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OPERATOR'S MANUAL
INCLUDING: OPERATION, INSTALLATION & MAINTENANCE
It is the responsibility of the employer to place this information in the hands of the operator. Keep for future reference.
SERVICE KITS
1604567 for Air section repair (see page 6) .
1604584 for Fluid section repair (see page 4).
1604583 for Ball and Seat Repair section (see page 4).
PUMP DATA
Models . . . . . .1604629,1604630
Pump Type . . . Non-Metallic Air Operated Double Diaphragm.
Material . . . . . see Model Description Chart.
Weight . . . . . . Acetal . . . . . . . . . . . . . . 4.16 lbs (1.89 kgs)
Maximum Air Inlet Pressure . . . . . . . . 100 p.s.i.g. (6.9 bar)
Minimum Air Inlet Pressure . . . . . . . . 10 p.s.i.g (0.69 bar)
Maximum Material Inlet Pressure . . . 10 p.s.i.g. (0.69 bar)
Maximum Outlet Pressure . . . . . . . . . . 100 p.s.i.g. (6.9 bar)
Maximum Flow Rate
(flooded inlet)
Displacement / Cycle @ 100 p.s.i. . . . 0.022 gallons (0.083 lit.)
Maximum Particle Size . . . . . . . . . . . 1/16" dia. (1.6 mm)
Maximum Temperature Limits (diaphragm / ball / seat material)
Acetal . . . . . . . . . . . . . . . . . . . . . . -10
E.P.R / EPDM . . . . . . . . . . . . . . . . -60
Hytrel® . . . . . . . . . . . . . . . . . . . . . -20
Kynar P.V.D.F . . . . . . . . . . . . . . 10
Neoprene. . . . . . . . . . . . . . . . . . . 0
Nitrile . . . . . . . . . . . . . . . . . . . . . . 10
Polypropylene . . . . . . . . . . . . . . 35
Santoprene® . . . . . . . . . . . . . . . . -40
PTFE . . . . . . . . . . . . . . . . . . . . . . . . 40
Viton® . . . . . . . . . . . . . . . . . . . . . . -40
Dimensional Data . . . . . . . . . . . . . . . . see page 8
Noise Level @ 70 p.s.i., 60 c.p.m. . . . . . 72.7 db(A) 
 The pump sound pressure levels published here have been updated to an
Equivalent Continuous Sound Level (LAeq) to meet the intent of ANSI S1.13-1971,
CAGI-PNEUROP S5.1 using four microphone locations.
Industrial Coatings Customer Support
555 Jackson Street - Amherst, OH 44001
�(800) 433-9319
www.nordson.com
3/8" DIAPHRAGM PUMP
1:1 RATIO (NON-METALLIC)
1604629, 1604630
READ THIS MANUAL CAREFULLY BEFORE INSTALLING,
OPERATING OR SERVICING THIS EQUIPMENT.
. . . . . . 10.6 g.p.m (40.1 l.p.m)
to 180
F (-12
to 82
C)
to 280
F (-51
to 138
º
to 150
F (-29
to 66
º
to 200
F (-12
to 93
C)
º
to 200
F (-18
to 93
C)
º
to 180
F (-12
to 82
C)
to 175
F (2
to 79
C)
to 225
F (-40
to 107
to 225
F (4
to 107
C)
to 350
F (-40
to 177
CCN 47509598001
C)
C)
C)
MODEL DESCRIPTION
C)
1604629-Groundable Acetal, NPTF threaded ports
1604630-Groundable Acetal, BSP threaded ports
1604620
RELEASED:
11-1-13
REVISED:
5-15-18
(REV: C)
Figure 1

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Summary of Contents for Nordson 1604629

  • Page 1 1604584 for Fluid section repair (see page 4). 1604583 for Ball and Seat Repair section (see page 4). PUMP DATA Models ..1604629,1604630 Pump Type . . . Non-Metallic Air Operated Double Diaphragm. Material ..see Model Description Chart.
  • Page 2 Check all hoses for damage or wear. Be certain dispens- Verify the chemical compatibility of the CAUTION ing device is clean and in proper working condition. pump wetted parts and the substance being pumped, STATIC SPARK. Can cause explosion WARNING flushed or recirculated. Chemical compatibility may resulting in severe injury or death. Ground pump and change with temperature and concentration of the pumping system. chemical(s) within the substances being pumped, 1604629 and 1604630 Groundable Acetal pumps:  flushed or circulated. For specific fluid compatibility, Use the pump ground lug provided. Connect to a 12 consult the chemical manufacturer. ga. (minimum) wire (kit is included) to a good earth Maximum temperatures are based CAUTION ground source. on mechanical stress only. Certain chemicals will Sparks can ignite flammable material and vapors.  significantly reduce maximum safe operating The pumping system and object being sprayed must be ...
  • Page 3: General Description

     ibility options available. Refer to the model and option chart. active for a few hours. Nordson pumps feature stall resistant design, modular air mo- The outlet material volume is governed not only by the  tor / fluid sections.
  • Page 4 [T] = PTFE [V] = Viton MANIFOLD / FLUID CAP OPTIONS Item Description Part No [Mt] Diaphragm Nut 1604599 (1/4" - 20) 1604612 Fluid Cap [GA] Ground Strap ---- [SS] Ground Kit Assembly 1604591 (not shown) 1604629 1604614 [GA] (NPTF) Inlet Mainfold 1604630 1604613 [GA] (BSP) 1604629 1604615 [GA] (NPTF) Outlet Mainfold 1604630 1604616 [GA] (BSP)
  • Page 5 PART LIST / FLUID SECTION COLOR CODE DIAPHRAGM BALL MATERIAL COLOR COLOR Hytrel Cream Black ( ) Santoprene PTFE White White Viton Yellow ( ) Yellow ( ) ( ) Dot Torque Sequence FOR THE AIR MOTOR SECTION SEE PAGES 6 & 7 Stainless steel seat installation Radius (ball side) Figure 3 Chamfer ( uid inlet side)
  • Page 6 PARTS LIST / AIR MOTOR SECTION Item Description Qty Part No. [Mtl] Item Description Qty Part No. [Mtl] Center Body [PPG] Valve Insert [CK] 140 103R Cover 1604561 Valve Plate 1604556 [CK] (right side) 103L Cover 1604562 144 “U” Cup Packing (left side)  (1/8” x 3/4” OD) Plug, Small 1604559 166 “O” Ring  (1/16” x 1-1/4” OD) Major Valve Spool 1604554 167 Pilot Piston ...
  • Page 7: Major Valve Reassembly

    PART LIST / AIR MOTOR SECTION PILOT VALVE PARTS 103L 103R PILOT VALVE PARTS ASSEMBLY TORQUE REQUIREMENTS NOTE: DO NOT OVERTIGHTEN FASTENERS. (123) screw, 4 - 6 in. lbs (0.45 - 0.68 Nm). (134) bolt, 15 - 20 in. lbs (1.7 - 2.3 Nm), wait 10 minutes, then re-torque to 15 - 20 in.
  • Page 8: Troubleshooting

    5-5/8" (142.7 mm) Figure 5 Pump Model “A" Material Inlet “B" Material Outlet 1604629 3/8 - 18 N.P.T.F. 3/8 - 18 N.P.T.F. - 1 1604630 Rp 3/8 (3/8 - 19 BSP, parallel) Rp 3/8 (3/8 - 19 BSP, parallel) Page 8 of 12...
  • Page 9 ACCESSORIES 1604730 WALL MOUNT BRACKET ASSEMBLY Wall Mount Bracket Washer (3) (3/16") Lock Washer (3) (#10) Cap Screw (3) (#10 - 24 x 1/2") 1604620 - EN Page 9 of 12...
  • Page 10 PERFORMANCE CURVES AIR CONSUMPTION IN SCFM Performance based on water at ambient temperature. 37.5 NPSH 12.5 CAPACITY IN U.S. GALLONS PER MINUTE AIR CONSUMPTION IN LITERS / SEC Performance based on water at ambient temperature. NPSH FLOW RATE (LITERS / MIN.) Page 10 of 12 1604620 - EN...
  • Page 11 1604620 - EN Page 11 of 12...
  • Page 12 Page 12 of 12 1604620 -EN...

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1604630

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