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Valve Tyco & Phụ kiện

  • Van bướm Tyco kiểu G-Fire (Wafer Style)

Van bướm Tyco kiểu G-Fire (Wafer Style)

Mã sản phẩm: BFV-N
Hãng sản xuất: Tyco
Xuất xứ: China
Thông tin chi tiết

General Description The Model BFV-N Wafer Style Butter-fy Valves (Ref. Figure 1) are indicat-ing type valves designed for use in fre protection systems where a visual in-dication is required as to whether the valve is open or closed. They are used, for example, as system, sectional, and pump water control valves. They are suitable for installation between ANSI Class 125 or 150 fanges without the need for fange gaskets. For applications requiring supervision of the open position of the valve, the Gear Operators for the Model BFV-N Butterfy Valves are provided with two sets of factory installed internal switches each having SPDT contacts. The supervisory switches transfer their electrical contacts when there is move-ment from the valve’s normal open po-sition during the frst two revolutions of the handwheel. Technical Data Model BFV-N Sizes: ANSI Inches / DN 2 (DN50), 2-1/2 (DN65), 3 (DN80), 4 (DN100), 5 (DN125), 6 (DN150), 8 (DN200), 10 (DN250), 12 (DN300) Approvals The 2 through 12 inch (DN50 - DN300) Model BFV-N Wafer Style Butterfy Valves are UL and C-UL Listed and FM Approved. In addition, the Model BFV-N Wafer Style Butterfy Valves are listed by the California State Fire Marshall under Listing No. 7770-1670:101. All laboratory listings and approvals are for indoor and outdoor use. Maximum Working Pressure 250 psi (17,2) bar

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