Instructions/Parts Flat Line Spray Systems Kits 3A1203B EN Heated or non-heated fluid circulation kits for Merkur®, Merkur® Bellows, and NXT® Dura-Flo™ Pumps. For professional use only. Maximum Fluid Working Pressure: see Technical Data on page 19. Pump pressure must not exceed this pressure. Important Safety Instructions Read all warnings and instructions in this manual and your separate pump, heater, and component manuals. Save these instructions.
Contents 24F592 Merkur Non-Heated Circulation Kit . . . . . . 4 24F592 Kit Parts . . . . . . . . . . . . . . . . . . . . . . . . . 4 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 24F595 Merkur Bellows Non-Heated Circulation Kit 6 24F595 Kit Parts . . . . . . . . . . . . . . . . . . . . . . . . . 6 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6 Installation . . . . . . . . . . . . .
A1203B 3
24F592 Merkur Non-Heated Circulation Kit 24F592 Merkur Non-Heated Circulation Kit 24F592 Kit Parts Ref. 5 6 8 Part No. 222200 168160 114339 9 12 13 113070 502851 15V521 14 15 16 17 113834 239062 256424 236892 18 19 20 22 24B299 119400 114593 24F658 Description Qty VALVE, back pressure; see 307892 1 BUSHING; 3/8 npt(m) x 1/4 npt(f) 1 SWIVEL, straight; 1/4 npt(m) x 1/4 1 npsm(f) NIPPLE, reducer; 3/8 npt x 1/4 npt 1 BUSHING; 1 in. npt(m) x 3/4 npt(f) 1 ADAPTER, swivel, 90°; 1 in. npt(m) 1 x 1 in.
24F592 Merkur Non-Heated Circulation Kit 1 Apply pipe sealant (19) to all non-swiveling threads. 2 Use bushing (12) only on pumps with 3/4 npt fluid inlet. 3 Use swivel (17) only on pumps with 3/8 npt fluid outlet. 4 Use bushing (18) only on pumps with 3/4 npt fluid outlet. 5 Fluid return line (not included). 6 Part of pump assembly (pump is not included in kit). B 6 22 20 5 2 9 12 18 16 4 R5 17 3 6 13 8 14 15 TI16205a FIG. 1.
24F595 Merkur Bellows Non-Heated Circulation Kit 24F595 Merkur Bellows Non-Heated Circulation Kit 24F595 Kit Parts Ref. 5 6 8 Part No. 222200 168160 114339 9 12 13 113070 502851 15V521 14 15 16 17 113834 239062 256424 236892 18 19 20 22 24B299 119400 114593 24F658 Description Qty VALVE, back pressure; see 307892 1 BUSHING; 3/8 npt(m) x 1/4 npt(f) 1 SWIVEL, straight; 1/4 npt(m) x 1/4 1 npsm(f) NIPPLE, reducer; 3/8 npt x 1/4 npt 1 BUSHING; 1 in. npt(m) x 3/4 npt(f) 1 ADAPTER, swivel, 90°; 1 in.
24F595 Merkur Bellows Non-Heated Circulation Kit 1 Apply pipe sealant (19) to all non-swiveling threads. 2 Use bushing (12) only on pumps with 3/4 npt fluid inlet. 3 Use swivel (17) only on pumps with 3/8 npt fluid outlet. 4 Use bushing (18) only on pumps with 3/4 npt fluid outlet. 5 Fluid return line (not included). 6 Part of pump assembly (pump is not included in kit). 6 22 2 17 3 18 4 12 13 14 15 8 6 R 5 9 5 20 TI16208a 16 FIG. 2.
24F595 Merkur Bellows Non-Heated Circulation Kit 8 3A1203B
24F590 (120V) and 24F591 (240V) Merkur Heated Circulation Kit 24F590 (120V) and 24F591 (240V) Merkur Heated Circulation Kit 24F590 and 24F591 Kit Parts Mounting Ref. 1 2 NOTE: See your separate pump and heater manuals. Be sure the wall can support the weight of the pump, heater, brackets, hoses and accessories, as well as the stress caused during operation. Hole diameters and wall mounting dimensions are shown on page 17. Kit mounting bracket diagrams are shown on page 18.
24F590 (120V) and 24F591 (240V) Merkur Heated Circulation Kit Installation NOTE: See your separate heater manual, supplied, for heater installation and electrical requirements. NOTE: Apply pipe sealant (19) to all non-swiveling threads. NOTE: On pumps with a 3/4 npt fluid inlet, use bushing (12) to allow connection of the swivel adapter (13). 1. See FIG. 3. Assemble the bushing (12, if needed) and swivel adapter (13) to the pump inlet. Attach the suction hose kit (16) to the adapter. 2.
24F590 (120V) and 24F591 (240V) Merkur Heated Circulation Kit 1 Apply pipe sealant (19) to all non-swiveling threads. 2 Use bushing (12) only on pumps with 3/4 npt fluid inlet. 3 Use swivel (17) only on pumps with 3/8 npt fluid outlet. 4 Use bushing (18) only on pumps with 3/4 npt fluid outlet. 6 10 S 7 1 5 Fluid return line (not included). 6 Part of pump assembly (pump is not included in kit).
24F590 (120V) and 24F591 (240V) Merkur Heated Circulation Kit 12 3A1203B
24F593 (120V) and 24F594 (240V) Merkur Bellows Heated Circulation Kit 24F593 (120V) and 24F594 (240V) Merkur Bellows Heated Circulation Kit 24F593 and 24F594 Kit Parts Mounting Ref. 1 2 NOTE: See your separate pump and heater manuals. Be sure the wall can support the weight of the pump, heater, brackets, hoses and accessories, as well as the stress caused during operation. Hole diameters and wall mounting dimensions are shown on page 17. Kit mounting bracket diagrams are shown on page 18.
24F593 (120V) and 24F594 (240V) Merkur Bellows Heated Circulation Kit Installation NOTE: See your separate heater manual, supplied, for heater installation and electrical requirements. NOTE: Apply pipe sealant (19) to all non-swiveling threads. NOTE: On pumps with a 3/4 npt fluid inlet, use bushing (12) to allow connection of the swivel adapter (13). 1. See FIG. 4. Assemble the bushing (12, if needed) and swivel adapter (13) to the pump inlet. Attach the suction hose kit (16) to the adapter. 2.
24F593 (120V) and 24F594 (240V) Merkur Bellows Heated Circulation Kit 1 Apply pipe sealant (19) to all non-swiveling threads. 2 Use bushing (12) only on pumps with 3/4 npt fluid inlet. 3 Use swivel (17) only on pumps with 3/8 npt fluid outlet. 4 Use bushing (18) only on pumps with 3/4 npt fluid outlet. 5 Fluid return line (not included). 6 Part of pump assembly (pump is not included in kit).
G25NXT and G45NXT Dura-Flo Pump G25NXT and G45NXT Dura-Flo Pump G25NXT and G45NXT Kit Parts 1 Apply pipe sealant to all non-swiveling threads. Ref. 1 2 3 Part No. Description Qty 425MSN PUMP, NXT Dura-Flo, wall mount; 1 see 312358 and 311828 445MSN PUMP, NXT Dura-Flo, wall mount; 1 see 312358 and 311828 503086 NIPPLE, reducing; 1 in. npt x 1/2 1 npt 24U609 KIT, fluid filter; see 307273 1 1 B Mounting Mount the pump as explained in your separate pump manual, supplied.
Wall Bracket Mounting Hole Diagrams Wall Bracket Mounting Hole Diagrams Merkur Bellows Wall Bracket Merkur Wall Bracket 11 in. (279 mm) 6.9 in. (175 mm) Four 0.40 in. (10 mm) diameter mounting holes Six 0.40 (10 mm) diameter mounting holes 4 in. (102 mm) 8.5 in. (216 mm) TI12833a 17.0 in. (432 mm) Dura-Flo Wall Bracket 9.0 in. (228.6 mm) Four 7/16 in. (11 mm) diameter mounting holes 5.4 in. (136.5 mm) 7.4 in. (187.3 mm) TI15369a Four 7/16 in. (11 mm) diameter mounting holes 12.4 in. (314.
Kit Mounting Bracket Diagrams Kit Mounting Bracket Diagrams Bracket 24A590, for 24F590 and 24F591 Merkur Heated Circulation Kits Mount pump, using existing screws Mount to wall bracket, using four screws (2), washers (7), and nuts (10) Mount heater, using four screws (2) TI16475a Bracket 16F431, for 24F593 and 24F594 Merkur Heated Circulation Kits Mount to wall bracket, using four screws (2), washers (7), and nuts (10) Mount heater, using four screws (2) TI16476a 18 3A1203B
Technical Data Technical Data Kit Maximum Fluid Working Pressure . . . . . . . . . . . . . . NOTE: Pump pressure must not exceed this pressure. Merkur Kits 24F590, 24F591, 24F592, 24F593, 24F594, and 24F595: 4000 psi (28 MPa, 280 bar) G25NXT Kit: 2380 psi (16 MPa, 166 bar) G45NXT Kit: 4550 psi (31 MPa, 318 bar) Wetted Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Graco Standard Warranty Graco warrants all equipment referenced in this document which is manufactured by Graco and bearing its name to be free from defects in material and workmanship on the date of sale 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.
