ISO 7259:1988 PDF
Predominantly key-operated cast iron gate valves for underground use
Название (английский):
ISO 7259:1988
Predominantly key-operated cast iron gate valves for underground use
- Статус документа:
- Отменён
- Формат:
- Электронный (PDF)
- Количество страниц:
- 10
- Дата публикации:
- 29 декабря 1988 г.
- Издание:
- ISO IS 7259 edition 1 version 1
- ICS:
- 23.060.30
Описание (английский):
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.
Технические детали
- Технический комитет
- ISO/TC 153 - Valves
- SKU
- ISO 7259:1988