Standard Bellows Metering Pumps 180 Hines Ave. • Bellville, OH 44813 • PH: 419-886-3001 • FAX: 419-886-2338 • www.GRIpumps.com GRI Standard Bellows Pump

Standard Bellows Metering Pumps Overview Bellows metering pumps operate on a positive displacement principle. Pumps are designed to displace both corrosive and noncorrosive fluids. Accurate to ± 0.5% from stroke to stroke, when pump is set 50% to 100% of full stroke. Discharge pressure is maintained over the entire flow range of the pump. Poppet valves are used to prevent back flow; and springs are available to provide a positive shutoff, preventing siphoning through the pump in applications where a positive suction head exists. Features: • Repeatability from stroke-to-stroke to ± 0.5% • Dry...

Flow Rate and Discharge Pressure The flow rate of each bellows module is regulated by three factors: 1. Diameter of the bellows, 2. Speed of the gear motor, 3. Adjustment of the module stroke length. Bellows are available in several different diameters. The full stroke displacement and discharge pressure of the pump is dependent on the size of the bellows as shown below: /2” Full Stroke Displacement in ml Maximum Discharge Pressure (psi) Flow Adjustment: The flow rate of all bellows pumps can be adjusted by modifying the length of the discharge stroke. Adjustments can be made down to 10% of full...

Pump Specifications: Flow Rates — Range from 3.9 ml/min to 3000 ml/min, depending on pump configuration, gearmotor speed and stroke length. Discharge Pressures — Range from 5 to 50 psi depending on bellows size. Max Fluid Temperature — 140°F (60°C) Note: Reduce pressure rating by 50% for fluid temperatures over 120°F (49°C). Viscosity/Slurries — Maximum fluid viscosity is 5,000 centistokes. Poppet valves can handle fine slurries. Duckbill valves are recommended for heavy slurries or fibrous materials. Heavy slurries should be flushed from the pump before shutdown. MAXIMUM DRY AND WET PRIMING...

Single Bellows Pumps Standard & BEL O JUST Models Order notes: When ordering a single bellows model, add one “X” code for valve and O-ring material selection and one MODEL SPECIFICATIONS “T” code for connector selection from the Bellows Part Selection Guide on page Discharge16. Maximum Flow Gallons (Liters) Standard Single BEL O JUST Max. Electrical Approx. Bellows Strokes per minute ml per minute per hour Number Model Number Pressure RPM) per module module Example: 13300-007 (1” bellows model) withModel EPT/EPDM poppet valves and(Motor O-rings and elbow perconnectors for Amps* 3⁄8” Wt. Hz 240V/60...

Typical Dimensions Single Bellows Pumps Standard & BEL O JUST Models .44 (11.18) BEL-O-JUST MODEL ONLY 2 1⁄2 " Model .44 (11.18) BEL-O-JUST MODEL ONLY .44 (11.18) BEL-O-JUST MODEL ONLY FLOW Dimensions in Inches (Dimensions in Millimeters) 180 Hines Ave. • Bellville, OH 44813 • PH: 419-886-3001 • FAX: 419-886-2338 • www.GRIpumps.com GRI Standard Bellows Pumps Overview 0119

Two Tandem Bellows Pumps Standard & BEL O JUST Models Two tandem bellows pumps feature modular design for proportioning separate liquids. The flow rate of each bellows module is independently adjustable. Bellows modules are assembled out-of-phase for most efficient power usage. Total output of pump is limited to 3,000 ml/min. BEL O JUST® TWO TANDEM MODEL Order notes: When ordering a two tandem bellows model, add one “X” code for valve and O-ring material selection and one “T” code for connector selection from the Bellows Part Selection Guide on page 16. Example: 13726-014 (1½” x 1½” two tandem...

Typical Dimensions Two Tandem Bellows Pumps Standard & BEL O JUST Models Dimensions in Inches (Dimensions in Millimeters) 180 Hines Ave. • Bellville, OH 44813 • PH: 419-886-3001 • FAX: 419-886-2338 • www.GRIpumps.com GRI Standard Bellows Pumps Overview 0119

Three Tandem Bellows Pumps Standard & BEL O JUST Models Three tandem bellows pumps feature modular design for proportioning separate liquids. The flow rate of each bellows module is independently adjustable. Bellows modules are assembled out-of-phase for most efficient power usage. Total output of pump is limited to 3,000 ml/min. BEL O JUST® THREE TANDEM MODEL Order notes: When ordering a three tandem bellows model, add one “X” code for valve and O-ring material selection and one “T” code for connector selection from the Bellows Part Selection Guide on page 16. Example: 13700-011 (1” x 1” x 1”...

Typical Dimensions Three Tandem Bellows Pumps Standard & BEL O JUST Models Dimensions in Inches (Dimensions in Millimeters) 180 Hines Ave. • Bellville, OH 44813 • PH: 419-886-3001 • FAX: 419-886-2338 • www.GRIpumps.com GRI Standard Bellows Pumps Overview 0119

Single Stroke Dispensing Bellows Pumps Actuation of the single stroke dispensing pump is triggered by a switch. The crank makes one revolution before a microswitch interrupts the power circuit. Flow rates can be adjusted. Gearmotors on dispensing pump are rated for intermittent duty cycles. 2 1/2” SINGLE STROKE MODEL Order notes: When ordering a single stroke model, add one “X” code for valve and O-ring material selection and one “T” code for connector selection from the Bellows Part Selection Guide on page 16. Example: 12800-007 (2½” bellows model) with EPT/EPDM poppet valves and O-rings and...

Typical Dimensions Single Stroke Dispensing Bellows Pumps 1 1⁄2 " Model DIMENSIONS Pump Model Dimensions in Inches (Dimensions in Millimeters) 180 Hines Ave. • Bellville, OH 44813 • PH: 419-886-3001 • FAX: 419-886-2338 • www.GRIpumps.com GRI Standard Bellows Pumps Overview 0119

Heavy Duty Bellows Pumps The heavy-duty models are specially designed for use in dusty environments or for those applications requiring extremely long life. The pump is supplied with a totally enclosed gearmotor with an expected life of over 10,000 hours. The standard crank mechanism is used on heavy-duty pumps. The heavy-duty pump is recommended for 24 hour/ day continuous duty applications. 2 1/2” HEAVY DUTY MODEL Order notes: When ordering a heavy-duty model, add one “X” code for valve and O-ring material selection and one “T” code for connector selection from the Bellows Part Selection Guide...