B&K 109-813 Brass Stock Tank Float Valve, 1/2MPT

B&K 109-813 Brass Stock Tank Float Valve, 1/2MPT

The B&K 109-813 Stock Tank Float Valve is a heavy-duty bronze float valve designed for automatic water-level control in livestock tanks, troughs, and other open-tank applications. Its rugged construction features an all-bronze body, high-tensile manganese bronze arm, and stainless steel pivot bolt assembly for dependable service in demanding farm environments. A serrated arm allows quick water-level adjustment, while the no-jam single-lever action and free-discharge design provide reliable, high-flow operation.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model / Part Number: 109-813
• Valve Model: R400-1/2
• Brand: B&K
• Product Type: Stock tank float valve
• Nominal Size: 1/2"
• Connection Size: 1/2" MIP
• Connection Type: Male Iron Pipe (MIP)
• Body Material: Bronze
• Arm Material: High-tensile manganese bronze
• Pressure Rating: Up to 125 psi
• Rod Thread: 1/4"-20
• Inlet Design: Features two tapered threads for pipe connection and a straight thread for the locknut
• Mounting Flange: Machined flange provides support against the tank wall
• Water-Level Adjustment: Serrated arm allows quick and easy adjustment of the water level
• Valve Action: No-jam, single-lever operation
• Pivot Assembly: Stainless steel pivot bolt assembly
• Freeze Protection: Pivot assembly design helps reduce breakage during freezing conditions
• Seals: Replaceable seals for serviceability and extended valve life
• Flow Design: Free-discharge flow capacity
• Flow Rate at 35 psi: Approximately 12 GPM
• Flow Rate at 85 psi: Approximately 22 GPM
• Includes: Locknut and washer
• Float Compatibility: Designed for use with a compatible 1/4"-20 float rod and float ball
• Construction: Rugged metal components provide durability for agricultural and livestock watering applications

Ideal For

• Livestock stock tanks and water troughs
• Maintaining an automatic, consistent water level
• Cattle, horse, sheep, and goat watering systems
• Farm and ranch water systems requiring high-flow tank filling
• Replacing worn or damaged stock tank float valves
• Installations requiring an adjustable, serviceable bronze float valve