User Manuals: PERSTA DVA 204 BZ Pressure Globe Valve

Manuals and User Guides for PERSTA DVA 204 BZ Pressure Globe Valve. We have 1 PERSTA DVA 204 BZ Pressure Globe Valve manual available for free PDF download: Operating Instructions Manual

PERSTA DVA 204 BZ Operating Instructions Manual

PERSTA DVA 204 BZ Operating Instructions Manual (97 pages)

High pressure globe valve

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
13
Residual Risks
14
Basic Dangers at the Workplace
14
Electric Shock Hazard
15
Danger Due to Hydraulics
15
Hazards Associated with the Pneumatic System
16
Mechanical Hazards
16
Thermal Dangers
17
Dangers Due to Hazardous Substances and Operating Materials
17
Behaviour in the Event of an Emergency
20
Responsibility of the Operating Company
20
Personnel Requirements
21
Personal Protective Equipment
24
Spare Parts
25
Environmental Protection
26
Functional Description
27
Mode of Operation of the High Pressure Globe Valve
27
Seal to the Outside
28
Versions of the High Pressure Globe Valve
29
Shut-Off Element Variants
29
Actuator Variants
30
Body Shape
32
Display Elements
32
Connections
32
Transport and Storage
35
Safety Notices for Transport and Storage
35
Transport of Packages
36
Storage of the Valve
37
Storage of Spare Parts
37
Installation
39
Safety Notices for Installation
39
Before the Installation
41
Installing the Valve
41
For Electric Actuators, Connect the Power Supply
42
For a Hydraulic Actuator, Connecting the Hydraulic System
43
For a Pneumatic Actuator, Connecting the Pneumatic System
43
After the Installation
44
Pickling the Valve
45
Painting the Valve
45
Executing the System Pressure Test and Leak Test
45
Applying Thermal Insulation
46
Commissioning
47
Safety Notices for Commissioning
47
Prior to Commissioning
50
Executing the Commissioning Process
51
Operation
53
Safety Instructions for Operation
53
Operating the Valve
55
Valve with Manual Actuator (Handwheel)
55
Valve with Electric Actuator
55
Valve with Hydraulic or Pneumatic Actuator
56
Operating the Valve in an Emergency
57
Valve with Manual Actuator (Handwheel)
57
Valve with Electric Actuator
58
Valve with Hydraulic or Pneumatic Actuator
58
Maintenance
59
Safety Instructions for Maintenance
59
Maintenance Schedule
65
Maintenance Tasks
66
Visually Checking the Valve
66
Lubricating Moving Parts (Stem Thread)
66
Replacing the Gland Packing
68
Replacing the Gasket of the Pressure Sealing Bonnet
75
Dismounting and Checking the Stem
80
After Maintenance
81
Faults and Fault Correction
83
Safety Notices for Fault Correction
83
Fault Table
86
Dismantling, Disposal
89
Safety Notice for Dismantling and Disposal
89
Dismantling
92
Disposal
93
Index
95

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