Versatile, air-operated, hydraulic pump for heated or unheated spray systems and fluid delivery applications. Model 25B Pump Positive-displacement, demand-type pump. Available in 2:1, 4:1, 16:1, and 27:1 fluid-to-air ratios.
Dual-acting, single-piston design. Patented ScoreGuard " hard coated plunger. Circulating and non-circulating systems.
Wall, drum, five-gallon pail or dolly mounting. Self-adjusting packings. Typical Applications The Nordson model 25B pump is available in several fluid-to-air ratios.
The 27:1 ratio pump is well suited for high-pressure, airless painting applications where heavy-bodied primers and coatings are sprayed, as in boat-yards, marine applications and miscellaneous metal fabrications. The 16:1 pump is used in heated paint applications and lower viscosity applications such as industrial enamels. The 4:1 and 2:1 versions are ideal for low-pressure, higher-volume applications including air- atomized paint systems.
The 16:1 and 27:1 versions of the 25B pump are available in stainless steel for corrosive and waterborne applications, as well as several non-paint applications including cold glue and adhesives. Features and Benefits Reciprocating plunger and packing design 4 reduces pump wear and maintenance costs. Wide selection of cstandard d packing materials 4 for use with a variety of coating formulations.
Hard-chrome wear surfaces 4 for long life using abrasive ... more. less.
coatings. Mounting versatility 4 wall, drum, five-gallon pail or dolly mounting accommodates varying application requirements. Standard type U packing glands 4 offer excellent abrasion resistance with zero water absorption for much longer packing life.<br><br> Large, stainless-steel ball checks 4 provide smooth fluid delivery with high-viscosity coating materials. Large, enclosed solvent chamber 4 lubricates plunger and increases upper packing life. Mechanical air valve 4 provides reliable, fast cycling action to minimize pressure fluctuations for a more uniform spray pattern.<br><br> Sheet metal cover 4 protects pump from the hazards of normal industrial environments. Patented ScoreGuard precision-ground, hard-chrome hydraulic plunger 4 ensures long service life. Air-operated pump 4 can be safely used in hazardous locations with solvent-based coatings.<br><br> Self-adjusting hydraulic packing glands 4 need no maintenance throughout their life and cannot be overtightened or neglected. Model 25B Pump © 2004 Nordson Corporation All Rights Reserved United States Amherst, Ohio Telephone: 800.955.9563 Facsimile: 440.985.1536 Web: www.nordson.com/liquid E-mail: liquidmarketing@ nordson.com www.nordson.com Canada Markham, Ontario Telephone: 800.463.3200 905.475.6730 Facsimile: 905.475.8821 www.nordson.ca Europe Erkrath, Germany Telephone: 49.211.9205.0 Facsimile: 49.211.254658 E-mail: email@example.com Japan Tokyo, Japan Telephone: 81.3.5762.2700 Facsimile: 81.3.5762.2701 E-mail: firstname.lastname@example.org www.nordson.co.jp Asia/Australia/Latin America Amherst, Ohio Telephone: 440.985.4000 24-hour message service: 440.985.4797 E-mail: intcustomerservice@ nordson.com Nordson reserves the right to make design changes to products to improve their function. These changes may occur between printings.<br><br> For more information, talk with your Nordson representative or contact your Nordson regional headquarters office. Nordson Corporation " 300 Nordson Drive " Amherst, Ohio 44001 Model 25B Pump * Fluid pressure capability based upon a normal operating air pressure range of 20-80 PSIG ** One cycle = 2 strokes Specifications Fluid-to-Air Pressure Ratio2:14:116:127:1 Nominal Operating Fluid Pressure Range* 40-160 PSIG80-320 PSIG320-1280 PSIG540-2160 PSIG (3-11 kg/cm 2 )(6-22 kg/cm 2 )(22-90 kg/cm 2 )(39-152 kg/cm 2 ) Fluid Delivery GPM (liters per minute) 15 cycles** per minute22.214.171.124.12 (5.7)(2.80)(.76)(.45) 30 cycles per minute3.001.50.40.24 (11.4)(5.7)(1.51)(.91) 60 cycles per minute6.003.00.80.48 (22.7)(11.4)(3.03)(1.82) Pump Cycles Per Gallon102077125 Per Liter2.65.22033 Gallons Per Cycle 0.1000.0500.0130.008 Liters Per Cycle 0.390.1950.0500.030 Air Requirements @ 15 cycles (60 PSIG or3.8 CFM3.8 CFM3.8 CFM3.8 CFM 4.22 kg/cm 2 )(1.85 l/sec.)(1.85 l/sec.)(1.85 l/sec.)(1.85 l/sec.) Maximum Working Pressure 175 PSIG350 PSIG1500 PSIG2500 PSIG (12.3 kg/cm 2 )(25 kg/cm 2 )(106 kg/cm 2 )(176 kg/cm 2 ) Minimum Air Line Size Recommended (I.D.) 3/8 in. (9.5 mm) LQL-04-0614 Revised 5/04 © 2004 Nordson Corporation All Rights Reserved<br><br>