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GEMCO is a hydraulic system products factory integrating R&D, production, wholesale and sales. It provides the production, testing and delivery of high pressure ball valves hydraulic hoses assembly, quick coupling, connectors, assemblies and other industrial partes for various hydraulic demand fields domestic and abroad. One-stop service with high quality and fast delivery is available.
| Part Number |
Flange inch |
Hose I.D. inch |
A inch |
A mm |
E inch |
E mm |
F inch |
B inch |
B mm |
| 83971-8-8 83971-10-10 83971-12-8 |
1/2 5/8 3/4 |
1/2 5/8 1/2 |
2.93 3.62 2.93 |
74 92 74 |
1.6 2.10 1.66 |
41 53 42 |
1-3/16 1-11/32 1-1/2 |
1.72 2.37 1.72 |
44 60 44 |
| 83971-12-10 83971-12-12 83971-16-12 |
3/4 3/4 1 |
5/8 3/4 3/4 |
3.62 3.48 3.52 |
92 88 89 |
2.10 2.28 2.28 |
53 58 58 |
1-1/2 1-1/2 1-3/4 |
2.37 2.10 2.14 |
60 53 54 |
| 83971-16-16 83971-16-20 83971-20-12 |
1 1 1-1/4 |
1 1-1/4 3/4 |
4.36 4.53 3.81 |
111 115 97 |
2.76 2.39 2.13 |
70 61 54 |
1-3/4 1-3/4 2 |
2.58 2.75 2.45 |
66 70 62 |
| 83971-20-16 83971-20-20 83971-20-24 |
1-1/4 1-1/4 1-1/4 |
1 1-1/4 1-1/2 |
4.33 5.12 6.33 |
110 130 161 |
2.76 3.54 3.00 |
70 90 76 |
2 2 2 |
2.55 3.43 4.14 |
65 87 105 |
| 83971-24-16 83971-24-20 83971-24-24 |
1-1/2 1-1/2 1-1/2 |
1 1-1/4 1-1/2 |
4.53 5.09 6.34 |
115 129 161 |
2.39 3.54 4.09 |
61 90 104 |
2-3/8 2-3/8 2-3/8 |
2.75 3.40 4.15 |
70 86 105 |
| 83971-32-24 83971-32-32 83971-40-32 |
2 2 2-1/2 |
1-1/2 2 2 |
6.98 7.75 7.43 |
148 197 189 |
4.09 5.43 4.51 |
79 138 14 |
2-13/16 2-13/16 3-5/16 |
4.36 5.55 5.23 |
93 141 133 |
