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Parts

312752D

Orifice Size Selection

Use the following equation to find a suggested orifice
size for your application.

The calculated “D” is the suggested orifice size in milli-

meters. Round to the nearest available orifice size listed
on page 12.

This section is provided to approximate an effective

orifice size for a given application. There is no guar-
antee that this formula will provide the correct ori-
fice size.

D = Orifice Diameter (mm)
F = Flow through orifice (pounds / second)
P = Dispensing Pressure for Chemical (psi)
Sg = Specific Gravity of Chemical

F 0.324







P Sg 62.4









Содержание 30110-500-2

Страница 1: ...tion Parts S Head For dispensing Polyol and Isocyanate 3000 psi 20 68 MPa 206 8 bar Maximum Working Pressure Important Safety Instructions Read all warnings and instructions in this manual Save these...

Страница 2: ...dentification 6 Installation 7 Mounting 7 Operation 8 Maintenance 9 Nozzle Assembly 9 Parts 11 Nozzle Assembly 11 Injection Nozzle and Needle Valve Kits 12 Technical Data 15 Dimensions 15 Graco Ohio S...

Страница 3: ...SKIN INJECTION HAZARD High pressure fluid from dispense valve hose leaks or ruptured components will pierce skin This may look like just a cut but it is a serious injury that can result in amputation...

Страница 4: ...worn or damaged parts immediately with genuine manu facturer s replacement parts only Do not alter or modify equipment Use equipment only for its intended purpose Call your distributor for informatio...

Страница 5: ...not under pressure especially if agitated To reduce frothing minimize preheating in a circulation system Changing Materials When changing materials flush the equipment mul tiple times to ensure it is...

Страница 6: ...ing cham ber the two chemicals are impinged against each other causing the mixing of the two components After dispensing is finished the valving rod is hydrauli cally driven forward to the closed posi...

Страница 7: ...ttern provided on the front face of the gun block for mounting Never use any of the assembly bolts for mounting purposes Key AA 5 096 in 129 44 mm AB 2 7550 in 69 98 mm AC 1 9360 in 49 17 mm AD 3 8 16...

Страница 8: ...retainer 102 This will lock the injection adjustment screw position Do not come into contact with Isocyanate See Iso cyanate Hazard on page 5 Pressure setting is an operator adjustment and mixing pre...

Страница 9: ...move needle 206 from needle housing 205 a Thread 1 4 20 bolt into rear of needle 206 b Holding on to 1 4 20 bolt pull needle 206 out rear of needle housing 205 See FIG 4 on page 12 5 Use an o ring pic...

Страница 10: ...gs with a liberal amount of silicone grease 2 Install the needle 206 into the needle housing 205 3 Install the nozzle assembly into the MixHead body CAUTION The needle valve and needle housing are mat...

Страница 11: ...X 1 2 NPT ms 2 5 1508 3 NIPPLE 1 2 mpt x 3 4 16 JIC 4 6 5514 6 3 4 O RING X 1 2 TUBE 90 elbow 1 7 20163 3 TUBE hydraulic open 1 8 6306 79 TUBE 3 4 16 o ring x 1 2 1 9 20162 4 TUBE hydraulic closed 1...

Страница 12: ...052 1 60 24A053 1 70 24A054 1 80 24A055 1 90 24A056 2 00 24A057 2 50 24A058 3 00 24A059 3 50 24A060 4 00 24A061 4 20 24A062 4 50 24A063 5 00 24A064 5 50 24A065 6 00 24A066 6 50 24A067 7 00 Kit Orifice...

Страница 13: ...Round to the nearest available orifice size listed on page 12 This section is provided to approximate an effective orifice size for a given application There is no guar antee that this formula will p...

Страница 14: ...Parts 14 312752D...

Страница 15: ...kg Wetted Parts Stainless Steel Trivalent Chromium Plated Carbon Steel PTFE Perifluorinated EPDM O rings FIG 5 2 25 in Stroke Models 4 in Stroke Models Ref in mm in mm CA 6 74 171 1 6 74 171 1 CB 18...

Страница 16: ...nclude the costs of parts labor and transportation THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ANY OTHER WARRANTIES EXPRESS OR IMPLIED INCLUDING BUT NOT LIMITED TO WARRANTY OF MERCHANTABILITY OR WARR...

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