ISO 7259:1988 PDF
Predominantly key-operated cast iron gate valves for underground use
Title (English):
ISO 7259:1988
Predominantly key-operated cast iron gate valves for underground use
- Document status:
- Withdrawn
- Format:
- Electronic (PDF)
- Number of pages:
- 10
- Publication date:
- December 29, 1988
- Edition:
- ISO IS 7259 edition 1 version 1
- ICS:
- 23.060.30
Description (English):
Specifies requirements for two types of predominantly key-operated valves for underground use with flanges or spigot ends or socket ends. The two types shall be specified as type A or type B and shall include the following features: inside screw stem; wedge or parallel obturator; metallic or elastomeric obturator seatings; metallic or elastomeric body seatings; ferrous metal and/or copper alloy trims; T-key operation; ring key and bar operation. Type A valves are for T-key operation; type B valves are for ring key and bar operation.
Technical details
- Technical committee
- ISO/TC 153 - Valves
- SKU
- ISO 7259:1988
