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Admiral Pumps GRKV Plunger Pumps Specification Sheet

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GRKV 3400 RPM V Version 1" With Tapered Gas Engine Flange

Plunger Pumps

Featuring

MANIFOLD: High strength forged brass or nickel-plated for long term use.

BOLTS: Eight 10mm grade 8.8.

PLUNGERS: A special thick solid ceramic for long life, strong durability, and more resilience.

CRANKCASE: Precision die-cast, large cooling fins and anodized for maximum heat dissipation. Bayonet style sight glass located in the rear and side cover, fill and side and bottom drain plugs.

BEARINGS: Oversized premium tapered roller bearing for maximum life and load distribution.

BEARINGS SUPPORTS: Precision die-cast and machined to assure concentricity and alignment.

VALVES, SEATS, AND SPRINGS: Stainless steel with specially designed Ultra Form cages to provide long life and positive seating.

SEALS AND V-PACKINGS: Continuously lubricating for extended life. Triple lip oil seal for assured crankcase seal.

PLUNGER RODS: High strength stainless steel, for heavy-duty use.

CONNECTING RODS: Two-piece special alloy aluminum-based material, oversized for maximum strength, load disbursement, and long life. Heavy pin area construction, for added load strength.

DIMENSIONS

Specifications

Model Max GPM Max LMP Max PSI Max Bar Power EBHP Bore Dia MM Stroke MM Crankshaft ID Stamp Weight lbs.
GRKV4G35HV-F35 4.0 15.1 3500 240 9.5 18 7.0 8 23
Oil Capacity = 15.3 oz Maximum Fluid Temperature = 140 F Inlet Thread = 1/2" F Discharge Thread = 3/8" F


Torque Specifications Inch pounds (ft. lbs)

Head Piston Nut Rear Cover Side Cover Valve Cap Con Rods
217 (18) 106 (8.8) 89 (7.5) 217 (18) 478 (40) N/A
Engine crankshaft coupling bolt: 221 (18)


Special Note: Use AR64516 Oil. First change oil after 50 hours of use. Then every 500 hours. This oil is specially formulated to provide correct lubrication properties for our pumps. No other oil is factory approved for these pumps.

Pos. No. Code Description Quantity
1 960160 O-Ring 6
2 960090 Plug 6(round)
2 960850 Plug 6(square)
3 889052 Complete valve 6
4 880830 O-Ring 6
5 880830 Plug 1/4 G 2 (round)
5 1380690 Plug 1/4 G Nickel 2 (square)
6 820510 O-Ring 2
7 960110 Support ring 3
8 880320 Gasket 3
9 1380090 Piston guide 3
10 961240 O-Ring 3
11 880330 Gasket 3
12 1383130 Seal 3
13 850370 Screw 4
14 1380050 Bearing support 1
15 640030 O-Ring 1
16 2280240 Bearing 1
17 1382770 Pump housing 1
18 880130 Oil cap 1
19 962010 Nut 3
20 962000 Washer 3
21 1380940 Ceramic piston 3
22 1380950 Spacer 3
23 600180 O-Ring 3
24 1380920 Guiding piston 3
25 1380060 Piston pin 3
26 1383050 Aluminum con rod 3
26 1383020 Bronze con rod 3
27 1780510 O-Ring 1
28 1789010 Complete cover 1
29 1343510 Screw 6
30 1380120 0,10 mm shim 1-3
30 1380130 0,20 mm shim 1-3
30 1380530 0,25 mm shim 1-3
30 1382810 0,05 mm shim 1-3
31 740290 O-Ring 3
32 1980740 Plug 3/8 G 2
33 1980740 Plug 3/8 G 1 (round)
33 1981180 Plug 3/8 G 1 (square)
34 180101 O-Ring 1
35 820361 Plug 1/2 G 1 (round)
35 960870 Plug 1/2 G Nickel 1 (square)
36 1381071 Pump head 1 (round)
36 1381070 Pump head 1 (square)
37 820150 Screw 8
38 1380320 Bearing 1
39 621170 Seal 1
40 1380220 O-Ring 1
41 620440 Screw 1
42 2280450 Washer 1
43 2280410 Coupling 1
44 2280420 Coupling snap ring 1
45 2280440 Hollowshaft 1
46 2280430 Gas engine flange 1
47 180030 Screw 4
48 1381850 Washer 8
49 1080401 Ring 3
50 1389232 Pump head assembly 1 (round)
50 1389224 Pump head assembly 1 (square)
51 1260250 Oil indicator 1
52 1260430 Snap ring 1
53 1780690 Disc 1
54 1140450 O-Ring 1

Repair Kits

Water Seal Kit 1857
Pos. Qty.
8 3
10 3
11 3


Valve Kit 1828
Pos. Qty.
3 6
4 6


Pistons Kit 2546
Pos. Qty.
19 3
20 3
21 3
22 3
23 3
49 3


Oil Seals Kit 1856
Pos. Qty.
12 3
14 1
27 1
39 1
40 1


Support Ring Kit 1829
Pos. Qty.
7 3


Mounting Kit 2504
Pos. Qty.
41 1
42 1
43 1
44 1

Special Parts

Code Description Qty.
2809 Viton water seals 18 1