PERSTA GJ Manuals

Manuals and User Guides for PERSTA GJ. We have 1 PERSTA GJ manual available for free PDF download: Operating Instructions Manual

PERSTA GJ Operating Instructions Manual

PERSTA GJ Operating Instructions Manual (93 pages)

Gate valves

Brand: PERSTA | Category: Control Unit | Size: 3 MB

Table of Contents

Table of Contents
5
Overview
7
Safety
9
Symbols in this Manual
9
Intended Use
11
Safety Signs
12
Safety Devices
14
Residual Risks
17
Basic Dangers at the Workplace
17
Hazards Due to Electric Current (in Versions with Electric Actuator)
18
Hazards Due to Hydraulics (in Versions with Hydraulic Actuator)
18
Hazards Due to the Pneumatic System (in Versions with Pneumatic Actuator)
19
Mechanical Hazards
19
Thermal Dangers
20
Dangers Due to Hazardous Substances and Operating Materials
20
Behaviour in the Event of an Emergency
22
Personnel Requirements
23
Responsibility of the Operating Company
25
Personal Protective Equipment
26
Spare Parts
28
Environmental Protection
29
Functional Description
31
Operating Principle of the Gate Valve
31
External Seal
32
Versions of the Gate Valve
34
Shut-Off Element
34
Actuator Variants
34
Display Elements
38
Connections
39
Transport and Storage
41
Safety Instructions for Transport and Storage
41
Transport of Packages
42
Storage of the Valve
43
Storage of Spare Parts
43
Installation
45
Safety Instructions for Installation
45
Before the Installation
47
Installing the Valve
48
Attaching Additional Safety Devices
48
For Electric Actuator: Connecting the Power Supply
49
For Hydraulic Actuator: Connecting the Hydraulic System
49
For Pneumatic Actuator: Connecting the Pneumatic System
50
After the Installation
50
Pickling the Valve
51
Painting the Valve
51
Performing a System Pressure Test and Leak Test
52
Applying Thermal Insulation
52
Commissioning
55
Safety Instructions for Commissioning
55
Prior to Commissioning
58
Carrying out the Commissioning Process
59
Operation
61
Safety Instructions for Operation
61
Operating the Valve
63
Valve with Manual Actuator (Handwheel)
63
Valve with Electric Actuator
63
Valve with Hydraulic or Pneumatic Actuator
64
Operating the Valve in an Emergency
65
Valve with Manual Actuator (Handwheel)
65
Valve with Electric Actuator
66
Valve with Hydraulic or Pneumatic Actuator
66
Maintenance
67
Safety Instructions for Maintenance
67
Maintenance Schedule
71
Maintenance Tasks
72
Visually Checking the Valve
72
Replacing the Gland Packing and Cover Gasket
73
Lubricating Moving Parts (Stem Thread)
78
Faults and Troubleshooting
79
Safety Instructions for Fault Correction
79
Fault Table
82
Dismantling, Disposal
85
Safety Instructions for Dismantling
85
Dismantling
88
Disposal
89
Index
91

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