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Tank protection Valves

SI2 safety valves

A full-lift spring-loaded safety valve, TÜV approved. Protects tanks against excessive pressure.

DN 25–100 range
TÜV approval
Ra ≤ 0.8 µm surface finish
SI2 safety valves REF · SAFETY
FIG. 01 — Safety APV
01 Overview

Tanks always within limits

SI2 prevents the allowable pressure from being exceeded by more than 10%. It closes when pressure falls by max. 10% (gases) or 20% (liquids).

  • For liquids and gases.
  • Beverages, food, pharma.
02 Benefits

Why SI2 safety valves

Hygienic

Ideal for CIP, product-contact parts Ra ≤ 0.8 µm.

Pneumatic or manual

Optional seat lifting with proximity switches.

Quick seal change

Simple servicing.

Full identification

The nameplate identifies each valve unambiguously.

03 Technical data

Specifications

Limits for the whole range. Exact figures for a specific unit are given in the selection sheet.

Sizes DN 25 – DN 100
Material AISI 316L / 1.4404
Approval TÜV
Media liquids and gases
Operation manual or pneumatic seat lifting
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