Displacement per
Stroke
In US Gallons for Various Diameter Plungers
Stroke
length in inches |
Plunger diam
in inches |
1 |
1 1/2 |
2 |
2 1/2 |
3 |
3 1/2 |
4 |
5 |
6 |
7 |
8 |
| .8125 |
.00224 |
.00336 |
.00448 |
.00560 |
.00672 |
.00785 |
.00896 |
.01120 |
.01345 |
.01570 |
.01792 |
| .875 |
.00261 |
.00392 |
.00522 |
.00652 |
.00783 |
.00914 |
.01044 |
.01305 |
.01565 |
.01830 |
.02090 |
| .9375 |
.00299 |
.00448 |
.00598 |
.00748 |
.00897 |
.01046 |
.01196 |
.01495 |
.01795 |
.02093 |
.02329 |
| 1.000 |
.00340 |
.00510 |
.00680 |
.00850 |
.01020 |
.01190 |
.01360 |
.0170 |
.0204 |
.0238 |
.0272 |
| 1.0625 |
.00383 |
.00574 |
.00770 |
.00959 |
.01151 |
.01343 |
.01535 |
.01915 |
.02298 |
.02681 |
.03064 |
| 1.125 |
.0043 |
.00645 |
.0086 |
.01076 |
.0129 |
.01506 |
.01721 |
.0215 |
.0258 |
.0301 |
.0344 |
| 1.1875 |
.00479 |
.00718 |
.00957 |
.01196 |
.01435 |
.01674 |
.01916 |
.02395 |
.02874 |
.03353 |
.03832 |
| 1.250 |
.00532 |
.00797 |
.0106 |
.0133 |
.0159 |
.0186 |
.0213 |
.0266 |
.0319 |
.0372 |
.0425 |
| 1.3125 |
.00586 |
.00879 |
.01172 |
.01465 |
.01758 |
.02051 |
.02344 |
.02930 |
.03516 |
.04102 |
.04688 |
| 1.375 |
.00643 |
.00965 |
.0129 |
.0161 |
.0193 |
.0225 |
.0257 |
.0322 |
.0386 |
.0451 |
.0514 |
| 1.4375 |
.00703 |
.01054 |
.01405 |
.01756 |
.02108 |
.02459 |
.02810 |
.03513 |
.04216 |
.04920 |
.05621 |
| 1.500 |
.00765 |
.01148 |
.0153 |
.0191 |
.02295 |
.0268 |
.0306 |
.0383 |
.0458 |
.0536 |
.0612 |
| 1.5625 |
.00830 |
.01245 |
.01660 |
.02075 |
.0249 |
.0268 |
.0306 |
.0383 |
.0458 |
.0536 |
.0612 |
| 1.625 |
.00898 |
.01348 |
.01798 |
.0225 |
.0270 |
.0314 |
.0360 |
.0450 |
.0538 |
.0628 |
.0718 |
| 1.6875 |
.00968 |
.01452 |
.01936 |
.02420 |
.02904 |
.03389 |
.03873 |
.04841 |
.05809 |
.06777 |
.07745 |
| 1.750 |
.01041 |
.01561 |
.02082 |
.02610 |
.0312 |
.0364 |
.0417 |
.0521 |
.0624 |
.0728 |
.0832 |
| 1.8125 |
.01117 |
.01675 |
.02234 |
.02792 |
.03351 |
.03909 |
.04468 |
.05585 |
.06702 |
.07819 |
.08936 |
| 1.875 |
.01196 |
.01794 |
.0239 |
.0299 |
.0359 |
.0418 |
.0478 |
.0598 |
.0718 |
.0837 |
.0957 |
| 1.9375 |
.01276 |
.01914 |
.02552 |
.03190 |
.03828 |
.04466 |
.05104 |
.06380 |
.07656 |
.08932 |
.10208 |
| 2.000 |
.01360 |
.0241 |
.0272 |
.0340 |
.0408 |
.0477 |
.0544 |
.0680 |
.0817 |
.0953 |
.1088 |
| 2.0625 |
.01446 |
.02169 |
.02892 |
.03615 |
.04338 |
.05061 |
.05784 |
.07230 |
.08676 |
.10122 |
.11568 |
| 2.125 |
.01536 |
.0230 |
.0307 |
.0384 |
.0461 |
.0537 |
.0614 |
.0768 |
.0922 |
.1075 |
.1228 |
| 2.1875 |
.01627 |
.02440 |
.03254 |
.04067 |
.04881 |
.05694 |
.06508 |
.08135 |
.09672 |
.11389 |
.13016 |
| 2.250 |
.01720 |
.0258 |
.0344 |
.0430 |
.0516 |
.0602 |
.0688 |
.0860 |
.1033 |
.1205 |
.1376 |
| 2.3125 |
.01818 |
.02727 |
.03646 |
.04545 |
.05454 |
.06363 |
.07272 |
.09090 |
.10908 |
.12726 |
.14528 |
| 2.375 |
.01917 |
.0287 |
.0383 |
.0478 |
.0575 |
.0671 |
.0767 |
.0958 |
.1148 |
.1340 |
.1532 |
| 2.500 |
.02125 |
.0319 |
.0425 |
.0532 |
.0637 |
.0744 |
.0850 |
.1063 |
.1274 |
.1488 |
.1700 |
| 2.625 |
.02347 |
.0352 |
.0469 |
.0587 |
.0704 |
.0822 |
.0939 |
.1173 |
.1409 |
.1643 |
.1878 |
| 2.750 |
.02573 |
.0386 |
.0514 |
.0643 |
.0772 |
.0900 |
.1029 |
.1287 |
.1544 |
.1802 |
.2058 |
| 2.875 |
.02810 |
.0421 |
.0562 |
.0702 |
.0843 |
.0983 |
.1124 |
.1405 |
.1686 |
.1967 |
.2248 |
| 3.000 |
.03060 |
.0459 |
.0612 |
.0765 |
.0918 |
.1071 |
.1224 |
.1530 |
.1836 |
.2142 |
.2448 |
| 3.125 |
.03320 |
.0498 |
.0664 |
.0830 |
.0996 |
.1162 |
.1328 |
.1660 |
.1992 |
.2324 |
.2656 |
| 3.250 |
.03590 |
.0538 |
.0718 |
.0897 |
.1077 |
.1256 |
.1436 |
.1795 |
.2154 |
.2513 |
.2872 |
| 3.375 |
.03872 |
.0581 |
.0714 |
.0968 |
.1162 |
.1355 |
.1549 |
.1936 |
.2323 |
.2710 |
.3097 |
| 3.500 |
.04165 |
.0624 |
.0833 |
.1042 |
.1249 |
.1458 |
.1666 |
.2083 |
.2499 |
.2916 |
.3332 |
| 3.625 |
.04470 |
.0670 |
.0894 |
.1117 |
.1341 |
.1565 |
.1788 |
.2235 |
.2682 |
.3129 |
.3576 |
| 3.750 |
.04780 |
.0717 |
.0956 |
.1195 |
.1434 |
.1673 |
.1912 |
.2390 |
.2868 |
.3346 |
.3824 |
| 3.875 |
.05110 |
.0766 |
.1022 |
.1277 |
.1533 |
.1788 |
.2044 |
.2555 |
.3066 |
.3577 |
.4088 |
| 4.000 |
.0542 |
.0813 |
.1084 |
.1360 |
.1626 |
.1897 |
.2168 |
.2710 |
.3252 |
.3794 |
.4336 |
| 4.125 |
.0578 |
.0867 |
.1156 |
.1445 |
.1734 |
.2023 |
.2312 |
.2890 |
.3468 |
.4046 |
.4624 |
| 4.250 |
.0614 |
.0921 |
.1228 |
.1535 |
.1842 |
.2149 |
.2456 |
.3070 |
.3684 |
.4298 |
.4912 |
| 4.375 |
.06508 |
.0976 |
.1302 |
.1627 |
.1952 |
.2278 |
.2603 |
.3254 |
.3905 |
.4456 |
.5207 |
| 4.500 |
.06885 |
.1033 |
.1378 |
.1722 |
.2066 |
.2410 |
.2755 |
.3444 |
.4131 |
.4820 |
.5508 |
| 4.625 |
.07273 |
.1091 |
1454 |
.1818 |
.2182 |
.2545 |
.2909 |
.3636 |
.4364 |
.5091 |
.5818 |
| 4.750 |
.07672 |
.1151 |
.1534 |
.1918 |
.2302 |
.2685 |
.3069 |
.3836 |
.4603 |
.5370 |
.6138 |
| 4.875 |
.0808 |
.1212 |
.1616 |
.2020 |
.2424 |
.2828 |
.3232 |
.4040 |
.4848 |
.5656 |
.6464 |
| 5.000 |
.0850 |
.1275 |
.1700 |
.2125 |
.2550 |
.2975 |
.3400 |
.4250 |
.5100 |
.5950 |
.6800 |
| 5.250 |
.09371 |
.1405 |
.1874 |
.2343 |
.2811 |
.3279 |
.3748 |
.4685 |
.5622 |
.6560 |
.7497 |
| 5.500 |
.10286 |
.1542 |
.2057 |
.2571 |
.3086 |
.3600 |
.4114 |
.5143 |
.6171 |
.7200 |
.8228 |
| 5.790 |
.11242 |
.1686 |
.2248 |
.2810 |
.3372 |
.3934 |
.4496 |
.5621 |
.6745 |
.7869 |
.8993 |
| 6.000 |
.12241 |
.1836 |
.2448 |
.3061 |
.3672 |
.4284 |
.4896 |
.6121 |
.7345 |
.8569 |
.9793 |
| 6.250 |
.13282 |
.1992 |
.2656 |
.3321 |
.3984 |
.4648 |
.5313 |
.6641 |
.7969 |
.9297 |
1.0625 |
| 6.500 |
.14366 |
.2155 |
.2873 |
.3593 |
.4310 |
.5028 |
.5746 |
.7183 |
.8620 |
1.0056 |
1.1493 |
| 6.750 |
.15492 |
.2324 |
.3098 |
.3873 |
.4647 |
.5422 |
.6197 |
.7746 |
.9295 |
1.0845 |
1.2393 |
| 7.000 |
.16660 |
.2499 |
.3333 |
.4166 |
.4998 |
.5831 |
.6666 |
.8333 |
.9998 |
1.1662 |
1.3328 |
| 7.250 |
.17872 |
.2681 |
.3574 |
.4468 |
.5361 |
.6255 |
.7148 |
.8935 |
1.0723 |
1.2510 |
1.4297 |
| 7.500 |
.19125 |
.2867 |
.3825 |
.4781 |
.5737 |
.6694 |
.7650 |
.9562 |
1.1475 |
1.3387 |
1.5300 |
| 7.750 |
.20423 |
.3063 |
.4084 |
.5106 |
.6127 |
.7148 |
.8169 |
1.0212 |
1.2254 |
1.4297 |
1.6337 |
| 8.000 |
.21760 |
.3264 |
.4352 |
.5440 |
.6538 |
.7616 |
.8704 |
1.0880 |
1.3056 |
1.5232 |
1.7408 |
| 8.500 |
.24566 |
.3685 |
.4913 |
.6141 |
.7370 |
.8598 |
.9826 |
1.2283 |
1.4738 |
1.7196 |
1.9653 |
| 9.000 |
.27450 |
.4131 |
.5508 |
.6885 |
.8262 |
.9639 |
1.1016 |
1.3770 |
1.6525 |
1.9278 |
2.2033 |