Series VYSP-G FV Inline Valve, Double Acting
Universal vacuum valves for pumping systems, process or venting applications. Ideal for vacuum isolation or control in demanding installation situations. PRECESS provides FV angle valve solution for your system.
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Series VYSP-G FV Inline Valve, Double Acting
The key performance indicators for angle valves are reliability and variability. The VYSP-G FV Inline Angle Valve series combines both. The series has been designed to allow the construction of large sizes for high and even slightly contaminated gas volume flows. Sizes of up to DN 250 mm have been produced so far.

Tested in thousands of demanding applications under various process conditions the VYSP-G series has proven its outstanding reliability. With its various design options in actuation, flanges connection, body material or sealing, nearly every requirement can be met.

The VYSP-G is ideal for the pumping and venting of vacuum systems. It resists high differential pressure, and its modular design means it can be adjusted to various process and operation requirements. The VYSP-G is designed for outstanding reliability and a long lifetime.

Based on a reliable and robust core design the VYSP-G FV Inline Angle Valve offers a high verity of design options for actuation from manual to pneumatic. In sizes from DN 16 to DN 250 mm the VYSP-G can be selected in aluminum or stainless steel in various specifications. The “all aluminum” solution provides advantages in selected applications with corrosive gases.
The standard options for flange connectors are ISO-KF and ISO-K. A visual position indication comes as standard although an electrical indicator can be added as an option. The valve can be controlled by a solenoid valve either “on board” or in a distant location if required. The VYSP-G can be used in different temperature regimes depending on the sealing elastomer chosen. The valve can be supplied as normally opened (NO), normally closed (NC) or double acting. In addition to these standard options further customization is possible.
Key features of the Series VYSP-G FV Inline Valve, Double Acting
Features:
Low cost of ownership
FV Inline angle valve with solenoid valve
Pneumatic drive with double action
Shaft feedthrough
Long maintenance free cycle
Benefits:
Angle and inline modularization design
Resistance against high differential pressure
Optional sealing material FKM or FFKM
Large number of design options
TECHNICAL DATA
Downloads
SIZES

DN16 to 250mm
ACTUATOR
Pneumatic
Double acting

Manual
With Removable Handwheel
BODY MATERIAL

Aluminum or Stainless Steel
FEEDTHROUGH

Shaft feedthrough
LEAK RATE
Valve Body
< 1 × 10-9 mbar l/s

Valve Seat
< 1 × 10-9 mbar l/s
PRESSURE RANGE

1 × 10-7 mbar to 2 bar (abs)
DIFFERENTIAL PRESSURE
In Opening Direction
≤ 1.2bar Max.

In Closing Direction
≤ 4bar Max.
DIFFERENTIAL PRESSURE ON THE PLATE

≤ 1bar
CYCLES UNTIL FIRST SERVICE

≥ 1,000,000
TEMPERATURE
Valve Body
≤ 120 °C

Actuator
≤ 60 °C
MATERIAL
Valve Body, Plate
AlSI 304 (1.4301)

Shaft
AlSI 304 (1.4301)

Bellows
NA
SEAL
Bonnet
FKM (Viton®) or on request

Gate
FKM (Viton®) or on request
MOUNTING POSITION

Any
SOLENOID VALVE

24 VDC, 2.5 W (others on request)
POSITION INDICATOR: CONTACT RATING
Voltage
≤ 24 VDC

Current
0-50 mA
VALVE POSITION INDICATION

Visual LED Lamp

Series VYSP-G FV Inline Valve, Double Acting
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