Product Handbook 2026 - Volume 2

Steam traps Balanced pressure

8

Materials

BPT13T

3

2 19 12 11 17

15 1 16 18

13

BPT13TGX with view glass

8 7 5 10

14

4 6 6

9

21 22

20

No.

Part

Material

1 2 3 4 5 6 7 8 9

Body

Brass

BS EN 12165 CW 617N

End connection

Brass

BS EN 12165 CW 617N

Cap

Brass

BS EN 12165 CW 617N

Actuator

Stainless steel

BS 3146 Pt2 ANC 4B

Spindle

Stainless steel

BS 970 431 S29

Stem seal

25% carbon filled PTFE

Gland nut

Stainless steel

BS 970 303 S31

8.2 16

Spring washer

Stainless steel

BS 6105 Gr. A4

Lock-nut

Stainless steel

ISO 3506-2: A2-70

10

Ball plug

Brass (ELNP Finish)

BS 2874 CZ 121

11

Seat 'O' ring

Synthetic rubber high fluorine fluorocarbon

12 13 14 15 16

Valve seat

Stainless steel

BS 970 431 S29

Main seal

25% carbon filled PTFE

End connection 'O' ring

Synthetic rubber high fluorine fluorocarbon

Screen

Stainless steel

ASTM A240 TP 304

Spacer plate

Stainless steel

BS 1449 304 S16

17

Capsule

Stainless steel

18 19 20

Spring

Stainless steel

BS 2056 302 S26

Cap 'O' ring

Synthetic rubber high fluorine fluorocarbon

Sight tube housing

Brass

BS 2874 CZ 121

21

Sight tube gasket

Virgin PTF E/Flurocarbon

22

Sight tube

Borosilicate glass

TI-P126-03 ST Issue 6

Page 2 of 5

BPT13T and BPT13TGX Thermostatic Steam Traps

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