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316L Stainless Steel Compression fitting pressure gauge connector

Home / Products / Stainless Steel Tube Fittings / Tube To Female Pipe / 316L Stainless Steel Compression fitting pressure gauge connector

316L Stainless Steel Compression fitting pressure gauge connector

Specifically designed to integrate pressure gauges, transmitters, and other measuring instruments into piping systems, this pressure gauge connector (also known as a gauge adapter) is a critical junction. Manufactured from 316L high-purity stainless steel, it serves as the reliable link between precision instruments and high-pressure tubing.

Core Product Advantages

Instrument-Grade Precision Fit:
The female threaded end is optimized for pressure gauge interfaces (such as G/Parallel or NPT threads). It often features a flat-bottom design to accommodate sealing washers, ensuring easy gauge orientation and a leak-tight seal.

Superior Vibration and Pulsation Dampening:
The double-ferrule mechanical locking technology effectively absorbs mechanical vibrations and pressure transients within the line. This prevents gauge loosening or measurement errors caused by vibration, significantly extending the service life of sensitive instruments.

Ultimate 316L Corrosion Resistance:
The low-carbon 316L material provides excellent resistance to pitting and chemical attack. Its high-cleanliness internal bore prevents particle accumulation that could otherwise contaminate the instrument’s sensing elements.

High-Pressure Safety and Integrity:
With a design pressure rating of up to 6000 psig, the one-piece forged body offers a high safety margin. It ensures an airtight seal even under overpressure conditions, preventing the leakage of hazardous media.

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  • Description
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(METRIC) Connects metric tube to ISO parallel thread (gauge)

CATALOG NUMBER

T TUBE O.D.

R(PF)
FEMALE
PIPE SIZE

A

B

D

E

F

G

H

FCG-3-2G

3 

1/8

34 

14 

13.5 

2.4 

19 

12 

27 

FCG-6-2G

6 

1/4

36.2 

14 

15.8 

4.8 

19 

14 

28.4 

FCG-6-3G

6 

3/8

38 

15 

15.8 

4.8 

22 

14 

30.2 

FCG-6-4G

6 

1/2

40.9 

19 

15.8 

4.8 

27 

14 

33.1 

FCG-8-2G

8 

1/4

38.7 

14 

16.7 

5.5 

19 

16 

31 

FCG-8-3G

8 

3/8

38.7 

15 

16.7 

6.4 

22 

16 

31 

FCG-8-4G

8 

1/2

43.5 

20 

16.7 

6.4 

27 

16 

35.8 

FCG-10-2G

10 

1/4

39.4 

14 

19.6 

5.5 

19 

19 

31.8 

FCG-10-3G

10 

3/8

39.4 

15 

19.6 

6.5 

22 

19 

31.8 

FCG-10-4G

10 

1/2

44.2 

19 

19.6 

7 

27 

19 

36.6 

FCG-12-2G

12 

1/4

42.6 

14 

23.8 

5.5 

22 

22 

31.8 

FCG-12-3G

12 

3/8

42.6 

15 

23.8 

6.5 

22 

22 

31.8 

FCG-12-4G

12 

1/2

48.9 

19 

23.8 

7 

27 

22 

38.1 

FCG-20-4G

20 

1/2

54.7 

19 

25.5 

7 

30 

32 

44.2 

FCG-22-4G

20 

1/2

54.7 

19 

25.5 

7 

30 

32 

44.2 


(FRACTIONAL) Connects metric tube to ISO parallel thread (gauge)

FCG-02-1G

1/4

1/8

31.7 

10 

15.8 

4.8 

14 

14 

23.9 

FCG-02-2G

1/4

1/4

36.2 

14 

15.8 

4.8 

19 

14 

28.4 

FCG-02-3G

1/4

3/8

38 

15 

15.8 

4.8 

22 

14 

30.2 

FCG-02-4G

1/4

1/2

40.9 

19 

15.8 

4.8 

27 

14 

33.1 

FCG-03-2G

3/8

1/4

39.4 

14 

19.6 

5.5 

19 

17 

31.8 

FCG-03-3G

3/8

3/8

44.2 

15 

19.6 

6.5 

22 

17 

36.6 

FCG-03-4G

3/8

1/2

44.2 

19 

19.6 

7 

27 

17 

36.6 

FCG-04-2G

1/2

1/4

42 

14 

23.4 

5.5 

22 

22 

31.8 

FCG-04-3G

1/2

3/8

42 

15 

23.4 

6.5 

24 

22 

31.8 

FCG-04-4G

1/2

1/2

48.3 

19 

23.4 

7 

27 

22 

38.1 


(FRACTIONAL) Connects metric tube to ISO parallel thread (gauge)

FC-3-M14*1.5

3

M14x1.5

34 

15 

13.5 

2.4 

19 

12 

27 

FC-6-M14*1.5

6

M14x1.5

38 

15 

15.8 

4.8 

19 

14 

30.2 

FC-8-M14*1.5

8

M14x1.5

37.8 

15 

16.7 

5.5 

19 

16 

31 

FC-10-M14*1.5

10

M14x1.5

39.4 

15 

19.6 

5.5 

19 

19 

31.8 

FC-12-M14*1.5

12

M14x1.5

42.6 

15 

23.8 

5.5 

22 

22 

31.8 

FC-6-M16*1.5

6

M16x1.5

38 

16 

15.8 

6.5 

22 

14 

30.2 

FC-8-M16*1.5

8

M16x1.5

38.7 

16 

16.7 

6.4 

22 

16 

31 

FC-10-M16*1.5

10

M16x1.5

39.4 

16 

19.6 

6.4 

22 

19 

31.8 

FC-12-M16*1.5

12

M16x1.5

42.6 

16 

23.8 

6.5 

22 

22 

31.8 

FC-8-M18*1.5

8

M18x1.5

41.3 

16 

16.7 

6.4 

24 

16 

33.6 

FC-12-M18*1.5

12

M18x1.5

44.4 

16 

23.8 

7 

24 

22 

33.6 

FC-6-M20*1.5

6

M20x1.5

40.3 

16 

15.8 

4.8 

27 

14 

32.5 

FC-8-M20*1.5

8

M20x1.5

41.2 

16 

16.7 

6.4 

27 

16 

33.5 

FC-10-M20*1.5

10

M20x1.5

42.1 

16 

19.6 

7 

27 

19 

34.5 

FC-12-M20*1.5

12

M20x1.5

45.3 

16 

23.8 

7 

27 

22 

34.5 

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About Us
Ningbo Keshengli Stainless Steel Valve Co., Ltd.
Ningbo Keshengli Stainless Steel Valve Co., Ltd.

Our company specializes in the manufacturing and sales of stainless steel pipe fittings and valves in national (GB), American (ANSI/ASME), and British (BS) standards. We are equipped with advanced CNC machining centers, material testing and heat treatment facilities, a skilled technical team, and a robust production workforce. With a sound quality management system and excellent after-sales service, we sincerely serve customers worldwide.

Our main products include: ferrule-type fittings, threaded fittings, instrument fittings, instrument needle valves, instrument ball valves, ferrule needle valves, ferrule ball valves, compact high-pressure instrument needle valves, compact high-pressure instrument ball valves, and high-pressure check valves. The primary material is SS316 stainless steel. These products are widely used in petrochemical, petroleum, electric power, pharmaceutical, food, papermaking, marine, and general machinery industries.

We strictly control product quality at every stage and are committed to delivering superior quality through advanced technology and professional management. Adhering to the business philosophy of "Quality First, Customer Supreme, Integrity Foremost," we strive to build the "NB-KSL" brand image, better serve our customers, and work together with you to create a prosperous future.

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