Key facts
- Manuals
- 2
- Languages
- EN
- Last added
- 2026-10-03
Featured InterApp manuals

InterApp Various Models Butterfly Valve Preservation and Long Term Storage Procedure
The Preservation and Long Term Storage Procedure provides detailed instructions for protecting butterfly valves before installation. It covers general storage principles, handling precautions, and specific guidance for pneumatic and manual actuators.
Key points include storing the valve with the disc slightly opened, regularly operating valves that remain closed, and inspecting or replacing seals on pneumatic actuators after extended storage. The document also references related installation and maintenance guides for complete valve preparation.
Covers: General rules · Pneumatic connections · Handling · Storage of the butterfly valves · Installation of valves in the piping · Manual actuators
Latest InterApp manuals
InterApp Various Models Butterfly Valve Preservation and Long Term Storage Procedure
Service Manual 2 pages · 384 KB · ENThis InterApp guide explains how to preserve and store butterfly valves for long periods, covering storage rules, handling, and actuator maintenance.
INTERAPP DESPONIA D1/D3/D4 technology data
This document is the DESPONIA butterfly valve product manual, which introduces the features and characteristics of the product, including product structure, nominal pressure, temperature range, tightness test and other information.
Which document do I need?
Service Manual
Disassembly, diagnostics and part numbers, for repair.
Questions answered in InterApp manuals
How often should valves be operated if they remain closed during storage?
If the valve cannot be kept slightly opened, it should be operated at least every 15 days to prevent sticking.
From: InterApp Various Models Butterfly Valve Preservation and Long Term Storage Procedure
