Flomatic's Deep Well check valve designed to lower friction loss
Flomatic has released its Heavy Duty Deep Well Check Valve Model 80MDW-VFD for use with variable-frequency drive (VFD) controlled submersible pumps or other conventional pumps.
The check valve is designed for well-water use to support the weight of up to 3,300 feet of pipe and the well pump. The small OD valve body is constructed from strong carbon steel, similar in strength to API J55 tubing, and features two options: either a male inlet and a female outlet body with eight round EU (external-upset) tubing threads 2-3/8 inches through 4-1/2 inches; or eight round male short casing threads and female long casing threads 4½ inches through 9-5/8 inches.
In addition, a corrosion-resistant, stainless steel spring and stem, combined with Fusion bonded epoxy coating inside and out allow for a longer service life. Model 80MDW-VFD comes standard with a 3/4-inch break-off plug for easy servicing.
Model 80MDW-VFD features Flomatic’s spring-loaded metal to metal valve seat, which is designed to provide low friction losses, prevent backflow and minimize hydraulic shocks in the system.
Available in stock in 12 different sizes (2-3/8 inches through 9-5/8 inches); the 80MDW-VFD is ideal for deep set pump applications and heavy hanging loads. Some sizes are also available in an all-316 stainless steel assembly.
The valves have a maximum temperature of 93 C (200 F) and a maximum pressure of 4,400 psi. They are hydro tested to ensure a drip-tight seal at 4,500 psi.
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