75 Series Big Gun
75 Series Big Gun®
The 75 Series is a perfect fit for solid set irrigation, pivot end gun irrigation, sports field applications - to name a few.
The Nelson 75 Series Big Gun comes as a Full (21° or 24° trajectory) or Part Circle (18° [HD only], 21°, 24°, or 43° trajectory) sprinkler with the Taper Ring Nozzle.
Add-on kits include:
HD Lower Bearing, 12° Wedge Kit, Counterbalance Kit, Stream Straightener Vane. Can be fitted to a QC Valve or 2” 800 Series Control Valve.
Connection options include
1 1/2” or 2” FNPT or FBSP ANSI/DIN Nelson or Euro Flange.
F75 (Full Circle)
Performance
30-160 GPM (6.8-36.30 M³/H)
25-80 PSI (1.75-6 Kg/cm²)
Media
Resources
- Big Gun Brochure - [2MB]
- Taper Ring Nozzle Data - [905KB]
- SR75 Big Gun Parts List - [1MB]
- SR75 Big Gun Operation & Maintenance Guide - [2MB]
- F75 Big Gun Parts List - [1MB]
- F75 Big Gun Operation & Maintenance Guide - [362KB]
- SR75 Drive Arm Service Kit #11090 - [230KB]
- Purge Valve Literature - [190KB]
- Pivot Gun Control Valve - [524KB]
- SR75 Dimensions - [767KB]
Accessories and related products
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The Nelson Quick Coupler makes portable Big Gun® irrigation faster and easier than ever before. A quick twist attaches the gun and key to the valve. Simply connect the hydraulic assist and the gun goes into action. The shutoff and disconnect cycle is just as fast and easy.
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Stream Straightener Vane for Big Gun
Stream Straightener Vane (#600V) helps reduce stream turbulence and increases the throw radius.
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The Wedge Kit (#11095, #11098, #11358, #11359) increases the angle of the trajectory.
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This kit is used to help balance the Big Gun on severely sloping terrain. It allows for even rotation when riser is tilted and minimizes any brake variations while reducing stress on the lower unit.
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The Taper Ring Nozzle (#TR75, #TR100, #TR150) combines the changeability of a ring nozzle with some of the efficiency of a Taper Bore Nozzle.
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Secondary nozzles can be fitted to all Nelson Big Guns and are used to apply water in-close. This is generally not desirable when Big Guns are used on travelers but may be desirable in solid set applications.
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Combo of a Big Gun sprinkler and 800 Series valve (A2 B11 C3). No solenoid is needed for this gun-control system (when a booster pump is used).
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Solid Set Big Gun / Control Valve Combo
Specify ASNI flange + B17 Ex: A2”B17C2D_E_H3 for 75 & 100 Series Big Guns A3”B17C2D_E_H3 for 150 Series Big Guns A4”B17C2D_E_H3 for 200 Series Big Guns - (B18 is an additional option for the 200 Series Big Gun. This is for the cast iron valve while B17 is aluminum.)
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When traditional end guns aren’t an option, specify the Nelson Purge Valve to intermittently flush the end of a pivot to prevent solids from collecting that are not managed by the pivot sand trap.