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.

316 stainless steel Ammonia refrigeration pressure gauge

CHUEN CHARNG CO LTD's highly trained professional workforce and dedicated engineers are committed to meet customer's satisfaction. Our Ammonia gauge is widely appreciated by the customers due to their longer functional life, reasonable price, and less maintenance. We have well-maintained quality management comprising a team of experienced professionals that keeps an eye on Ammonia gauge to ensure durability. If you want to know more relative information about Ammonia gauge, please contact us immediately.
ammonia, bottom connection pressure gauge


Ammonia gauge

The ammonia refrigerant gauge is designed for ammonia refrigeration system and can also be applied to manage chemicals no damage to wetted parts.

Connection types:

AM-A type (bottom mount)

AM-B type (bottom mount with back flange)

AM-BD type (back mount with front flange)

SS-AM-B type (bottom mount with back flange, stainless steel)


ammonia compressor, ammonia refrigeration equipment
Specification :

  • Size:  2.5”(63mm) , 4”(100mm)
  • Measuring Range: compound ranging with ammonia temperature, vacuum 76cmHg (30"Hg) up to 400 psi (30 bar)
  • Dial: white aluminum with markings and graduations
  • Window: plastic, glass, polycarbonate
  • Pointer: black finished aluminum
  • Ring: black painted steel, 304 stainless steel
  • Case: black painted steel, 304 stainless steel
  • Movement: brass, 304 stainless steel
  • Socket: brass, 316 stainless steel
  • Bourdon Tube: 316L C-tube
  • Connection: 1/4", 3/8"PT, NPT, BSP thread
  • Mounting: bottom, center back with surface, flush mount
  • Accuracy: +/-1.5% 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 believes that providing the best-qualified products, excellent service, and advanced technology can create the most value for customers. As a leading manufacturer of Ammonia gauge, we keep the world running in every area. Ammonia gauge is one of our main products, featuring its high quality and attractive design. If you are looking for P440 SERIES, Ammonia gauge, 316 ammonia pressure gauge, stainless steel ammonia gauge, ammonia refrigeration, you are in the right place. At CHUEN CHARNG CO LTD, you will find every kind of Ammonia gauge that you can think of, with something for all kinds of business.