ABX Fluid Fittings 2026-2027

Pneumatic Valves – Series 3 and 4

Specifications Type of construction

Description The pneumatically operated Series 3 and Series 4 valves have been designed with three different methods of return. A pneumatic signal, mechanical spring or differential pneumatic return. This is due to the type of design consisting of a balanced spool, which means that it can be used for a wide range of applications.

Spool (servo controlled)

Valve group

3/2, 5/2 and 5/3-way position Centre Closed (CC) or Centre Open (CO) Aluminium body, stainless steel spool, NBR seals

Materials

Mounting

Through holes in valve body

Ports

1/8”, 1/4”, 1/2”

Operating temperature Operating pressure

0°C to 60°C (with dry air -20°C)

10 bar maximum

Nominal pressure

6 bar

Minimum pilot pressure

2.5 bar

Nominal flow

Series 3: 1/8” = 750 NI/min Series 4: 1/8” = 650 Nl/min 1/4” = 1250 Nl/min, 1/2” = 1900 Nl/min 1/8” = 5 mm, 1/4” = 7.5 mm, 1/2” = 12 mm

Nominal diameter

Six

Pneumatic / Spring 3/2 Part Number

Pneumatic / Pneumatic 3/2 Part Number

2530

2530

Function

Port Size

Function

Port Size

Z338-035 Z338L-035 Z438-035 Z434-035

3/2 3/2 3/2 3/2

1/8” 1/8” 1/8”

Z338-033 Z338L-033 Z438-033 Z434-033

3/2 3/2 3/2 3/2

1/8” 1/8” 1/8”

1/4” L – Can be mounted on manifolds

1/4” L – Can be mounted on manifolds

5/2

5/2

Z358-035 Z458-035 Z454-035 Z452-035

5/2 5/2 5/2 5/2

1/8” 1/8” 1/4” 1/2”

Z358-033 Z458-033 Z454-033 Z452-033

5/2 5/2 5/2 5/2

1/8” 1/8” 1/4” 1/2”

5/3

Z468-033 Z464-033 Z474-033

5/3 CC 5/3 CC 5/3 CO

1/8” 1/4” 1/4”

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Pneumatic / Pneumatic Differential 3/2 Part Number Function

2530

Port Size

Z438-034 Z434-034

3/2 3/2

1/8” 1/4”

5/2

Z458-034 Z454-034 Z452-034

5/2 5/2 5/2

1/8” 1/4” 1/2”

Find it on pages 8.59 – 8.63

6.59