Product Handbook 2026 - Volume 2

Steam traps Balanced pressure

8

Capacities

     





             Differential pressure bar (x 100 = kPa)

Dimensions/weights (approximate) in mm and kg Size A B C D E

Weight

C E Withdrawal distance

3/8 "

70

62

35

15

20

0.9

½"

70

62

35

15

20

0.9

5.2.32

B

D

8.2 51

A

Safety information, installation and maintenance For full details see the Installation and Maintenance Instructions (IM-P124-09) supplied with the product. Installation note:

The trap is designed for installation with the capsule in a horizontal plane and the cover at the top, preferably with a drop leg immediately preceding the trap. Installation in a vertical plane is also acceptable. When welding the trap into the pipeline, there is no need to remove the capsule, providing the welding is done by the electric arc method. Suitable isolation valves must be installed to allow for safe maintenance and trap replacement. Disposal: This product is recyclable. No ecological hazard is anticipated with the disposal of this product, providing due care is taken.

How to order Example: 1 off Spirax Sarco ½" BPM21L balanced pressure thermostatic steam trap having screwed BSP connections. The unit is to be supplied with a steel body with internal strainer screen and STD capsule for operation approximately 13 °C below steam saturation temperature.

TI-P124-08 CMGT Issue 3

Page 3 of 4

BPM21L Steel Balanced Pressure Thermostatic Steam Trap

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