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Instructions–Parts List
308178F
Dynamic Surge Suppressor
For use with double-diaphragm pumps and low-pressure reciprocating pumps.
For professional use only. Not for use in explosive atmospheres.
100 psi (0.7 MPa, 7 bar) Maximum Fluid Working Pressure
100 psi (0.7 MPa, 7 bar) Maximum Air Inlet Pressure
Important Safety Instructions
Model 224892, Series A
Read all warnings and instructions in this manual.
aluminum, with PTFE diaphragm
Save these instructions.
Model 224893, Series A
alumin
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Symbols Warning Symbol Caution Symbol WARNING CAUTION This symbol alerts you to the possibility of serious This symbol alerts you to the possibility of damage to injury or death if you do not follow the instructions. or destruction of equipment if you do not follow the instructions. WARNING WARNING EQUIPMENT MISUSE HAZARD Equipment misuse can cause the equipment to rupture or malfunction and result in serious injury. INSTRUCTIONS This equipment is for professional use only. Read all instruct
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WARNING WARNING TOXIC FLUID HAZARD Hazardous fluid or toxic fumes can cause serious injury or death if splashed in the eyes or on the skin, inhaled, or swallowed. Know the specific hazards of the fluid you are using. Store hazardous fluid in an approved container. Dispose of hazardous fluid according to all local, state and national guidelines. Always wear protective eyewear, gloves, clothing and respirator as recommended by the fluid and solvent manufacturer. Graco does not manufacture
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Installation and other flammable substances, whether you are System Pressure pumping indoors or outdoors, and can cause a fire or The maximum fluid working pressure of this surge explosion and serious bodily injury and property suppressor is 100 psi (0.7 MPa, 7 bar) at 100 psi damage. (0.7 MPa, 7 bar) incoming air pressure. Never exceed 100 psi (0.7 MPa, 7 bar) fluid or air pressure to the If you experience any static sparking or even a slight surge suppressor. Do not exceed the maximum shock wh
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Installation The installation shown below is only a guide for selecting and installing system components; it is not an actual system design. Contact your Graco distributor for assistance in planning a system to suit your needs. KEY A Surge suppressor J Air regulator B Air pressure gauge K Air Filter C Fluid supply line L Bleed-type master air valve D Fluid outlet line (for accessories) E Air supply line M Surge suppressor ground wire F Husky 715 pump (required) G Fluid drain valve N Pump ground
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Installation General Information Air Exhaust Ventilation The surge suppressor uses air pressure and a diaphragm to maintain a consistent fluid outlet WARNING pressure from a double diaphragm or low-pressure Be sure to read TOXIC FLUID HAZARD and FIRE reciprocating pump. During normal flow, the AND EXPLOSION HAZARD on page 3, before suppressor air pressure and fluid pressure are in operating this equipment. equilibrium. A sharp increase in fluid pressure causes the air inlet port to open, increas
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Operation and Maintenance Operating the Surge Suppressor WARNING 1. Be sure the system is properly grounded. Read and follow FIRE AND EXPLOSION HAZARD, on To prevent overpressurization of the surge sup- page 3. pressor, never exceed 100 psi (0.7 MPa, 7 bar) fluid inlet pressure or 100 psi (0.7 MPa, 7 bar) air 2. Check all fittings to be sure they are tight. Be sure inlet pressure. In systems using pumps with a ratio to use a compatible liquid thread sealant on all greater than 1:1, reduce the ai
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Troubleshooting Relieve the pressure. WARNING Check all possible problems and causes before To reduce the risk of serious injury whenever you disassembling the pump or surge suppressor. are instructed to relieve pressure, always follow the Pressure Relief Procedure on page 4. PROBLEM CAUSE SOLUTION Surge suppressor operates Clogged air line or air inlet Inspect; clear. erratically Air line connected to pressure gauge Connect air line to air inlet port (see page 11). Clogged fluid supply line, fl
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Service Servicing the Shaft O-Rings Servicing the Diaphragm and Shaft 1. Relieve the pressure. NOTE: Diaphragm Repair Kits are available. See page 14. Parts included in the kits are marked with asterisks. The kits include some parts which are not WARNING used on the surge suppressor. Use all the applicable parts in the kit for the best results. To reduce the risk of serious injury whenever you are instructed to relieve pressure, always follow the 1. Relieve the pressure. Pressure Relief Procedu
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Service 6. Place the o-ring (15*) on the bolt (14). Install the Servicing the Fluid Inlet and Outlet lower diaphragm plate (12), with the flat side facing NOTE: Repair Kits are available to service the internal down. parts of the fluid inlet and outlet. See page 14 for ordering information. Parts included in the kits are 7. Install the diaphragm (13**), making certain that marked with three asterisks, for example (16***). The the side marked AIR SIDE is facing up on the bolt. kits include some p
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Service 19* ÂÂÂ Lubricate inner Lubricate with diameter of housing ÂÂÂ lithium-based grease (8) with lithium-based grease 11 Torque to 10 to 15 in-lb (1.1 to 1.7 N-m) 31 Torque to 5 to 7 ft-lb 8 (7 to 10 N-m) Air inlet 32* 1/4 npt(f) Flat side faces up 6 13** 7 12* Flat side 2 1 3 faces down Torque to 21** 3 to 6 ft-lb (models (4 to 8 N-m) 224892 and *15** 224894 only) 9 ***16 16*** 14* Chamfer Apply sealant to faces out ***18 17*** threads. Flat end Beveled side faces faces inward inward 090
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Parts Drawing Model 224892, Series A, aluminum surge suppressor with PTFE diaphragm Model 224893, Series A, aluminum surge suppressor with buna–N diaphragm Model 224894, Series A, stainless steel surge suppressor with PTFE diaphragm Model 224895, Series A, stainless steel surge suppressor with buna–N diaphragm 10 Torque to 10 to 15 in-lb 33 (1.1 to 1.7 N.m) Apply sealant tape to threads 8 30 6 29 4 Torque to 6 to 10 ft-lb (8 to 14 N.m) 19 Lubricate with * The replacements for these parts are a
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Parts Lists Model 224892, Series A Model 224894, Series A aluminum surge suppressor with PTFE diaphragm stainless steel surge suppressor with PTFE diaphragm Model 224893, Series A aluminum surge suppressor with buna–N Model 224895, Series A diaphragm stainless steel surge suppressor with buna–N diaphragm Ref Part No. No. Description Qty Ref Part No. No. Description Qty 1 100307 NUT, hex; 3/8–16 unc–2b 4 2 100003 BOLT, cap, hex hd; 1 100307 NUT, hex; 3/8–16 unc–2b 4 3/8–16 unc–2a x 1.5” long 4 2
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Repair Kits Repair Kits must be purchased separately. Use only genuine Graco parts and accessories. The Ref. No. shown in the kits below correspond to the reference numbers used in the Parts List on page 13. For the best results, use all the parts in the kit, even if the old parts still look good. PTFE Diaphragm Kit D05001 Buna-N Ball Repair Kit D05270 For Models 224892 and 224894. Includes enough parts For Model 224893 only. Includes enough parts to service to service the surge suppressor tw
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Dimensional Drawing air exhaust muffler: 1/2 npt ÄÄÄ ÄÄÄ height: 8.78 in. (223 mm) air inlet: 1/4 npt(f) fluid outlet: 3/4 npt(f) width across clamp: 7.38 in. (187.5 mm) inlet-to-outlet length: fluid inlet: 7.74 in. (196.6 mm) 3/4 npt(f) total length: 8.40 in. (213.4 mm) 0903
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Technical Data Maximum fluid working pressure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100 psi (0.7 MPa, 7 bar) Air pressure operating range . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 to 100 psi (0.18 to 0.7 MPa, 1.75 to 7 bar) Maximum free flow delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16 gpm (60 l/min) Air inlet . .
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Graco Standard Warranty Graco warrants all equipment manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale by an authorized Graco distributor to the original purchaser for use. With the exception of any special, extended, or limited warranty published by Graco, Graco will, for a period of twelve months from the date of sale, repair or replace any part of the equipment determined by Graco to be defective. This warranty applies only when
