
QT Series Internal Gear Pump QT62‑125F QT62‑100F QT62‑80F‑BP‑Z Hydraulic Pump
Wuhan Xinlaifu Hydraulic Equipment Co., Ltd. is one of the leading manufacturers and suppliers of qt series internal gear pump qt62‑125f qt62‑100f qt62‑80f‑bp‑z hydraulic pump in China. With abundant experience, we warmly welcome you to buy high quality customized products at competitive price from our factory. Also, OEM&ODM service is available.
Technical specifications

| Item | Specification |
|---|---|
| Part Number | QT62‑125F‑BP‑Z, QT62‑100F‑BP‑Z, QT62‑80F‑BP‑Z |
| Product Type | Hydraulic Internal Gear Pump |
| Applicable Machine | Injection molding machine, Servo hydraulic power unit, Industrial hydraulic equipment |
| Brand Reference | Replacement for QT series hydraulic internal gear pump |
| Application | Hydraulic power transmission for injection molding servo hydraulic systems |
| Gear Structure | Internal gear rotor construction |
| Material | Pump housing: Cast Iron; Gear: Alloy Steel |
| Output Torque | - |
| Working Pressure | - |
| Installation Form | Flange Mount |
| Working Condition | For general industrial hydraulic oil media |
| Sealing Type | Standard oil seal, optional improved shaft seal available |
| Weight | - |
| Remark | Reliable drop‑in replacement, low‑noise stable‑pressure performance for injection molding hydraulic systems |
Product Overview
QT Series internal gear pump QT62‑125F‑BP‑Z, QT62‑100F‑BP‑Z, QT62‑80F‑BP‑Z is a heavy‑duty hydraulic pump engineered for injection molding machine servo hydraulic systems. It acts as a direct drop‑in replacement for original QT series units, delivering steady pressure and low‑noise operation under continuous industrial cycles.
Constructed with cast‑iron housing and alloy‑steel internal gear rotor, this pump supports stable performance for plastic molding production. Available for bulk procurement and global shipment, we provide quotation support for worldwide customers.
Features and Advantages
- Direct drop‑in replacement for QT series internal gear pump, easy installation without modification
- Low‑noise and stable pressure output, optimized for continuous‑run injection molding servo hydraulic systems
- Robust cast‑iron pump housing and alloy‑steel internal gear rotor for extended service life
- Compact structure, well‑adapted to limited installation space of injection molding equipment
- Standard oil seal design, optional upgraded shaft seal for harsh working conditions
- Supports bulk order procurement, flexible quotation for global buyers
- Worldwide fast shipping available, tailored supply for different regional market demands
Typical applications
- Servo‑driven injection molding machines
- Plastic molding hydraulic power units
- Industrial servo hydraulic systems
- Injection machinery retrofitting & component replacement
- General‑purpose industrial hydraulic equipment







FAQ
Q1: Which machines are compatible with QT62‑125F‑BP‑Z, QT62‑100F‑BP‑Z and QT62‑80F‑BP‑Z internal gear pumps?
A: These QT series internal gear pumps are mainly designed for servo‑driven injection molding machines and matched hydraulic power units, also fit for related industrial hydraulic systems.
Q2: Can this QT62‑BP‑Z pump work as a direct replacement for the original QT series pump?
A: Yes, it is drop‑in replacement. No extra modification is required for installation, perfect for injection molding machine pump overhaul and retrofit.
Q3: What kind of hydraulic oil media is suitable for this QT62‑BP‑Z gear pump?
A: It applies to common industrial hydraulic oil. Please use qualified hydraulic oil to extend pump service life.
Q4: Is upgraded shaft seal available for QT62‑BP‑Z series internal gear pump?
A: Yes. Standard oil seal is equipped by default, improved shaft seal can be selected for severe working conditions.
Q5: Do you support bulk order for QT62‑125F / QT62‑100F / QT62‑80F‑BP‑Z hydraulic pumps?
A: Bulk procurement is supported. Please send us your quantity and requirement to get competitive wholesale quotation.
Q6: Are these QT series internal gear pumps kept in stock? What about the lead time?
A: Partial models are available from stock. Lead time depends on order quantity, we will confirm delivery schedule upon receiving your inquiry.
Q7: Can you ship QT62‑BP‑Z hydraulic pumps to my country?
A: Global shipping service is available. We cooperate with multiple freight forwarders to deliver goods to most regions worldwide.
Q8: Can you provide further technical data or dimension drawing for QT62‑BP‑Z series pumps?
A: Yes. Contact our sales team, we will offer related technical documents according to your project requirement.
Model Displacement
| Item | QT62‑80F‑BP‑Z | QT62‑100F‑BP‑Z | QT62‑125F‑BP‑Z |
|---|---|---|---|
| Part Number | QT62‑80F‑BP‑Z | QT62‑100F‑BP‑Z | QT62‑125F‑BP‑Z |
| Product Type | Internal Gear Hydraulic Pump | Internal Gear Hydraulic Pump | Internal Gear Hydraulic Pump |
| Theoretical Displacement | 80 cm³/rev | 100 cm³/rev | 125 cm³/rev |
| Rated Continuous Pressure | 14 MPa (140 bar) | 14 MPa (140 bar) | 14 MPa (140 bar) |
| Max Instantaneous Pressure | 16 MPa (160 bar) | 16 MPa (160 bar) | 16 MPa (160 bar) |
| Speed Range | 300‑2200 rpm | 300‑2200 rpm | 300‑2200 rpm |
| Approx. Theoretical Flow @1500rpm (14 MPa) | 107.1 L/min | 138.3 L/min | 173.8 L/min |
| Applicable Machine | Injection molding machine, Servo hydraulic power unit, Industrial hydraulic equipment | Injection molding machine, Servo hydraulic power unit, Industrial hydraulic equipment | Injection molding machine, Servo hydraulic power unit, Industrial hydraulic equipment |
| Brand Reference | Drop‑in replacement for QT series internal gear pump | Drop‑in replacement for QT series internal gear pump | Drop‑in replacement for QT series internal gear pump |
| Application | Hydraulic power transmission for injection molding servo hydraulic systems | Hydraulic power transmission for injection molding servo hydraulic systems | Hydraulic power transmission for injection molding servo hydraulic systems |
| Gear Structure | Internal gear rotor construction | Internal gear rotor construction | Internal gear rotor construction |
| Material | Pump housing: Cast Iron; Gear: Alloy Steel | Pump housing: Cast Iron; Gear: Alloy Steel | Pump housing: Cast Iron; Gear: Alloy Steel |
| Installation Form | Flange Mount | Flange Mount | Flange Mount |
| Rotation Direction | F‑Code: Reverse outlet position (Clockwise from shaft end) | F‑Code: Reverse outlet position (Clockwise from shaft end) | F‑Code: Reverse outlet position (Clockwise from shaft end) |
| Working Condition | For general industrial hydraulic mineral oil media | For general industrial hydraulic mineral oil media | For general industrial hydraulic mineral oil media |
| Sealing Type | Standard oil seal, optional improved shaft seal available | Standard oil seal, optional improved shaft seal available | Standard oil seal, optional improved shaft seal available |
| Output Torque | ‑ | ‑ | ‑ |
| Weight | ‑ | ‑ | ‑ |
| Remark | Reliable drop‑in replacement, low‑noise stable‑pressure performance for injection molding hydraulic systems | Reliable drop‑in replacement, low‑noise stable‑pressure performance for injection molding hydraulic systems | Reliable drop‑in replacement, low‑noise stable‑pressure performance for injection molding hydraulic systems |
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