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Product catalog summary

Overview: The document provides technical specifications for a robust vacuum valve designed for venting and rough metering of gases and liquids. It includes details on manual actuators, body materials, technical data, and dimensions.

Specifications:

Actuator Sizes: Available in DN 16 (⅝ inch), DN 25 (1 inch), and DN 40 (1½ inch).
Body Material: Options include aluminum and stainless steel.
Leak Rate: Less than 1 · 10^-9 mbar l/s for both body and valve seat.
Pressure Range: From 1 · 10^-7 mbar to 5 bar (absolute).
Temperature Limits: Valve body up to 100°C, handwheel up to 50°C.
Material Details: Aluminum (EN AW-6060, 6061, 6063, 6082) and stainless steel (AISI 316 L).
Seal Material: Diaphragm made of FKM (VITON).
Mounting Position: Can be mounted in any position.

Technical Data:

Molecular Flow Conductance: DN 16 - 2 l/s, DN 25 - 5 l/s, DN 40 - 17 l/s.
Spindle Turns per Stroke: DN 16 - 3.5, DN 25 - 5, DN 40 - 6.5.
Weight (Aluminum Body): DN 16 - 0.16 kg, DN 25 - 0.5 kg, DN 40 - 1.2 kg.

Dimensions:

Various dimensions are provided for DN 16, DN 25, and DN 40, including A, B, D, H, I, L, M, N, O, P, T, V, and Z measurements in both mm and inches.

Features:

Diaphragm made of FKM (VITON) for easy replacement.
Mechanical position indication for valve position.

Manufacturer Information: VAT Vakuumventile AG, located in Haag, Switzerland. Contact details and website are provided.

Catalog excerpts

Diaphragm valve Robust vacuum valve for venting and rough metering Body material aluminum or stainless steel Manual actuator Technical data Maximum values: depending on operating conditions and sealing materials Leak rate: body, valve seat Pressure range Cycles until first service - Valve body - Valve body: aluminum - Valve body: stainless steel - Actuator body and handwheel Mounting position Molecular flow conductance Spindle turns per stroke Weight (aluminum body) Valve position diaphragm made of FKM (VITON) visual (mechanical) Spare diaphragm See operating manual or price list

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