• Graco D32337 Husky 307 Series AODD Pump

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GRACO

D32337

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Graco D32337 Husky 307 Series Air Operated Double Diaphragm Pump, Model 307P-PP01AP3SSSSBNPT. 3/8" NPTF Connections, 7.5 GPM Maximum Flow. Polypropylene Fluid Section, Polypropylene Center Section, Polypropylene Fluid Cover, Polypropylene Air Valve / 316SS Seats / PTFE O-Rings, 316SS Balls, Buna-N Diaphragms.

$806.00

Ships within 1 business day (in-stock items). Delivery typically 1–5 business days.

Item: D32337 | Model #: 307P-PP01AP3SSSSBNPT

D32337

Graco D32337 Husky 307 Series Air Operated Double Diaphragm Pump, Model 307P-PP01AP3SSSSBNPT. 3/8" NPTF Connections, 7.5 GPM Maximum Flow. Polypropylene Fluid Section, Polypropylene Center Section, Polypropylene Fluid Cover, Polypropylene Air Valve / 316SS Seats / PTFE O-Rings, 316SS Balls, Buna-N Diaphragms.

Air Consumption30 scfm
Air Exhaust3/8" NPTF
Air Inlet1/4" NPTF
Air Supply Pressure20 - 100psi
Center SectionPolypropylene
Connection TypeNPTF
DiaphragmBuna-N
Discharge NPT (Inches)3/8"
Fluid Cover MatlPolypropylene
Max Cycles Per Minute330
Maximum Flow (GPM)7.5 GPM
Maximum Operating Temperature40° to 140° F
Maximum Working Pressure (PSIG)100psi
Max Suction Lift12' (Dry)/21' (Wet)
Model Number307P-PP01AP3SSSSBNPT
MotorPolypropylene
OptionsStandard
Part TypeHusky AODD Pump
Quick SpecsHUSKY PUMP,307P-PP01AP3SSSSBNPT
Suction NPT (Inches)3/8"
UPC633955678095
Valve Balls316SS
Valve / Seat / O-RingPolypropylene Air Valve / 316SS Seats / PTFE O-Rings
Valve TypeBall Check Valve
Wetted PartsPolypropylene

Husky 307 Air Operated Double Diaphragm Pumps Information

Husky 307 Air‑Operated Diaphragm Pump

Overview

The Husky 307 is a 3/8‑inch air‑operated double diaphragm pump designed for small‑to‑mid‑volume transfer of chemicals, coatings, solvents, and process fluids. Its stall‑free, low‑pulsation air valve provides smooth, rapid changeover, improving flow stability and reducing vibration in downstream equipment. The 307’s compact footprint and re‑orientable manifolds make it easy to integrate into OEM skids, spray systems, and tight installations.

Performance

The 307 delivers up to 6.5 gpm (24.6 lpm) at a maximum working pressure of 100 psi. It can operate on air pressures as low as 20 psi, making it suitable for low‑pressure plant air systems and portable setups. The pump handles solids up to 1.6 mm and maintains reliable suction lift thanks to its efficient check‑valve geometry and smooth air‑valve transition.

Materials & Wetted Options

The series is available in polypropylene or acetal fluid sections, with acetal models offering full groundability and ATEX approval. Seat options include acetal and 316 stainless steel, while ball and diaphragm materials cover PTFE, Santoprene, TPE, and Buna‑N. This range supports broad chemical compatibility across industrial, commercial, and OEM applications.

Air System & Control

The internal air valve is designed for low pulsation and rapid shift, reducing pressure spikes and improving flow consistency. It is fully serviceable from the exterior and requires no lubrication. The pump supports remote control through external solenoid valves for automated or PLC‑driven systems. Proper air filtration and unrestricted exhaust are recommended for consistent cycling.

Installation & Mounting

The 307 can be mounted in multiple orientations and supports stand‑mount, pail‑mount, and wall‑mount configurations. Manifolds can be rotated to change inlet/outlet direction, simplifying plumbing in tight spaces. Flexible hoses are required for both suction and discharge, and a fluid drain valve must be installed at the outlet for safe depressurization. Polypropylene models must be protected from prolonged UV exposure.

Serviceability

The 307 is designed for fast teardown and rebuild. The air valve, ball checks, and diaphragms are easily accessed, and all wear components are available in dedicated service kits. Manifold and cover fasteners use standard torque values for consistent reassembly. Every pump is factory‑tested before shipment to ensure proper operation.

Applications

Common uses include chemical transfer, spray systems, water treatment additives, inks, coatings, adhesives, detergents, and general industrial fluids. Its low air‑pressure requirement and compact size make it ideal for mobile equipment, small process skids, and multi‑fluid systems using the split‑manifold option.

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Graco Husky 307 Series Manual

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