ASCO

ASCO - Air controlled 1/4" or NAMUR

Air controlled slide valve for 1/4" connection or NAMUR. The 1/4" valve can be ordered in an environmental protection version, whereas it is standard with the NAMUR valve. Environmental protection means that all the internal parts of the valve are totally sealed against fluids, dust, corrosive substances etc. that may be present in the surroundings.

The 1/4" valve is ordered in 3/2 or 5/2 versions and can be single or manifold mounted for common supply. The NAMUR valve is delivered with two adapter plates as standard. The valve can then be adapted to 3/2 or 5/2 function by fitting the relevant plate.

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  • Function 3/2-5/2
  • Environmental protection version
  • High flow rate
  • Robust construction with aluminium housing

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Technical data

Approvals IEC, TÜV
Connection G1/4
Connection air G1/8
Differential pressure max 10 bar
Differential pressure min 0 bar
Flow max 860 l/min
Function 3/2, Air-controlled with spring return, Normally Closed (SPST)
IP class IP65
Manual operation No
Material internal parts Aluminium, POM, Stainless steel
Material of body Anodised aluminum
Material of seals NBR, PUR
Mounting Independent
Pilot pressure max 10 bar
Pilot pressure min 2 bar
Pressure max 10 bar
Short circuit protection No
Temperature operational max 60 °C
Temperature operational min -25 °C
Type of valve Air controlled
Weight 0,43 kg

Measurements and connections

Technical illustrations

Product description

Air controlled slide valve for 1/4" connection or NAMUR. The 1/4" valve can be ordered in an environmental protection version, whereas it is standard with the NAMUR valve. Environmental protection means that all the internal parts of the valve are totally sealed against fluids, dust, corrosive substances etc. that may be present in the surroundings.

The 1/4" valve is ordered in 3/2 or 5/2 versions and can be single or manifold mounted for common supply. The NAMUR valve is delivered with two adapter plates as standard. The valve can then be adapted to 3/2 or 5/2 function by fitting the relevant plate.

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Parts Flow max Function Mounting Price
860 l/min
3/2, Air-controlled with spring return, Normally Closed (SPST)
Independent
860 l/min
3/2, air operated, Normally Closed (SPST)
Independent
860 l/min
5/2, Air-controlled with spring return
Independent
860 l/min
5/2, air operated
Independent
700 l/min
3/2-5/2, Air-controlled with spring return, NAMUR, Normally Closed (SPST)
NAMUR standard
700 l/min
3/2-5/2, air operated, NAMUR
NAMUR standard

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