UK Product Handbook 2026 - Volume 2

Pipeline ancillaries Pressure gauges and temperature gauges

10

Sizes and pipe connections Pressure gauge

3/8 " BSP male

EN ISO 228-1

Gauge end

3/8 " BSP female

Gauge cock

Syphon end

3/8 " BSP female parallel

Cock end

3/8 " BSP male taper

EN 10226-1

Ring / 'U' syphon

Process end

3/8 " male parallel

Materials

Part

Material

Case

Pressed steel

Gauge

Glass

Snap fit perspex

Steel

Bourdon tube

CuSh 8 (92% Cu 8% Zn)

Ring and 'U' syphon

Mild steel tube BS 1387 heavy grade

Body

Brass

Gauge cock (for use up to 16 bar g)

Handle

Phenolic

* For use on pressures above 16 bar g

3/8 " M10S2 ball valve

Carbon steel

Case

Stainless steel

Gauge

Glass

Snap-fit perspex

Stainless steel

Bourdon tube

Stainless steel 316TI

'U' syphon

Stainless steel

Gauge cock

Use a Spirax Sarco " M10S4

Stainless steel

Pressure/temperature limits Maximum design conditions

Full scale reading

PMA Maximum allowable pressure

Full scale reading

TMA Maximum allowable temperature of gauge.

217 °C

Note: Either a 'U' or a ring syphon must be fitted to achieve this.

Minimum allowable temperature

-40 °C

Range †

1.5 bar

20 psi

Range

1.6 bar

23 psi

PMO Maximum operating pressure Please note: 1. Where indicated (†) these units are available as compound gauges down to full vacuum. 2. For compressed air and steam services the maximum operating pressure for this product is 16 bar g. 3. Gauge cock limited to 16 bar g. Use M10S2 or M10S4 for higher pressures.

Range †

3 bar

40 psi

10.10 2

Range

4 bar

53 psi

Range †

5 bar

70 psi

Range

6 bar

86 psi

Range

10 bar

145 psi

Range

16 bar

230 psi

Range

25 bar

360 psi

Maximum ambient temperature

50 °C

TI-P027-01 CMGT Issue 14

Page 2 of 4

BSP Pressure Gauge with Syphon and Cock

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