Đầu Phun Khô VK504

Nhà sản xuất: Viking

Mã sản phẩm: VK504

Mã VK504,
✔️ Kiểu Phản Ứng Nhanh, Kiểu Quay Xuống,
✔️ Hệ Số K16.8, Xuất Xứ Mỹ,
✔️Bảo hành Dài Hạn, Liên hệ 0917911114 báo giá đầu phun VK100, Vk102, Vk104, VK356

Thông tin sản phẩm

- Quick Response (Viking (ESFR) VK504 ) Dry Nozzles , quick-response element type water spray designed for use in freezing-only storage areas and supplied a wet, indoor system adjacent hot zone.

Đầu Phun Khô VK504

Đầu-Phun-Khô-VK504

- With a K-Factor of 16.8 (242 meters) and a special deflector, this sprinkler produces large, high-momentum water droplets in a hemispherical pattern below the deflector. This allows fire penetration and direct wetting of the burning fuel surface while cooling the atmosphere early in high challenge flame development. The dry ESFR nozzle includes a flammable element type ESFR nozzle permanently protected for the special supply nozzle.

The VK504 Dry Nozzle is designed with a sprinkler unit that has a sealed, slotted or slotted copper inlet. Included with the ESFR dry spray nozzle are two insulated starter assemblies (optional) to help seal the clearance space around the dry sprinkler barrel. Dry sprinkler starter that slows down air exchange between the inside and outside of the freezer (or any dry nozzle installation) to help reduce condensation and moisture and heat differences degree in the area around the nozzle. Condensation can lead to ice build-up, which can inhibit sprinkler operation or cause premature operation.

For included insulated starter assemblies (optional). Insulated starter assemblies (optional) must be installed on smooth, flat, hard and clean surfaces. There are specific situations such as the presence of ceiling panels, or temperature and ventilation differences where alternative penetration sealing methods can be used. The sprinkler in the rack is optional.

The VK504 Dry Spray Head must be located according to the latest NFPA 13 recognized design criteria and storage installation rules. The Pced VK504 dry ESFR sprinkler offers protection for most common storage materials, Arrange for storage of framed racks of I, II, III and IV goods, and unpacked plastic up to 35ft. (10.7m) storage with 40ft. (12.0m) ceiling height no nozzle on the shelf.

Technical Data Dry Nozzle VK504

- Pipe diameter: 1-11/16, (43.86 mm)

- Minimum operating pressure: Refer to NFPA 13 or FM 8-9 Loss Prevention Data Sheet.

- Maximum working pressure: 175 psi (12 bar).

- Factory hydrostatically tested to 500 psi (34.5 bar).

- K-factor : 16.8 US (242 meters )

- K-factor measurement The display coefficient is when the pressure is measured with a bar. When the pressure is measured in kPa, divide the K-factor by the coefficient shown by 10.0.Deflector

- Diameter: 1-3/4, (44.5 mm)

- Overall length: Threaded: 18-1/2 Burner (470 mm), 24-1/2 Thread (622 mm), 30-1/2 Crazy (775 mm), 36-1/2 Crazy (927) mm) Groove: 19-1 / 2" (495 mm), 25-1/2" (648 mm ), 31-1/2, (800 mm), 37-1/2, (953 mm)

- Covered by one or more of the following patents: US7,766,252; US$5,829,532; US$10,059,044; United States 6,336,509; US$6,502,643; US$6,868,917; US9,522,292 Insulated starter assembly (2 e): The starter kit consists of a rubber foam seal covered with a two-piece ring that secures to the ceiling or deck with four screws.

- Inner diameter: 6 steel (152 mm) Depth: 1 thing (25 mm)

Installation instructions for Dry Nozzle VK504

Đầu Phun Khô VK504

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