Low Flow (SS13) Stainless Steel Foot Valve

$19.20

The Inertial Pumps (also called Foot Valves) simplicity has allowed it to be adapted to a wide variety of sizes, making it suitable for numerous applications. It will also perform well in harsh environments that would ruin other more expensive pumps. Today, it has become one of the most prolific devices for purging and sampling monitoring wells. Enviropump inertial Pumps are available in four (4) performance ranges: Standard Flow, High Flow, Low Flow and Micro Flow.

features

  • self tapping male or female threads for quick installation
  • ball contained in valve for quick sealing and fast valve reaction
  • constructed from organic resistant materials
  • inexpensive and reliable
  • suitable for well development, purging, sampling and VOC sampling

Inertial Pump Operation

Foot Valve Operation Drawing

  1. Tubing/Valve assembly is installed in well. Water level inside tubing rises to that in well.
  2. A rapid upstroke closes the foot valve and lifts the water column inside the tubing a distance equal to the stroke.
  3. At the end of the upstroke, the water column continues to rise due to its momentum. A further column of water is thus simultaneously drawn into the tube.
  4. Pushing the tubing down immediately after the upstroke forces a further column of water into the tubing due to the inertia of the water column.
  5. The cycle is repeated and water rises in pulses to discharge at the surface.

Low Flow

The Low Flow System is designed to be used in small diameter piezometers (usually 1” ID to 0.75” ID).

D-13
The Delrin D-13 uses .5-in (13mm) OD tubing. Ideal for sampling in piezometers, sampling damaged wells and custom installations. Flow Rate: 0 - .6 gallons/min (0 - 2.2 L/min). Lift Capacity: 65.5-feet (20meters).

SS-13
The Stainless Steel SS-13 is used when Delrin is unsuitable for your sampling, developing or purging processes. The Stainless Steel D-13 uses .5-in (13mm) OD tubing. Ideal for sampling in piezometers, sampling damaged wells and custom installations. Flow Rate: 0 - .6 gallons/min (0 - 2.2 L/min). Lift Capacity: 65.5-feet (20meters).

SS10
The Micro Flow System is popular for use in direct push technology micro well installations. The SS-10 with .375-in. OD (10mm) tubing works well in Micro wells, damaged wells, custom installations and direct push technology. Flow Rate: 0 - .6 gallons/min. (0 - 2.1 L/min). Lift Capacity: 46-feet (14meters).

Standard Flow

The Standard Flow System is the most popular inertial pump. This system is best suited for 2” monitoring wells and can provide lifts up to 150 feet. Flow rates can be as much as 1 gallon per minute.

D-25
The Delrin D-25 is the most commonly used Inertial Pump. The Inertial Pump is a Delrin D-25 ideal for developing, sampling and purging in 1.25-in. (31.57mm), and larger wells. Used with .625-in. (19mm) OD tubing. Flow Rate: 0 - 1.5 gallons/min. (0 - 6 L/min.) Lift Capacity: 131-feet (40-meters).

SS-19
The Stainless Steel SS-19 is used when Delrin is unsuitable for your sampling, developing or purging processes. It fits easily down 1.25-in. (31.57mm), and larger wells. It features a self-tapping female thread, durable, excellent resistance to organics, used with standard .625-in. (19mm) OD tubing. Flow Rate: 0 - 1.5 gallons/min. (0 - 6 L/min.). Lift Capacity: 131-feet (40meters).

D-16
The Delrin D-16 Inertial Pump is ideal for developing, sampling and purging in .75-in. (19.5mm), and larger wells. Used with .625-in. (25mm) OD tubing the D-16 screws inside the tubing allowing it to be used in narrower wells. Flow Rate: 0 - 1.5 gallons/min. (0 - 6 L/min.) Lift Capacity: 131-feet (40-meters).

SS-16
The Stainless Steel SS-16 is used when Delrin is unsuitable for your sampling, developing or purging processes. It fits easily down .75-in. (19.5mm), and larger wells. Used with .625-in. (25mm) OD tubing the D-16 screws inside the tubing allowing it to be used in narrower wells. Flow Rate: 0 - 1.5 gallons/min. (0 - 6 L/min.) Lift Capacity: 131-feet (40-meters).

High Flow

The High Flow System is designed to be used in 2 inch wells or larger where a high pumping rate is desired. This system is also an excellent well development tool in 2 inch piezometers.

D-32
Delrin D-32 valves with 1.25-in. (32mm) OD tubing is Ideal for: Deep well sampling, large diameter wells, Well development, and Sediment-laden wells. Features: Self tapping female thread, durable, excellent resistance to organics, excellent silt handling abilities and high flow rate. Flow Rate: 0 - 3.5 gallons/min (0 - 13 L/min). Lift Capacity: 140 feet (42meters).

SS-32
The Stainless Steel SS-32 is used when Delrin is unsuitable for your sampling, developing or purging processes. The Stainless Steel SS-32 valves with 1.25-in. (32mm) OD tubing is Ideal for: Deep well sampling, large diameter wells, Well development, and Sediment-laden wells. Features: Self tapping female thread, durable, excellent resistance to organics, excellent silt handling abilities and high flow rate. Flow Rate: 0 - 3.5 gallons/min (0 - 13 L/min). Lift Capacity: 140 feet (42meters).

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