: plastic
  • Pointer: black finished aluminum
  • Ring: sus304 stainless steel
  • Case: sus304 stainless steel
  • Movement: brass
  • Socket: brass
  • Bourdon Tube: phosphor bronze C-tube
  • Connection: 1/4"PT, NPT, BSP thread
  • Mounting: bottom
  • Accuracy: +/-1% of full scale
  • Operating Temperature Limit: -20 ~ 60°C (-4 ~ 140°F)

Country of Origin :

Taiwan or China

Main Export Markets :

North America, Europe, Southeast Asia

Payment Details :

Minimum Order : T/T, Paypal

Lead Time :

Days : 30  FOB Port

Related Products : Keelung or Shanghai

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CHUEN CHARNG CO LTD has been the world leader in manufacturing Contractor gauge, to achieve the customer's needs, we had to obtain a maximum level of performance, business, and manufacturing excellence. Renowned for their higher efficiency, accuracy and durability, our Contractor gauge is setting standards of performance and high quality in the entire market. CHUEN CHARNG CO LTD is committed to developing Contractor gauge that ultimately create innovative products that exceed customer expectations. Thank you for your time and business, if you have any questions or needs, please do not hesitate to contact us.