QF-1000 FLEXIBLE SPRINKLER CONNECTOR

Fig No.: QF-1000 / QF-1000E

FEATURES & SPECIFICATIONS
QF-1000 : Braided hose.
QF-1000E : Braided hose with elbow nipple (only FM approved).
Anchoring components are intended for use with drop ceiling conforming to ASTM C635 and other major roof ceiling grid systems.
Standard practice for installation on metal ceiling suspension.
Applicable for acoustical tiles and lay-in panels, ASTM C636 or other equivalent standards.
Designed for use in wet and dry systems.
Working pressure : 200psi.
Burst pressure : 875psi.
Max. ambient temperature : 150°F / 66°C.
Connection : DN25 x DN15 (1″ x ½”) / DN25 x DN20 (1″ x ¾”), NPT or BSPT.
Hose diameter : O.D. 26.8mm (1-1/16″), Flow diameter 21.0mm (13/16″).

UL Listed, FM Approved

Materials

No Qty Name Material
1 1 Corrugated Hose AISI 304 Stainless Steel
2 2 Sealing O-ring EPDM
3 2 Isolation Ring Nylon 66
4 2 Slip Nut Carbon Steel ASTM 1020#, Zinc-plated
5 1 Discharge Nipples Carbon Steel ASTM 1020#, Zinc-plated
6 1 Inlet Nipples Carbon Steel ASTM 1020#, Zinc-plated
7 1 Center Brackets Carbon Steel ASTM A283M, Zinc-plated
8 2 Side Brackets Carbon Steel ASTM A283M, Zinc-plated
9 1 Square Bar Carbon Steel ASTM A283M, Zinc-plated
10 1 Set Hexagon Screws
(Options for wing screws)
Carbon Steel ASTM A283M, Zinc-plated

 

Technical Data

Assembly Instructions

A. Connect Inlet Nipple
Use pipe wrench to screw the Inlet Nipple into the branch outlet interface on water supply pipeline, use pipe sealant (Teflon tape or pipe glue etc.) to seal and apply tightening torque of approx. 50N·m/35ft-lbs. Then tighten the Hexagon Slip Nut with 15N·m/10ft-lbs to ensure sealing performance.

B. Fix bracket set
Attach side brackets to the main-rail of the T-bar grid and cross the square bar through 2 side brackets, with the center bracket in the middle. Tighten all fixing bolt on the side brackets with 4N·m/3ft-lbs.

C. Bending & Locating
Bend the Flexible Hose body as desired (According the parameters on Specification sheet) and locate the Discharge Nipple into the center bracket. Tighten the bolts on center bracket with 4N·m/3ft-lbs after the proper location of spring kier head has been found.

D. Connect Discharge Nipple
Tighten the Slip Nuts with 15N·m/10 ft-lbs and install sprinkler head to Discharge Nipple by following the sprinkler manufacture’s installation instructions. Finally test leak in according with NFPA guidelines.

Bending

Related products

Submit An Inquiry

As a direct manufacturer, we have dedicated measurement, installation, and production teams to ensure a perfect fit every time.

Our representatives will contact you shortly to confirm your appointment date and time. Thank you for your interest!