Trafag pressure switches PST4B / 9B4

Trafag pressure switches PST4B / 9B4

Price range: €168,36 through €194,90 (€203,72 incl. VAT)

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Product information and datasheets →

Pressure range (Bar)

Process Connection

Overpressure max.

Switching differential

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SKU: PST4B / 9B4 Categories: Trafag, Trafag Pressure Switches Tags: pressostat 9b4, presssure switch trafag, trafag pressure switches, trafag pressostat pst4b, update2026

Description

Trafag pressure switches can be used for a variety of applications including shipbuilding, engine building, hydraulics and pneumatics applications.

Product variations:

Product no.	Type Code	Pressure range	Over pressure max.	Switching differential
PST4B3.44	9B4 4274 769 04 15 46 V3	-0.6 … 3.4	12	0.2 ± 0.1 (fixed)
PST4B3.4F4	9B4 4274 769 04 11 15 46 74 V3	-0.6 … 3.4	12	0.2 ± 0.1 (fixed)
PST4B64	9B4 4277 770 04 15 46 V3	0 … 6	12	0.2 ± 0.1 (fixed)
PST4B6S4	9B4 4277 753 04 15 46 V3	0 … 6	12	0.2 ± 0.1 (fixed)
PST4B6F4	9B4 4277 770 04 11 15 46 74 V3	0 … 6	12	0.2 ± 0.1 (fixed)
PST4B164	9B4 4279 771 04 15 46 V3	1 … 16	24	0.4 ± 0.2 (fixed)
PST4B16S4	9B4 4279 754 04 15 46 V3	1 … 16	24	0.4 ± 0.2 (fixed)
PST4B16F4	9B4 4279 771 04 11 15 46 74 V3	1 … 16	24	0.4 ± 0.2 (fixed)
PST4B254	9B4 4280 772 04 15 46 V3	2 … 25	40	1.0 ± 0.6 (fixed)
PST4B25F4	9B4 4280 772 04 11 15 46 74 V3	2 … 25	40	1.0 ± 0.6 (fixed)
PST4B404	9B4 4281 772 04 15 46 V3	4 … 40	50	1.2 ± 0.8 (fixed)
PST4B40F4	9B4 4281 772 04 11 15 46 74 V3	4 … 40	50	1.2 ± 0.8 (fixed)

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Extra information

Weight	1 kg
Pressure range (Bar)	-0.6 … 3.4, 1 … 16, 2 … 25, 4 … 40, 0 … 6
Process Connection	G¼" BSP internal, Flange
Overpressure max.	24, 40, 50, 12
Switching differential	0.2 ± 0.1 (fixed), 0.4 ± 0.2 (fixed), 1.0 ± 0.6 (fixed), 1.2 ± 0.8 (fixed)
Brand	Trafag

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