Specifies requirements for handwheel or actuator-operated valves for general application including the following features: inside or outside screw stem; wedge or parallel obturator; metallic or elastomeric obturator seatings; metallic or elastomeric body seatings; ferrous metal and/or copper alloy trims; bolted bonnet connection; flanged ends. Covers valves of the nominal sizes (DN) from 40 to 1000, and applies tovalves of the nominal pressures (ISO PN) up to 50.
Дата регистрации:
01.06.85
Дата введения:
01.12.84
Код КГС:
Г18
Код ОКСТУ:
3720;3730
Код ОКС(МКС):
23.060.30
Код ОКП:
3720;3730
Нормативные ссылки:
NBN E 29-306-1988, NEQ
Ключевые слова:
CAST IRON PRODUCTS CAST-IRON DESIGNATION DESIGNATIONS DIMENSIONS FLANGED VALVES GATE VALVES MARKING MATERIALS PRODUCTS SLIDE VALVES SPECIFICATIONS VALVES CAST IRON