UDOR Delta 75 Diaphragm Pump | 20 GPM @ 560 PSI | Ag & Industrial Sprayer Pump

2025-12-09T12:59:09-08:00

Vendor: UDOR USA
Type: Diaphragm Pumps
Price: 0.00 - 2700.00 (3 variants)

Engineered for Durability. Built for Pressure.

The UDOR Delta 75 is a high-performance, 3-cylinder medium pressure diaphragm pump designed to withstand the rigorous demands of professional agriculture, landscaping, and industrial cleaning. Delivering a commanding 20.0 GPM at 560 PSI (38 Bar), this pump bridges the gap between high-volume transfer and high-pressure blasting, making it the versatile heart of your sprayer system.

Constructed with an anodized aluminum body and featuring UDOR's exclusive internally manifolded design, the Delta 75 eliminates external plumbing leak points while offering superior corrosion resistance against aggressive horticultural chemicals. Whether you are spraying orchards, de-icing aircraft, or managing turf, the Delta 75 delivers consistent, pulsation-free power backed by Italian engineering pedigree.

Why Professionals Choose the Delta 75

Internally Manifolded Architecture: Unlike competitors with bulky external manifolds, the Delta 75 features integrated fluid passages cast directly into the body. This reduces the risk of leaks, creates a compact footprint (13.5" x 14.0" x 12.0"), and increases structural rigidity against vibration.

GREENTECH Diaphragm Technology: Equipped standard with UDOR's proprietary GREENTECH diaphragms. This advanced material offers exceptional resistance to deformation and chemical attack, significantly extending maintenance intervals compared to standard Buna-N rubber.

Anodized Aluminum Construction: The crankcase, heads, and manifolds are anodized to create a hardened, corrosion-resistant oxide surface. This stands up to harsh environments, liquid fertilizers, and pesticides that would corrode cast iron.

Run-Dry Capability: The semi-hydraulic design allows the pump to withstand temporary dry running conditions without catastrophic failure, providing a safety net during tank changeovers.

Visual Maintenance: Includes a large-capacity oil bath crankcase with a visual sight gauge, allowing for instant inspection of oil level and health without tools.

Technical Specifications

Max Flow Rate | 20.0 GPM (79.0 L/min)
Max Pressure | 560 PSI (38 Bar)
Max Speed (RPM) | 550 RPM
Inlet Port | 1-1/4" Hose Barb
Outlet Ports | (2) 1/2" Hose Barb (Ball Valve Controlled)
Bypass Port | 3/4" Hose Barb
Piston Diameter | 60 mm
Stroke Length | 17.0 mm
Max Fluid Temperature | 140°F (60°C)
Lubrication | 40 oz. UDOR Lube 40W Premium Pump Oil (Alternate: SAE 30W Non-Detergent)
Diaphragm Material | GREENTECH

Ideal Applications

The Delta 75 is engineered for versatility across multiple sectors where medium pressure and high reliability are paramount:

Agriculture & Horticulture: Ideal for tree spraying, row crops, and nursery applications requiring high pressure (560 PSI) for deep foliage penetration.

Turf & Lawn Care: Reliable performance for boom spraying fertilizers, herbicides, and pesticides on golf courses and large estates.

Industrial Services: Proven effective for aircraft de-icing (handling viscous glycol fluids), hydrostatic testing, and dust suppression systems.

Fire Fighting: Utilized for "hot spot" suppression on brush trucks, where the high-pressure mist conserves water while cooling embers.

⚠️ IMPORTANT - SOFT WASH COMPATIBILITY: While the Delta 75 is excellent for general cleaning, it is constructed of Anodized Aluminum. It is NOT recommended for dedicated Soft Wash applications utilizing high concentrations of Sodium Hypochlorite (Bleach), as this will corrode the aluminum. For bleach applications, please view the UDOR Zeta-PP Series (Polypropylene).

Available Configurations

Ensure you select the correct model for your power source:

Model | Drive Configuration | Weight | Best Use Case
DELTA 75 VA | Universal Drive Face with Mounting Rails | 46 LBS | Belt & Pulley Systems, Hydraulic Couplers
DELTA 75 VAGR1 | Gear Reduction for 1" Shaft Gas Engine (8-20 HP) | 58 LBS | Gas Engine Skids (Landscaping, Pest Control)
DELTA 75 TSVA | Universal Drive Face x 1-3/8" 6-Spline Male PTO | 46 LBS | Tractor Mounted Sprayers (Orchards, Vineyards)

Maintenance Parts

Keep your Delta 75 running at peak performance with genuine UDOR replacement parts:

Diaphragm Kit (GREENTECH): Part # 6062.E4

Valve Kit: Part # 6062.E6

Complete Repair Kit: Part # 8700.75CK

Recommended Oil: UDOR Lube 40W (Part # 15.5823) or SAE30 Non Detergent