Slide valve Type 4160 (normally closed) and 4165 (normally open)



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SLIDE VALVES

Types 3100, 3105

Types 3100.M002, 3105.M002

Types 3101 – 3109

Types 3111, 3115

Types 3111.M002, 3115.M002

Types 3160 – 3167

Types 4100, 4105

Types 4101 – 4107

Types 4111, 4115

Types 4160, 4165

Pilot-operated, three port, two position slide
valve with a spring-return action
Special high pressure seals prevent leakage
NACE Standard MR-01-75 compliance


Slide valves Type 4160 (normally closed) and 4165 (normally open) are manifold mounted, pilot-operated, three port, two position valves with a spring-return action. A major feature of the valve design is elimination of the continuous internal leakage which is characteristic of conventional lapped-face spool valves. The valves each incorporate special high pressure seals which prevent leakage and so render the valves suitable for use with many fluid media.

The valve slide (which can be supplied either normally closed or normally open) has a 'block before bleed' action. In a normally closed valve, for example, this means that the tank port is isolated before pressure and service ports are interconnected.


Materials

Predominantly 316 stainess steel and CA104 aluminium bronze with seals of fluoroelastomers and PTFE materials, ensure high corrosion resistance and comply with NACE Standard MR-01-75 (latest revision as applicable).

 

Operating parameters


Working pressure 690 bar (10,000 psi) max.
Pilot pressure 3.4 to 17.2 bar (50 to 250 psi)
Operating media
– main slide
Mineral oils, water, water-glycol mixtures
Operating media
– pilot section
Air or any of the main slide media above.
Recommended filtration 25 micron
Connections 3/8"NPT F
1/4"NPT F pilot port
Flow rate, nominal 54 litres/min (12 imp galls/min)
Working temperature –20°C to + 130°C

Port assignments


Port Valve 4160 Valve 4165
Port 1 Pilot Pilot
Port 3 Service Service
Port 4 Supply Tank
Port 5 Tank Supply

© Marshalsea Hydraulics Limited – a member of the Bifold Fluidpower group of companies.

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