Pressure Ratings

Equipment in Various Common Materials

Material

Connection

316 CNDS

316 CNDA

NIT50 CNDA

22% Chrome Duplex

25% Chrome Duplex

HC276

IN600

Pressure Rating at Room Temperature (psi)

AF1

15000

10000

15000

15000

15000

15000

10000

AF2

15000

10000

15000

15000

15000

15000

10000

AF4

10000

10000

10000

10000

10000

10000

10000

AF6

10000

10000

10000

10000

10000

10000

10000

LF12

10000

7500

10000

10000

10000

10000

10000

LF16

10000

7500

10000

10000

10000

10000

10000

LF4

20000

10000

14500

17000

20000

12500

9000

LF6

20000

10000

14500

17000

20000

12500

9000

LF9

20000

9000

17000

20000

20000

12500

10500

LF12

20000

9000

17000

20000

20000

12500

10500

LF16

20000

9000

17000

20000

20000

12500

10500

LF24*

20000

8000

15000

15000

15000

12500

10500

HF2

30000

20000

30000

30000

30000

29500

25000

HF4

30000

20000

30000

30000

30000

29500

25000

HF6

30000

20000

30000

30000

30000

29500

25000

HF9

30000

20000

30000

30000

30000

29500

25000

HF16

30000

14000

25500

30000

30000

19000

16000

HF9

40000

20000

33000

34500

40000

24500

21000

HF2

60000

30000

50000

52000

60000

37000

31500

HF4

60000

30000

50000

52000

60000

37000

31500

HF6

60000

30000

50000

52000

60000

37000

31500

HF9

60000

30000

50000

52000

60000

37000

31500

NFA

15000

8000

14500

15000

13000

10500

9000

NFB

15000

8000

14500

15000

13000

10500

9000

NFC

15000

8000

14500

15000

13000

10500

9000

NFD

15000

8000

14500

15000

13000

10500

9000

NFF

10000

6500

10000

10000

10000

9000

7500

NFH

10000

6500

10000

10000

10000

9000

7500

Material

Connection

IN625

Grade 1

IN718

IN825

MO400

TI2

TI5

254 Smo

Pressure Rating at Room Temperature (psi)

AF1

15000

15000

15000

10000

15000

15000

15000

AF2

15000

15000

15000

10000

15000

15000

15000

AF4

10000

10000

10000

10000

10000

10000

10000

AF6

10000

10000

10000

10000

10000

10000

10000

LF12

10000

10000

10000

8000

10000

10000

10000

LF16

10000

10000

10000

8000

10000

10000

10000

LF4

15500

20000

9000

6500

10500

20000

11500

LF6

15500

20000

9000

6500

10500

20000

11500

LF9

18500

20000

10500

7500

12000

20000

13500

LF12

18500

20000

10500

7500

12000

20000

13500

LF16

18500

20000

10500

7500

12000

20000

13500

LF24*

15000

15000

10500

7500

12500

15000

13500

HF2

30000

30000

25000

17500

28500

30000

30000

HF4

30000

30000

25000

17500

28500

30000

30000

HF6

30000

30000

25000

17500

28500

30000

30000

HF9

30000

30000

30000

17500

28500

30000

30000

HF16

28000

30000

16000

11500

18500

30000

20500

HF9

34500

40000

21000

15000

24000

40000

26500

HF2

52000

60000

31500

22500

36500

60000

40000

HF4

52000

60000

31500

22500

36500

60000

40000

HF6

52000

60000

31500

22500

36500

60000

40000

HF9

52000

60000

31500

22500

36500

60000

40000

NFA

15000

15000

9000

6500

10500

15000

11500

NFB

15000

15000

9000

6500

10500

15000

11500

NFC

15000

15000

9000

6500

10500

15000

11500

NFD

15000

15000

9000

6500

10500

15000

11500

NFF

10000

10000

7500

5000

8500

10000

9500

NFH

10000

10000

7500

5000

8500

10000

9500

*Note: Fittings with LF24 connections are available in 316 CW material. Standard material for valves with LF24 connections is 2205 Duplex Stainless

Tubing in Various Materials*

Part Number

Tubing Size OD x ID (inches)

Material vs Pressure Rating (psi)

316 CNDS

316 CNDA

22% Chrome Duplex

25% Chrome Duplex

Hastelloy C276

Inconel 600

Inconel 625 Gr 1

Monel 400

Titanium Gr 2

Low Pressure

15-9A2

1/8 x 0.060

15000

10000

15000

15000

15000

15000

15000

10000

15000

10-9A4

1/4 x 0.125

10000

7500

10000

10000

10000

9000

10000

6500

9000

10-9A6

3/8 x 0.250

10000

7500

10000

10000

10000

9000

10000

6500

9000

Medium Pressure

20-9M4

1/4 x 0.109

20000

10000

17500

20000

15000

11500

17500

8000

13000

20-9M6

3/8 x 0.203

20000

10000

17500

20000

15000

11500

17500

8000

13000

10-9M9

9/16 x 0.359

15000

7000

13000

15000

10000

8000

15000

6000

9500

20-9M9

9/16 x 0.312

20000

10000

17500

20000

15000

11500

17500

8000

13000

10-9M12

3/4 x 0.516

15000

7000

13000

15000

10000

8000

14000

6000

9500

20-9M12

3/4 x 0.438

20000

10000

17500

20000

15000

11500

17500

8000

13000

10-9M16

1 x 0.688

15000

7000

13000

15000

10000

8000

14500

6000

9500

20-9M16

1 x 0.562

20000

10000

17500

20000

15000

11500

17500

8000

13000

High Pressure

60-9H2

1/8 x 0.020

60000

30000

40000

60000

30000

23000

40000

17500

28000

30-9H2

1/8 x 0.040

30000

20000

30000

30000

25000

17500

30000

13000

21000

60-9H4

1/4 x 0.083

60000

30000

40000

57000

30000

23000

40000

17500

28000

60-9H6

3/8 x 0.125

60000

30000

40000

57000

30000

23000

40000

17500

28000

60-9H9

9/16 x 0.188

60000

30000

40000

57000

30000

23000

40000

17500

28000

40-9H9

9/16 x 0.250

40000

20000

34000

40000

23000

17500

30000

13000

21000

30-9H16

1 x 0.437

43000

20000

35000

43000

23000

17500

30000

13000

21000

* Not all tubing sizes available in all materials.

Temperature Rating

Taper Seal Series Valves and Fittings

Pressure Rating Reduction

316 and 304 SS Components at Elevated Temperatures

Products

 

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