NZS 5425.2:1996
Code of practice for CNG compressor and refuelling stations - Compressor equipment
Specifies requirements that apply to natural gas compressors designed as suitable for continuous full load duty, mechanically, electrically or hydraulically powered and intended for cylinder refilling applications, together with their control systems and essential safety equipment. Such compressors are usually, but not necessarily, multistage reciprocating compressors with cooled lubricated cylinders of either trunk type or crosshead design.
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
© COPYRIGHT
CONTENTS
RELATED DOCUMENTS
FOREWORD
1 SCOPE
2 DEFINITIONS
3 GAS SUPPLY REQUIREMENTS
3.3 Gas quality
4 ELECTRICAL REQUIREMENTS
4.1 Electricity supply
4.2 Area delineation
4.3 Access requirements
4.4 Isolation
5 INSTALLATION
5.1 Foundations
5.2 Pipework
5.3 Ventilation
6 ANCILLARY EQUIPMENT
7 FEATURES SPECIFICALLY REQUIRED
8 INSTRUMENTATION AND CONTROL SYSTEM
8.9 Bypassing of switches
9 AIR INGRESS PREVENTION
10 SAFETY REQUIREMENTS
10.9 Relief valves
10.10 Vent lines
10.11 Drive belts
11 SAFETY NOTICES
12 TESTING AND COMMISSIONING
13 OPERATION
14 MAINTENANCE
15 MARKING AND INSTRUCTIONS
Figure 1 – Typical arrangement sketch
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References
Specification for reticulated natural gas
Related Information
Gas (Safety And Measurement) Regulations 2010
Ministry: WorkSafe New Zealand: Energy Safety
Section: Schedule 1
Citation context:NZS 5425.2 is the New Zealand Standard known as NZS 5425.2:1996 (Code of practice for CNG compressor and refuelling stations - compressor equipment)
New Zealand Gas Code Of Practice For Maintenance And Safety Of Cng Refuelling Stations
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: 1
Citation context:NZS 5425 Code of Practice for CNG compressor and refuelling stations Part 2 Compressor equipment is a referenced document
New Zealand Gas Code Of Practice For Maintenance And Safety Of Cng Refuelling Stations
Ministry: Ministry of Business Innovation and Employment - Records & Library Services
Section: Foreword
Citation context:(This code) should be read in conjunction with the NZS 5425 series of codes.
Gas (Safety And Measurement) Regulations 2010
Ministry: WorkSafe New Zealand: Energy Safety
Section: 78(4)
Citation context:Particular requirements for CNG stations... ...(4) Compliance with NZS 5425.2 is deemed to be compliance with this regulation in relation to a CNG compressor.
Gas Regulations 1993 (Revoked)
Ministry: Ministry of Economic Development
Section: 18(4)
Citation context:If a CNG compressor complies with Part 2 of NZS 5425, it is deemed to be safe in all reasonably foreseeable circumstances.
Gas Regulations 1993 (Revoked)
Ministry: Ministry of Economic Development
Section: 2(2A)
Citation context:'Part 2 of NZS 5425' means Part 2 of the New Zealand Standard known as NZS 5425:1996 (Code of practice for CNG compressor and refuelling stations)
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COMMITTEE REPRESENTATION
ACKNOWLEDGEMENT
© COPYRIGHT
CONTENTS
RELATED DOCUMENTS
FOREWORD
1 SCOPE
2 DEFINITIONS
3 GAS SUPPLY REQUIREMENTS
3.3 Gas quality
4 ELECTRICAL REQUIREMENTS
4.1 Electricity supply
4.2 Area delineation
4.3 Access requirements
4.4 Isolation
5 INSTALLATION
5.1 Foundations
5.2 Pipework
5.3 Ventilation
6 ANCILLARY EQUIPMENT
7 FEATURES SPECIFICALLY REQUIRED
8 INSTRUMENTATION AND CONTROL SYSTEM
8.9 Bypassing of switches
9 AIR INGRESS PREVENTION
10 SAFETY REQUIREMENTS
10.9 Relief valves
10.10 Vent lines
10.11 Drive belts
11 SAFETY NOTICES
12 TESTING AND COMMISSIONING
13 OPERATION
14 MAINTENANCE
15 MARKING AND INSTRUCTIONS
Figure 1 – Typical arrangement sketch
STANDARDS COUNCIL APPROVAL
Previous versions
NZS 5425.2:1996
Online Library subscription information
Online library subscriptions provide a cost-effective solution for organisations of any size to access the latest standards, offering 24/7 access to a personalised catalogue. The service ensures subscribers have have the most up-to-date version of selected standards, incluing automatic updates for any amendments or versions. Pricing is dependent on the chosen standards and the number of concurrent users, with discounts applied from the standards PDF price. For customised subscriptions or further inquiries, contact the Online Library team.