Flowserve Limitorque MX Manuals

Flowserve Limitorque MX Manuals

Manuals and User Guides for Flowserve Limitorque MX. We have 1 Flowserve Limitorque MX manual available for free PDF download: Safety Manual

Flowserve Limitorque MX Safety Manual

Flowserve Limitorque MX Safety Manual (44 pages)

Electronic Actuator

Brand: Flowserve | Category: Controller | Size: 4 MB

Table of Contents

Table of Contents
2
1 Scope

5
- Table 1.1 - Available Functional Options
  5
  - System Overview
    6
  - Figure 1.1 - Mxa Electronic Actuator
    6
2 Safety Integrity Level [SIL]

7
- Failure Rates/Failure Modes
  7
- Mission Time (Tmission)
  7
- Partial Stroke Test Period
  7
- Proof Test Period (Tpt)
  8
- Fit
  8
- Mean Time to Restoration (MTTR)
  8
- Sff
  8
- PFD Avg
  8
- Rrf
  8
- SIL Vs. PFD Avg Vs. RFF
  8
- Table 2.1 - SIL Vs PFD
  8
3 Safety Requirements

9
4 Design for Safety

11
- Figure 4.1 - Safety Block Diagram - Basic ESD and PST
  11
  - Limigard
    12
  - Optional Safety Add-Ons
    12
    
    Fire Protection
    12
    
    Safety Critical User Wiring
    13
    
    Figure 4.2 - Safety Block Diagram - Enhanced User Writing
    13
5 Limitorque Mxa Safety Functions

14
6 Mxa Safety

16
7 Partial Stroke Testing [PST]

18
8 Safety Instrumental System (SIS) Assessment

23
9 Commissioning

24
10 Emergency Shutdown (ESD)

29
11 ESD (Emergency Shutdown) Overrides

31
- ESD Override Setup Procedure
  31
  - Inhibit Override
    31
  - Figure 11.1 - Configuring SIF (ESD) Priority
    31
  - Local Command Override
    32
  - Stop Override
    32
  - Jammed Valve Override
    32
  - Lost Phase Override
    32
  - Over-Torque Override
    32
  - Motor Thermostat Override
    32
  - Figure 11.2 - Configuring SIF (ESD)
    33
12 Failure Analysis

34
- Table 12.1 - Expected Operation for Various Input Signal Combinations
  34
13 Instructions, Operation and Maintenance [IOM]

35
- Normal Operation
  35
- Safety Operation and Maintenance
  35
- Estimated Repair Times
  35
14 Revision History

36
15 Regulatory Information

37

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