BIFFI ALGAS - User Manual

Installation, Operation and Maintenance Manual
MAN 604A Rev. 5
June 2020
Bif ALGAS
Spring-Return Pneumatic Actuator
Copyright © Bif. The information in this document is subject to change without notice. Updated data sheets can be obtained from our website www.bif.it or from your nearest Bif Center:
Bif Italia s.r.l. - Strada Bif 165, 29017 Fiorenzuola d'Arda (PC) – Italy PH: +39 0523 944 411 – bif_italia@bif.it

BIFFI ALGAS Specifications

General

Brand	BIFFI
Model	ALGAS
Category	Controller
Language	English

Summary

General Warnings

Description of the Actuator

Overview of the ALGAS pneumatic spring-return actuator and its function.

Installation

Assembling the Actuator onto the Valve

Instructions for mounting the actuator onto the valve, including flange types.

Types of Assembly

Details different types of actuator-to-valve assembly configurations.

Valve Stem with Vertical Axis

Procedure for installing the actuator with a vertical valve stem.

Valve Stem with Horizontal Axis

Procedure for installing the actuator with a horizontal valve stem.

Operation and Use

Setting of the Angular Stroke

Adjusting mechanical stops to define actuator stroke limits.

Travel Stop Screw Screwed on the End Flange of Pneumatic Cylinder

Stop Screw Screwed on the End Flange of Spring Container

Calibration of Operating Time

Preparation for Start-up

Start-up

Steps to follow during the initial start-up of the actuator.

Operational Tests and Inspections

Operational Tests and Inspections

Maintenance

Routine Maintenance

Extraordinary Maintenance

Procedures for maintenance requiring disassembly or part replacement.

Replacement of Cylinder Seals

Lubrication of Mechanism

Troubleshooting

Failure or Breakdown Research

Table of common events, their possible causes, and remedies.