LENO™ MSV-O is a new generation of manual valves for balancing flow in heating, cooling and domestic hot water systems.
LENO™ MSV-O is a combined presetting and shut off valve with a range of unique features:
• Fixed venturi orifice.
• Removable hand wheel for easy mounting.
• Numeric presetting scale, visible from more angles.
• Easy locking of presetting.
• Built-in measuring nipples for 3mm needles.
• Open-close with Allen key in emergency.
• Open-closed colour indicator.
It is recommended to use LENO™ MSV-O in constant
flow systems in front of boilers, flat stations or heat pumps in one-family houses for balancing,
shut-off function for service and repair, flow verification, one pipe systems. The valve may be mounted in flow or return.
All dimensions are available with internal thread.
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Code no.





003Z4020 LENO™ MSV-O DN 15 LF 0.63 Rp ½"
003Z4021 LENO™ MSV-O DN 15 2.8 Rp ½"
003Z4022 LENO™ MSV-O DN 20 5.7 Rp ¾"
003Z4023 LENO™ MSV-O DN 25 9.7 Rp 1"
003Z4024 LENO™ MSV-O DN 32 16.6 Rp 1¼"
003Z4025 LENO™ MSV-O DN 40 25.4 Rp 1½"
003Z4026 LENO™ MSV-O DN 50 37.9 Rp 2"

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