Product Handbook 2026 - Volume 1

Compressed air products Isolation valves, drain traps and ancillaries

5

Pressure/temperature limits

CA46S - DN15, DN20 and DN25 (½", ¾" and 1") flanged

Pressure psi g

0

145

290

435

580

752 572 392 212 32

0 100 200 300 400

A

B

C

0

10

20

30

40

Pressure bar g

The product must not be used in this region.

A - B Flanged EN 1092 PN40 and ASME 300. A - C Flanged ASME 150 and JIS/KS 20K.

Body design conditions

PN40

40 bar g @ 80 ° C

PMA Maximum allowable pressure

580 psi g @ 176 °F

400 ° C @ 20 bar g

TMA Maximum allowable temperature

752 °F @ 290 psi g

5.5 61

0 ° C

Minimum allowable temperature

32 °F

40 bar g @ 80 ° C

PMO Maximum operating pressure

580 psi g @ 176 °F

400 ° C @ 20 bar g

TMO Maximum operating temperature

752 °F @ 290 psi g

0 ° C

Minimum operating temperature

32 °F

Note: For lower operating temperatures consult Spirax Sarco

Specific gravity

Trap

1.0

0.9

0.8

0.7

0.6

CA46S-4.5

4.5

4.5

4.5

3.4

2.0

D PMX Maximum differential pressure The maximum differential pressure depends on the specific gravity of the liquid being drained.

CA46S-10

10.0

9.5

6.8

5.5

3.4

9.5.54

CA46S-14

14.0

14.0

11.0

8.0

5.0

CA46S-21

21.0

19.0

15.0

10.0

6.5

CA46S-32

32.0

30.0

23.0

16.5

10.0

Product is safe for use under full vacuum conditions

PN40

60 bar g

870 psi g

ASME 300

60 bar g

870 psi g

Designed for a maximum cold hydraulic test pressure of:

ASME 150

30 bar g

435 psi g

JIS/KS 20K

49 bar g

710 psi g

Caution: The trap in its complete operational form must not be subjected to a pressure of greater than 48 bar (696 psi) otherwise damage to the internal mechanism may result.

TI-P148-04 CMGT Issue 13

Page 3 of 8

CA46 and CA46S Austenitic Stainless Steel Air and Gas Traps Flanged DN15 (½") to DN25 (1")

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