Product overview
New aftermarket 25M42A 1A20 — a high-speed industrial vane motor, fixed displacement and reversible, for open hydraulic circuits. Ring size 42 gives a nominal torque rating of 42 lb·in per 100 psi (4.7 Nm per 6.9 bar) and a displacement of 43.9 cm³/r. Flange mounted, with SAE 4-bolt flange port connections. Supplied as a new aftermarket replacement, quality checked before shipping.
Specifications
| Series | 25M / 35M / 45M / 50M industrial vane motors, high speed |
| Type | fixed displacement, reversible (rotation is set by flow direction) |
| Frame | 25M (heavy-duty bearing version: 26M) |
| Ring size (nominal torque rating) | 42 — 42 lb·in per 100 psi (4.7 Nm per 6.9 bar) |
| Displacement | 43.9 cm³/r |
| Mounting | code A — SAE 2-bolt mounting flange, pilot SAE B (4.00 in) |
| Port connections | body and cover ports, SAE 4-bolt flange, 1.25 in (31.75 mm) |
| Case drain | 1/4 NPTF-18 — do not restrict |
| Shaft | straight keyed (No. 1) — 0.875 in (22.2 mm), key 0.187 in |
| Cover position | code A — cover port opposite the body port |
| Design number | 20 (installation dimensions unchanged through −29) |
| Mass | 18 kg (40 lb) |
| Speed / pressure | 400 to 3600 r/min continuous, 4000 r/min intermittent; up to 155 bar continuous, 172 bar intermittent |
Model code — 25M42A 1A20
| 25M | 25M series vane motor (standard bearing version) |
| 42 | Ring size = nominal torque rating, 42 lb·in per 100 psi (4.7 Nm per 6.9 bar) — displacement 43.9 cm³/r |
| A | Mounting flange and port connections: SAE 2-bolt mounting flange with SAE 4-bolt flange ports |
| 1 | Shaft: straight keyed (No. 1) |
| A | Cover position: cover port opposite the body port |
| 20 | Design number — installation dimensions stay the same for designs −20 through −29 |
| (none) | No special-feature suffix on this code |
Ordering
A motor code has eight positions — series and motor name, ring size (nominal torque rating), mounting flange and port connections, shaft, cover position, design number and special features. Send us the complete code from the nameplate and we will confirm the replacement motor; without the full code the torque rating and the port position cannot be identified.
Notes. Intermittent duty means 10%% of total operating time, never more than 6 seconds at a time. Minimum speed is normally 100 r/min. Motor codes are a separate system from vane pump codes and are not interchangeable.
Related
Series overview: 25-50M Series. More vane motors: Vane Motors. Not sure about the fit? Contact us with the complete nameplate code and we will confirm before you order.
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