Product Description
Gear pump is a rotary pump that depends on the working volume change and movement formed between the pump cylinder and the meshing gear to transport liquid or pressurize it.Gear pump consists of two gears, pump body and front and back cover composed of two closed Spaces, when the gear rotates, the volume of the space on the side of the gear off from small to large, forming a vacuum, the liquid is inhaled, the volume of the space on the gear meshing side from large to small, and the liquid is squeezed into the pipeline. The suction cavity and the discharge cavity are separated by the meshing lines of the two gears. The pressure at the outlet of the gear pump depends entirely on the resistance at the pump outlet. Gear pump is widely used in various Marine hydraulic machinery. It has the advantages of simple and compact structure, small size, light weight, good self-priming performance, insensitivity to dirt, reliable operation, long service life, high speed and easy management and maintenance, but the flow and pressure pulsation is large, noise is large, and the displacement is not adjustable. There are many kinds of gear pumps, common involute external gear pump, involute internal gear pump and cycloidal internal gear pump. In addition to being used as power components in hydraulic drive systems, they are often used as transport pumps for various oils.
In fact, there is a very small amount of fluid loss in the pump, because these fluids are used to lubricate the bearing and both sides of the gear, and the pump body can never be matched without a gap, so the fluid can not be 100% discharged from the outlet, so a small amount of fluid loss is inevitable, which makes the pump operating efficiency can not reach 100%. However, the pump still works well and can still achieve 93% to 98% efficiency for most extruded materials.
| Brand | Rexroth |
| Model | PGH4-30 025RR11VU2 |
| Max. pressure | 350 |
| Shaft end | Geared 25-4, 15T 16/32 DP, ISO 3019-1 |
| Fastening | 2-hole mounting flange 101-2, ISO 3019-1 |
| Size | 25 |
| Speed min. | 200 |
| Productgroup ID | 9,10,11,12,13,14 |
| Shaft end | Geared 25-4, 15T 16/32 DP, ISO 3019-1 |
| Speed max. | 3000 |
FAQ
Q1: Wonder if you accept small orders?
A1: Do not worry. Feel free to contact us .in order to get more orders and give our clients more convener ,we accept small order.
Q2: Can you send products to my country?
A2: Sure, we can. If you do not have your own ship forwarder, we can help you.
Q3: What's your payment terms ?
A3: By T/T,LC AT SIGHT,100% full payment.
Q4: How long is your production lead time?
A4:It depends on product and order qty. Normally, it takes us 15 days for an order with MOQ qty.
Q5: When can I get the quotation ?
A5: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation.Please call us or tell us in your mail, so that we could regard your inquiry priority.
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