Can the Manual shut-off valve for compressed air V3V, SYNTESIÂ® series be locked with two SY1 padlocks and still allow connection of a pressure gauge to the front auxiliary port?

Yes. The Manual shut-off valve for compressed air V3V, SYNTESIÂ® series can be locked with two SY1 padlocks and still allow connection of a pressure gauge to the front auxiliary port. The valve body includes a system allowing installation of two SY1 padlocks (SY1 size uses 1/8" auxiliary ports), and the front surface features an auxiliary connection (BSP 1/8") specifically for a pressure gauge or pressure sensor. Thus locking with two SY1 padlocks does not obstruct the front auxiliary port.

Can the Manual shut-off valve for compressed air V3V, SYNTESIÂ® series be fitted with three SY2 padlocks while still allowing use of the rear auxiliary port for a pressure sensor?

Yes. The Manual shut-off valve for compressed air V3V, SYNTESIÂ® series can accommodate three SY2 padlocks (Ã 3 mm) and still allow use of the rear auxiliary port for a pressure sensor. The valve has provision for three SY2 padlocks and features rear and front auxiliary connections (1/4" for size SY2) intended for a pressure gauge or pressure sensor, so the rear port remains usable while the padlocks are installed.

Can the Manual shut-off valve for compressed air V3V, SYNTESIÂ® series vent the system while a Ã7 padlock is installed?

Manual shut-off valve for compressed air V3V, SYNTESIÂ® series can vent the system while a Ã7 padlock is installed only if you select the version that includes a Ã7 hole for a single padlock. Standard SY1/SY2 lockout options allow two padlocks (SY1) or three padlocks (SY2) with 3 mm shanks; those configurations use different lock holes and are not compatible with a Ã7 padlock. Therefore, to vent the system and secure the valve with a Ã7 padlock, choose the variant explicitly supplied with the Ã7 hole.

Manual shut-off valve for compressed air V3V, SYNTESI® series

Air preparation elements (FRL), All products/

Additional information

Maximum operating temperature [°C]	50
Minimum operating temperature [°C]	-10

Manual shut-off valve V3V series SYNTESI®, with end connections, is used to separate the working system from the supply air. It is a three-way, two-position, normally closed valve. In the closed position, it cuts off the supply air and vents the system, making it particularly useful for maintenance work. It has a system allowing for the installation of two padlocks of size SY1 or three padlocks of size SY2 with a diameter of 3 mm. Alternatively, a version with a Ø 7 hole for a single padlock is available. On the rear and front surfaces of the valve, there are auxiliary connections (1/8” for size SY1 and 1/4” for size SY2) for connecting a pressure gauge, pressure sensor, or for additional air intake. Size: SY1, SY2. Connection: BSP thread 1/8″, 1/4″, at the front and rear. Supply pressure: up to 15 bar, depending on the size. Operating temperature: from -10°C to +50°C. Nominal flow: up to 4000 l/min, depending on the size (at an inlet pressure of 6 bar and Δp = 1 bar).

List of product variants

Article number	Product variant name	DN	BAR	Availability	Actions
MW-5611V101	Manual shut-off valve V3V SY1 1/8	-	-	In stock	Enquiry
MW-5612V102	Manual shut-off valve V3V SY1 1/4	-	-	In stock	Enquiry
MW-5613V103	Manual shut-off valve V3V SY1 3/8	-	-	In stock	Enquiry
MW-5623V103	Manual shut-off valve V3V SY2 3/8	-	-	In stock	Enquiry
MW-5624V104	Manual shut-off valve V3V SY2 1/2	-	-	In stock	Enquiry
MW-5625V105	Manual shut-off valve V3V SY2 3/4	-	-	In stock	Enquiry
MW-5626V106	Manual shut-off valve V3V SY2 1"	-	-	In stock	Enquiry

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Manual shut-off valve V3V series SYNTESI®, with end connections, is used to separate the working system from the supply air. It is a three-way, two-position, normally closed valve. In the closed position, it cuts off the supply air and vents the system, making it particularly useful for maintenance work. It has a system allowing for the installation of two padlocks of size SY1 or three padlocks of size SY2 with a diameter of 3 mm. Alternatively, a version with a Ø 7 hole for a single padlock is available. On the rear and front surfaces of the valve, there are auxiliary connections (1/8” for size SY1 and 1/4” for size SY2) for connecting a pressure gauge, pressure sensor, or for additional air intake. Size: SY1, SY2. Connection: BSP thread 1/8″, 1/4″, at the front and rear. Supply pressure: up to 15 bar, depending on the size. Operating temperature: from -10°C to +50°C. Nominal flow: up to 4000 l/min, depending on the size (at an inlet pressure of 6 bar and Δp = 1 bar).