HHE 2022-2023

386 Seven PNEUMATIC / SPRING 3/2 PART NUMBER FUNCTION PORT SIZE PRICE Z338-035 3/2 1/8” £39.21 Z338L-035 3/2 1/8” £39.21 Z438-035 3/2 1/8” £50.17 Z434-035 3/2 1/4” £69.81 L – Can be mounted on manifolds 5/2 Z358-035 5/2 1/8” £41.48 Z458-035 5/2 1/8” £55.67 Z454-035 5/2 1/4” £74.04 Z452-035 5/2 1/2” £199.38 PNEUMATIC / PNEUMATIC DIFFERENTIAL 3/2 PART NUMBER FUNCTION PORT SIZE PRICE Z438-034 3/2 1/8” £58.93 Z434-034 3/2 1/4” £71.75 5/2 Z458-034 5/2 1/8” £58.93 Z454-034 5/2 1/4” £76.00 Z452-034 5/2 1/2” £192.81 PNEUMATIC / PNEUMATIC 3/2 PART NUMBER FUNCTION PORT SIZE PRICE Z338-033 3/2 1/8” £43.58 Z338L-033 3/2 1/8” £43.58 Z438-033 3/2 1/8” £52.42 Z434-033 3/2 1/4” £69.81 L – Can be mounted on manifolds 5/2 Z358-033 5/2 1/8” £45.74 Z458-033 5/2 1/8” £56.54 Z454-033 5/2 1/4” £74.04 Z452-033 5/2 1/2” £192.81 5/3 Z468-033 5/3 CC 1/8” £94.97 Z464-033 5/3 CC 1/4” £108.73 Z474-033 5/3 CO 1/4” £108.73 2530 2530 2530 PNEUMATIC VALVES – SERIES 3 & 4 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. SPECIFICATIONS Type of construction Spool (servo controlled) Valve group 3/2, 5/2 and 5/3-way position. Centre Closed (CC) or Centre Open (CO) Materials Aluminium body, stainless steel spool, NBR seals Mounting Through holes in valve body Ports 1/8”, 1/4”, 1/2” Operating temperature 0°C to 80°C (with dry air -20°C) Operating pressure 10 bar maximum Nominal pressure 6 bar Minimum pilot pressure 2 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 Nominal diameter 1/8” = 5 mm, 1/4” = 7.5 mm, 1/2” = 12 mm You may also need ... ... on pages 570 – 612, section 11 CDC push-in fittings