{"id":1746,"date":"2026-05-22T08:59:44","date_gmt":"2026-05-22T08:59:44","guid":{"rendered":"https:\/\/chinawormgearbox.xyz\/product\/epnmrv090-aluminium-worm-gearbox\/"},"modified":"2026-05-22T08:59:44","modified_gmt":"2026-05-22T08:59:44","slug":"epnmrv090-aluminium-worm-gearbox","status":"publish","type":"product","link":"https:\/\/chinawormgearbox.xyz\/fa\/product\/epnmrv090-aluminium-worm-gearbox\/","title":{"rendered":"EPNMRV090 Aluminium Worm Gearbox"},"content":{"rendered":"
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EPNMRV090 Aluminium Worm Gearbox \u2014 Overview<\/h2>\n

The EPNMRV090 is the flagship mid-size unit in the EPNMRV series, engineered specifically for the continuous-duty requirements of water and wastewater treatment plants, heavy conveyor drives, and municipal infrastructure projects. Rated to 4.8 kW input and 479 Nm output torque with a radial force rating of 8,180 N, it operates reliably across 24\/7 duty cycles. Maintenance engineers in Australian water utilities value the EPNMRV090’s sealed, leak-resistant housing and baked enamel finish that withstand aggressive chlorinated and sulphide-rich plant atmospheres. At 13 kg it remains manageable for single-person installation, while six mounting configurations (B3, B6, B7, B8, V5, V6) accommodate pump-drive, agitator-shaft, and conveyor-tail orientations.<\/p>\n

\"Internal<\/div>\n

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EPNMRV090 Technical Specifications<\/h2>\n

\"EPNMRV090<\/p>\n

General Specifications<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nValue<\/th>\n<\/tr>\n<\/thead>\n
Model<\/td>\nEPNMRV090<\/td>\n<\/tr>\n
Input Power (P1)<\/td>\n0.37 \u2013 4.8 kW<\/td>\n<\/tr>\n
Max Output Torque (M2)<\/td>\n479 Nm<\/td>\n<\/tr>\n
Max Radial Force (Fr2)<\/td>\n8180 N<\/td>\n<\/tr>\n
Available Gear Ratios (i)<\/td>\n7.5, 10, 15, 20, 25, 30, 40, 50, 60, 80, 100<\/td>\n<\/tr>\n
Output Shaft Dia.<\/td>\n35 mm \/ 1.375 in<\/td>\n<\/tr>\n
Input Shaft Dia.<\/td>\n22.225 mm \/ 0.875 in<\/td>\n<\/tr>\n
NEMA Input Flange<\/td>\nNEMA 56C\/140TC\/180TC<\/td>\n<\/tr>\n
IEC Input Flange<\/td>\nIEC 90\/100\/112<\/td>\n<\/tr>\n
Unit Weight<\/td>\n13 kg<\/td>\n<\/tr>\n
Housing Material<\/td>\nDie-cast ADC12 aluminium alloy<\/td>\n<\/tr>\n
Worm Wheel Material<\/td>\nHigh-tensile phosphor bronze<\/td>\n<\/tr>\n
Worm Shaft Material<\/td>\n20CrMnTi alloy steel \u2014 case-hardened & ground<\/td>\n<\/tr>\n
Surface Finish<\/td>\nTwo-coat baked epoxy-polyester<\/td>\n<\/tr>\n
Standard Mounting<\/td>\nB3 foot \/ VS IEC flange \/ hollow bore<\/td>\n<\/tr>\n
Lubrication<\/td>\nISO VG 220 synthetic gear oil<\/td>\n<\/tr>\n
Input Speed (n1)<\/td>\n1,400 rpm (50 Hz 4-pole reference)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Inch-Series Dimension Reference<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n
Dimension<\/th>\nInch Value<\/th>\nMetric Equivalent<\/th>\n<\/tr>\n<\/thead>\n
A \u2013 Body width<\/td>\n5.51 in<\/td>\n140 mm<\/td>\n<\/tr>\n
B \u2013 Body height<\/td>\n5.31 in<\/td>\n135 mm<\/td>\n<\/tr>\n
J \u2013 Overall length<\/td>\n8.19 in<\/td>\n208 mm<\/td>\n<\/tr>\n
Output shaft dia.<\/td>\n1.375 in<\/td>\n34.9 mm<\/td>\n<\/tr>\n
Input shaft dia.<\/td>\n0.875 in<\/td>\n22.2 mm<\/td>\n<\/tr>\n
NEMA flange<\/td>\n56C\/140TC\/180TC<\/td>\nIEC 90\/100\/112<\/td>\n<\/tr>\n
Weight<\/td>\n\u2013<\/td>\n13 kg<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n

Performance Data \u2014 EPNMRV090 (n1 = 1,400 rpm)<\/h3>\n
\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
P1 (kW)<\/th>\nRatio (i)<\/th>\nn2 (rpm)<\/th>\nM2 (Nm)<\/th>\nf.s.<\/th>\nFr2 (N)<\/th>\n<\/tr>\n<\/thead>\n
1.5<\/td>\n10<\/td>\n140<\/td>\n90<\/td>\n2.2<\/td>\n3391<\/td>\n<\/tr>\n
1.5<\/td>\n15<\/td>\n93.3<\/td>\n130<\/td>\n1.5<\/td>\n3882<\/td>\n<\/tr>\n
1.5<\/td>\n20<\/td>\n70<\/td>\n168<\/td>\n1.3<\/td>\n4273<\/td>\n<\/tr>\n
1.5<\/td>\n30<\/td>\n46.7<\/td>\n239<\/td>\n1.7<\/td>\n4891<\/td>\n<\/tr>\n
2.2<\/td>\n10<\/td>\n140<\/td>\n134<\/td>\n2.3<\/td>\n3391<\/td>\n<\/tr>\n
2.2<\/td>\n15<\/td>\n93.3<\/td>\n194<\/td>\n1.9<\/td>\n3882<\/td>\n<\/tr>\n
2.2<\/td>\n20<\/td>\n70<\/td>\n252<\/td>\n1.4<\/td>\n4273<\/td>\n<\/tr>\n
2.2<\/td>\n30<\/td>\n46.7<\/td>\n351<\/td>\n1.2<\/td>\n4891<\/td>\n<\/tr>\n
4.0<\/td>\n7.5<\/td>\n186.7<\/td>\n184.2<\/td>\n1.6<\/td>\n3081<\/td>\n<\/tr>\n
4.0<\/td>\n10<\/td>\n140<\/td>\n243<\/td>\n1.3<\/td>\n3391<\/td>\n<\/tr>\n
4.0<\/td>\n15<\/td>\n93.3<\/td>\n352<\/td>\n1.0<\/td>\n3882<\/td>\n<\/tr>\n
4.0<\/td>\n20<\/td>\n70<\/td>\n458<\/td>\n0.8<\/td>\n4273<\/td>\n<\/tr>\n
4.8<\/td>\n7.5<\/td>\n186.7<\/td>\n221<\/td>\n1.3<\/td>\n3081<\/td>\n<\/tr>\n
4.8<\/td>\n10<\/td>\n140<\/td>\n291<\/td>\n1.1<\/td>\n3391<\/td>\n<\/tr>\n
4.8<\/td>\n15<\/td>\n93.3<\/td>\n422<\/td>\n0.9<\/td>\n3882<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n