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 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 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 Spiral tube manometer S-20/23/25.
Spiral tube pressure gauge


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: 0-60psi up to 6,000psi (400 bar)
  • Dial: white aluminum with markings and graduations
  • Window: polycarbonate
  • Pointer: black or yellow painted brass
  • Case: nickel plated brass, blow out hole at the back
  • Socket: nickel plated brass
  • Spiral tube: phosphor bronze spiral tube for pressure up to 3000 psi, 304 stainless steel for 4,000 psi to 6,000 psi
  • Connection: 1/8", 1/4"PT, NPT, BSP thread
  • Mounting: center back
  • Accuracy: +/-3% of full scale
  • Operating Temperature Limit: -20 ~ 60°C (-4 ~ 140°F)

Country of Origin :


Main Export Markets :

North America, Europe, Southeast Asia

Payment Details :

Minimum Order : T/T, Paypal

Lead Time :

Days : 30  FOB Port

Related Products : Shanghai

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Welcome to our website! CHUEN CHARNG CO LTD carries only the best brands and models of Spiral tube manometer S-20/23/25 on the market. We are committed to offering you the finest 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, Spiral tube manometer S-20/23/25, 300 bar manometer, 25mm manometer, helical tube pressure gauge supply needs. We appreciate your business!