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.

300 bar 25mm mini manometer

CHUEN CHARNG CO LTD has been a leading provider of professional Stainless steel spiral tube manometer S-20/23/25. Our products have always been known for quality, reliability and solid performance, making CHUEN CHARNG CO LTD becomes the most specified brand in the Stainless steel spiral tube manometer S-20/23/25 business. We manufacture our range of products according to the specifications of the customers with high-quality raw materials that are tested for their efficiency. Please do not hesitate to contact us if you are interested in our Stainless steel spiral tube manometer S-20/23/25.
Helical tube pressure gauge


Stainless steel spiral tube manometer S-20/23/25

The series gauge is designed to monitor pressure that stays inside of fire extinguisher,oxygen and nitrogen cylinder.

Connection types:

S-20/23/25 type (back mount)


air guns, compressor, pump, fire extinguisher, medical oxygen equipment and portable cylinder
Specification :

  • Size:  1”(25mm, 23mm or 20mm)
  • Measuring Range: 1,500psi (100 bar) up to 8,500psi (600 bar)
  • Dial: white aluminum with markings and graduations
  • Window: polycarbonate
  • Pointer: represented by the spiral tube end
  • Case: SUS304 stainless steel, blow out hole at the back
  • Socket: SUS304 stainless steel
  • Spiral tube: SUS304 stainless steel
  • Connection: 1/8", 1/4"PT, NPT, BSP thread
  • Mounting: center back
  • Accuracy: +/-4% of full scale
  • Operating Temperature Limit: -20 ~ 200°C (-4 ~ 400°F)

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Welcome to our website! CHUEN CHARNG CO LTD carries only the best brands and models of Stainless steel spiral tube manometer S-20/23/25 on the market. We are committed to offering you the finest Stainless steel spiral tube manometer S-20/23/25 at great prices while providing exceptional customer service. We are supported by a team of highly skilled and qualified professionals, which helps us in catering to the variegated requirements of our clients in an efficient manner. Thank you for the opportunity to fulfill your P550 SERIES, Stainless steel spiral tube manometer S-20/23/25, 300 bar manometer, 25mm manometer, helical tube pressure gauge supply needs. We appreciate your business!