The Fire Pump Relief Valve shall be a single seated, line pressure operated, diaphragm actuated, pilot controlled globe or angle valve. The valve shall seal by means of a corrosion-resistant seat and resilient, rectangular seat disc. These and other parts shall be replaceable in the field; all such service and adjustments to be possible without removing the valve from the line. The stem of the basic valve shall be guided top and bottom by integral bushings. The basic valve and its pilot control system shall contain no packing glands or stuffing boxes. The diaphragm shall not be used as a seating surface nor shall pistons be used as an operating medium. All internal and external ferrous surfaces shall be coated with a high quality, fusion epoxy coating. The pilot control system shall include a direct-acting, normally closed, spring-loaded, diaphragm actuated pilot valve with the stem guided between the diaphragm assembly and seat disc. To ensure precise pressure relief, the appropriately rated pilot valve shall be field adjustable within the pressure control range of the spring. The Fire Pump Relief Valve shall be a WILKINS Model ZW205FP.
Compliance:
Features:
Доступно в регионах:
| Северная Америка |
|---|
Ангилья |
Антигуа и Барбуда |
Аруба |
Багамы |
Барбадос |
Белиз |
Бермуды |
Бонэйр |
Британские Виргинские острова |
Виргинские Острова |
Гаити |
Гваделупа |
Гватемала |
Гондурас |
Гренада |
Гренландия |
Доминика |
Доминиканская Республика |
Канада |
Коста-Рика |
Куба |
Кюрасао |
Мартиника |
Мексика |
Монтсеррат |
Никарагуа |
Острова Кайман |
Острова Теркс и Кайкос |
Панама |
Пуэрто-Рико |
Сальвадор |
Сен-Бартелеми |
Сен-Мартен |
Сен-Пьер и Микелон |
Сент-Винсент и Гренадины |
Сент-Китс и Невис |
Сент-Люсия |
Синт-Мартен |
Соединенные Штаты Америки |
Тринидад и Тобаго |
Ямайка |