CNG Auto System Measurement Analysis Instruments
  • Seller Xi'an Dongxu Meters Instruments Co., Ltd.
  • Min. Order 100 Piece/Pieces
  • FOB Price US $3.5-4.5 /Piece

Item Details

Port: China main ports
Supply Ability: 50,000 Piece/Pieces per Month
Payment Terms: L/C,D/A,D/P,T/T,CNY

Product Description


CNG Pressure Gauge is fixed on the intake valve between cylinder and pressure reducing regulator of CNG vehicles to show the pressure of natural gas in cylinder. Through a gas pressure sensor inside, the gauge sends pressure signal to fuel changeover switch, so that the driver get to know the gas volume inside cylinder. Waterproof CNG Pressure Gauge owns patented waterproof craft, avoiding water inflow when you are washing you car, so that the gauge can be used longer.


Sensor type

Optical sensor

Over pressure

520 bar

Burst pressure

1000 bar

Testing pressure

400 bar

Working pressure

200 bar

Air leak rate



Normal grade 2.5


≥80000 times

Connector screw thread

1/4 BSP, M14*1.5, NPT1/4

Waterproof grade



Cover: stainless steel; Connector: brass


Bottom connection

Tightening torque (min. & max.)

150-220 N.m

Working temperature



CB01, CB02, CB03, CB08, etc.

Power voltage



1 year


1. Case material: Black Steel case and PC sensor cover

2. Window: Polycarbonate

3. Size: 2"(50mm), other size available

4. Bottom Connection: Brass thread& internal

5. Thread Size: 1/4"BSP; 1/4NPT

6. Thread Style: PF, NPT, PT, BSPT/ZG

7. Bourdon Tube: C form or Coiled shape

8. Dial and Pointer: Plastic /Aluminum

9. Accuracy Class: 2.5%/1.6%

10. Pressure Range: 0~400 bar

11. Measuring: 0~200bar

12. Supply Voltage: 12v DC

13. We can make series of gauges for Gas and Petroleum lines with diameter from 1" to 8".

Our Service:

1. Your inquiry related to our products or prices will be replied within 24hours.

2. Well-trained and experienced staffs to answer all your enquiries in fluent English.

3. All our products have 1-year warranties.

4. Offering the support to solve the problem in the application or selling period.

5. Competitive prices based on same quality.

6. Guarantee samples quality same as mass production quality.

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