Viking Quick Response Concealed Pendent

Viking Quick Response Concealed PendentSprinkler Viking Quick Response Concealed Pendent dengan Respon standar dan bereaksi cepat dengan penempatan tersembunyi VK462 Sprinkler independen dan VK463  adalah penyiram termo sensitif  tabung kaca VK462, VK463  dirancang untuk instalasi sistem pipa tersembunyi dimana penampilan sprinkler tidak terlihat pada langit-langit .

Sprinkler Viking Quick Response Concealed Pendent dapat di satukan dengan adaptor berulir untuk instalasi dengan perakitan penutup low-profile yang menyediakan ukuran sampai ½ “(12,7 mm) dari penyesuaian vertikal. Desain two piece memungkinkan instalasi dan pengujian sprinkler sebelum instalasi pelat penutup. Desain perakitan pelat penutup tersembunyi mempermudah instalasi, pelat penutup dipasang setelah sistem diuji dan setelah langit-langit terpasang. Penutup dapat dilepas dan dipasang kembali, hal ini memudahkan saat anda melakukan penggantian langit langit.

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Technical Data

Specifications:
Available since 2006.
Minimum Operating Pressure: 7 psi (0.5 bar)*
maximum Working pressure: sprinkler vk463 is rated for use with water working pressures ranging from the minimum
7 psi (0.5 bar) up to 250 psi (17.2 bar) for high-pressure systems. high-pressure (hp) sprinklers can be identified by
locating “250” stamped on the deflector. sprinkler vk462 is rated to a maximum 175 psi (12 bar) wwp.
Factory tested hydrostatically to 500 psi (34.5 bar)
Thread size: 1/2” (15 mm) NPT
Nominal K-Factor: 5.6 U.S. (80.6 metric†)
Glass-bulb fluid temperature rated to -65°F (-55°C)
Patents Pending
*cULus Listing, FM Approval, and NFPA 13 installs require a minimum of 7 psi (0.5 bar). The minimum operating pressure for LPC inimum operating pressure for LPCB and CE an
Approvals ONLY is 5 psi (0.35 bar).
†Metric K-factor measurement shown is when pressure is measured in bar. When pressure is measured in kPa, divide the metric K-factor shown by 10.0.

Material Standarts

Sprinkler body: brass UNS-C84400
Deflector: Copper UNS-C19500 for Sprinkler VK462
Phosphor bronze UNS-C51000 for Sprinkler VK463
Deflector Pins: Stainless Steel Alloy
bulb: Glass, nominal 3 mm diameter
Pip Cap and Insert Assembly: Copper UNS-C11000 and Stainless Steel
UNS-S30400
button: brass UNS-C36000
Screws: 18-8 Stainless Steel
belleville Spring Sealing Assembly: Nickel Alloy, coated on both sides with Teflon Tape
Yoke: Phosphor bronze UNS-C51000
Cover Adapter: Cold Rolled Steel UNS-G10080, Finish: Clear Chromate over Zinc Plating

Listing And Approvals

Listings and Approvals Viking Quick Response Concealed Pendent cUlus listed: Category VNIV
Fm approval: Class 2015
nYc approved: MEA 89-92-E, Volume 32
vds approved: Certificate G4080021
lpcB approved: Ref. No. 096e/12
ce certified: Standard EN 12259-1, EC-certificate of conformity 0832-CPD-2032
Refer to Approval Chart 1 on page 54c and Design Criteria on page 54d for cULus Listing requirements, and refer to Approval Chart 2 and Design Criteria on page 54e for FM Approval requirements that must be followed.