Product Specification
Brand | Firewall Valve |
Condition | New |
Warranty | YES |
Material | Aluminum |
Product Descriptions
UL/FM Gate Valves conform to the latest version of AWWA Standard C-509 covering Resilient Seated gate Valves for Water Supply Service.OS&Y Gate Valves has the highest UL / FM water working Pressure (2.5”-16” sizes)
All models of FireWall Gate valves come in a UL listed and FM approved version.The resilient wedge, ductile iron gate valve features Class 125 flanged, flat face end connections for easy installation and accessibility. Outside screw and yoke (OS&Y) Gate valves are recommended when positive shutoff and a quick visual indicator of open/closed position is required.
FireWall ductile iron Gate valve provides full flow with minimal pressure drop. FireWall flanged, ductile iron, Gate valve is designed to be the main control valve in an automatic fire sprinkler system
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The FireWall OS&Y UL/FM Gate Valves shall have a Ductile iron body, bonnet and wedge. The wedge shall be totally encapsulated with rubber.
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The sealing rubber shall be permanently bonded to the wedge to meet ASTM tests for rubber metal bond ATSM D429.
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Valves shall be supplied with O-Ring seals at all joints. No flat gaskets shall be allowed.
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UL/FM Gate Valves shall be either non-rising or rising stem, opening by turning (left, right,) and provided with 2" square operating nut or a handwheel with the "Open" and an arrow cast in the metal to indicate the direction to open.
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Stems for NRS assemblies shall be cast bronze with integral collars in full compliance with AWWA. OS&Y (rising stems) shall be of bronze. All stems shall operate with bronze stem nuts, independent of stem (in NRS valves). Stainless steel stems or stem nuts are not allowed. NRS stems shall have 2 O-Rings located above thrust collar and one O-Ring below. All stem O-Rings shall be replaceable with valve fully opened and subjected to full pressure. The NRS stems shall also have 2 low torque thrust bearings located above and below stem collar to reduce friction during operation.
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Waterway shall be smooth, unobstructed and free of all pockets, cavities and depressions in the seat area. Valves shall accept a full size tapping cutter.
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The body, bonnet and stuffing plate shall be coated with fusion bonded epoxy, both interior and exterior on body and bonnet. Epoxy shall be applied in accordance with AWWA C550 and be NSF 61 certified. PIV plates shall be painted black.
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UL/FM Gate Valves shall have a maker's name, pressure rating, and year in which it was manufactured cast in the body. Prior to shipment from the factory, each valve shall be tested by hydrostatic pressure equal to requirements of both AWWA and UL/FM.
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Size 2-1/2" to 16"