FAQ

Frequently Asked Questions (FAQ)

About Hung Pump

Q: What makes Hung Pump different from other pump manufacturers?

A: Hung Pump has been a leading Taiwan-based pump manufacturer for over 35 years, specializing in OEM production with ISO 9001 certification. We combine advanced engineering expertise with strict quality control to deliver reliable, high-performance pumps across 12 different categories. Our extensive experience in custom solutions and commitment to innovation sets us apart in the global market.

Q: Where are Hung Pump products manufactured?

A: Hung Pump operates advanced manufacturing facilities in multiple locations:

• Taiwan (2 facilities): Our flagship manufacturing centers with over 35 years of expertise, producing high-precision pumps with superior quality control
• China (1 facility): Cost-effective manufacturing for standard models while maintaining our quality standards
• All facilities follow ISO 9001-certified processes and strict quality control to ensure consistent performance across all production sites.

Q: Do you have local presence in Southeast Asia?

A: Yes! We have established strong regional presence with branch offices and warehouses in key Southeast Asian markets:

• Thailand: Branch office and warehouse for local inventory and support
• Vietnam: Branch office and warehouse serving the Vietnamese market
• Indonesia: Branch office and warehouse for Indonesian customers
• Future expansion: We're actively planning to open additional branches in other Southeast Asian countries to better serve our growing customer base

This local presence ensures faster delivery, local stock availability, and direct technical support in your native language.

Q: What are the advantages of your multiple manufacturing locations?

A: Our multi-location manufacturing strategy offers several benefits:

• Cost optimization: Competitive pricing through strategic manufacturing placement
• Supply chain resilience: Multiple facilities ensure consistent supply even during disruptions
• Regional customization: Products can be tailored to local market requirements and standards
• Faster delivery: Regional manufacturing reduces shipping time and costs
• Quality consistency: All facilities maintain the same ISO 9001 standards and quality control processes
• Scalability: Flexible production capacity to meet growing demand

Q: How do you ensure quality consistency across different manufacturing locations?

A: We maintain strict quality standards across all facilities through:

• Unified quality management system: Same ISO 9001 processes at all locations
• Regular quality audits: Cross-facility inspections and assessments
• Standardized procedures: Identical manufacturing processes and testing protocols
• Central quality control: Oversight from our Taiwan headquarters
• Shared expertise: Technical knowledge transfer between facilities
• Consistent supplier network: Same high-quality component suppliers across locations
• Regular training: Continuous education programs for all manufacturing teams

Q: What certifications does Hung Pump hold?

A: Hung Pump is ISO 9001 certified across all our manufacturing facilities (Taiwan and China), ensuring our quality management systems meet international standards. We also comply with various regional certifications including CE marking for European markets, CSA for North American markets and our products are tested to meet international standards as required. Our Southeast Asian branches also maintain local certifications as required by each market.

Q: Do you offer OEM/ODM services?

A: Yes, OEM and ODM services are our specialty. With 35+ years of experience, we can customize pumps according to your specifications, including modifications to hydraulic performance, materials, connections, and branding. Our engineering team works closely with clients to develop tailored solutions.

Product Categories & Applications

Q: What types of pumps does Hung Pump manufacture?

A: We manufacture pumps across 12 major categories including:

• Submersible pumps (sewage, drainage, well pumps)
• Centrifugal pumps (horizontal, vertical, multi-stage)
• Grinder pumps for sewage treatment
• Booster pumps for water supply systems
• Industrial pumps for various applications
• Self-priming pumps
• Jet pumps
• Circulation pumps
• Chemical-resistant pumps
• High-pressure pumps
• Drainage and sump pumps
• Specialty pumps for specific industries
• and more

Q: Which industries do you serve?

A: Our pumps serve diverse industries, including:

• Municipal water treatment and wastewater management
• Construction and building services
• Agriculture and irrigation
• Industrial manufacturing
• Mining and quarrying
• Marine and offshore applications
• HVAC and plumbing systems
• Food and beverage processing
• Chemical processing
• Power generation
• and more

Q: What materials are used in your pump construction?

A: We use high-quality materials selected for specific applications:

• Cast Iron: Standard duty applications
• Stainless Steel (304/316): Corrosive environments
• Duplex Steel: High-strength, corrosion-resistant applications
• Bronze: Marine and seawater applications
• Engineered Plastics: Chemical resistance
• Hardened Steel: Abrasive applications
• Ceramic Coatings: Extended wear life

Technical Support & Selection

Q: How do I select the right pump for my application?

A: Proper pump selection depends on several factors:

1. Flow requirements (GPM, L/s, m³/h)
2. Head requirements (total dynamic head)
3. Fluid properties (viscosity, temperature, specific gravity)
4. Installation conditions (suction conditions, NPSH available)
5. Environmental factors (indoor/outdoor, ambient temperature)
6. Power supply (voltage, frequency, phase)

Use our free online pump calculator or contact our technical team for assistance.

Q: What is Total Dynamic Head (TDH), and why is it important?

A: Total Dynamic Head (TDH) is the total resistance your pump must overcome, including:

• Static head: Vertical distance the pump must lift water
• Friction head: Pressure loss through pipes and fittings
• Pressure head: Required system pressure
• Velocity head: Energy needed to accelerate the fluid

TDH is crucial for selecting a pump with adequate capacity and preventing cavitation.

Q: How do I calculate pipe head loss for my system?

A: Use our free online Pipe Head Loss Calculator available on our website. It uses the Hazen-Williams equation and accounts for:

• Pipe diameter, length, and material
• Flow rate and fluid properties
• Fittings and valves (equivalent length method)
• Different pipe materials and their roughness factors

Q: What is NPSH and why does it matter?

A: Net Positive Suction Head (NPSH) prevents cavitation in pumps:

• NPSH Required: Minimum pressure needed by the pump (provided by the manufacturer)
• NPSH Available: Actual pressure available at the pump suction (calculated for your system)
• Rule: NPSH Available must exceed NPSH Required by at least 0.5 meters

Poor NPSH causes cavitation, leading to noise, vibration, and pump damage.

Installation & Maintenance

Q: What are the basic installation requirements?

A: Key installation requirements include:

• Foundation: Rigid, vibration-free mounting
• Alignment: Proper shaft alignment between the pump and the motor
• Piping: Adequate pipe sizing with proper support
• Electrical: Correct voltage, phase, frequency, and protection
• Ventilation: Adequate cooling for the motor
• Access: Space for maintenance and service
• Priming: Proper priming procedures for centrifugal pumps

Q: How often should I perform maintenance?

A: Maintenance frequency depends on operating conditions:

• Daily: Visual inspection, check for leaks or unusual noise
• Weekly: Check vibration levels, bearing temperature
• Monthly: Inspect mechanical seals, check alignment
• Quarterly: Oil changes, electrical connections inspection
• Annually: Complete overhaul, replace wear parts as needed
• As needed: Based on operating hours and conditions

Q: What are common signs that my pump needs service?

A: Watch for these warning signs:

• Decreased flow or pressure
• Unusual noise or vibration
• Overheating motor
• Excessive power consumption
• Leakage from seals or gaskets
• Cavitation sounds
• Frequent tripping of the electrical protection

Contact our service team immediately if you notice any of these symptoms.

Q: Do you provide spare parts and service support?

A: Yes, we maintain comprehensive spare parts inventory and provide:

• Genuine replacement parts for all our pump models
• Technical support via phone, email, and online chat
• Service manuals and troubleshooting guides
• Training programs for maintenance personnel
• Field service through our authorized service network
• Emergency support for critical applications

Warranty & Quality

Q: What warranty do you offer on your pumps?

A: We offer comprehensive warranty coverage:

• Standard warranty: 12-18months from delivery date
• Extended warranty: Available for specific applications
• Coverage includes: Manufacturing defects, material failures
• Exclusions: Normal wear items, misuse, improper installation
• Global support: Warranty service available worldwide through our network

Q: How do you ensure product quality?

A: Our quality assurance process includes:

• ISO 9001 certified quality management system
• Incoming material inspection for all components
• In-process quality control at every manufacturing stage
• Final testing of every pump before shipment
• Performance testing to verify specifications
• Continuous improvement based on customer feedback

Q: What testing do you perform on your pumps?

A: Every pump undergoes rigorous testing:

• Hydrostatic pressure testing for casing integrity
• Performance testing to verify flow and head curves
• Vibration analysis to ensure smooth operation
• Electrical testing for motor and controls
• Endurance testing for critical applications
• Third-party testing when required by specifications

Ordering & Delivery

Q: How do I place an order?

A: You can place orders through multiple channels:

• Online inquiry form on our website
• Direct contact with our sales team
• Authorized distributors in your region
• Technical consultation for complex applications
• Custom quotation for OEM/ODM projects

Q: What information do I need to provide for a quotation?

A: For accurate quotation, please provide:

• Application details (what you're pumping, where)
• Performance requirements (flow rate, head, pressure)
• Installation conditions (suction lift, ambient temperature)
• Fluid properties (water, chemicals, temperature, viscosity)
• Power supply (voltage, frequency, phase)
• Quantity and delivery requirements
• Special requirements or certifications needed

Q: What are your typical delivery times?

A: Delivery times vary by product type and location:

• Southeast Asia (from local stock): 1-2 weeks for standard models
• Southeast Asia (special orders): 3-4 weeks
• Other Asian markets: 2-4 weeks for standard models
• Europe/Americas: 4-6 weeks for standard models
• Modified standard models: 4-6 weeks (all regions)
• Custom designs: 6-12 weeks (all regions)
• Rush orders: Available with premium pricing through our regional network
• Local emergency service: Same-day/next-day delivery available in Thailand, Vietnam, and Indonesia

Q: Do you ship internationally?

A: Yes, we provide global shipping with enhanced coverage through our international network:

• Direct shipping from Taiwan and China manufacturing facilities
• Regional distribution through our Southeast Asian branches (Thailand, Vietnam, Indonesia)
• Local stock available in Thailand, Vietnam, and Indonesia for faster delivery
• Expanding network with planned openings in additional countries
• Experienced export team handling international logistics
• Proper packaging for international shipping
• Documentation support for customs clearance
• Insurance coverage for shipments
• Tracking information provided for all orders
• Local distributor network for faster delivery and support

Q: What are your delivery times for different regions?

A: Delivery times vary by region and product availability:

• Southeast Asia (Thailand, Vietnam, Indonesia): 1-2 weeks from local stock, 3-4 weeks for special orders
• Other Asian markets: 2-4 weeks from Taiwan/China facilities
• Europe/Americas: 4-6 weeks for standard models
• Custom designs: 6-12 weeks regardless of location
• Emergency orders: Rush service available through our regional network
• Local stock items: Same-day or next-day delivery in Thailand, Vietnam, and Indonesia

Environmental & Efficiency

Q: How energy-efficient are your pumps?

A: We prioritize energy efficiency through:

• High-efficiency impeller designs using CFD analysis
• Premium efficiency motors meeting IE3/IE4 standards
• Variable frequency drives for optimal energy consumption
• Optimized hydraulic designs to minimize losses
• Right-sizing guidance to avoid oversized pumps
• Energy audits for existing installations

Q: Are your pumps environmentally friendly?

A: Yes, we're committed to environmental responsibility:

• Lead-free materials in potable water applications
• Recyclable materials used where possible
• Energy-efficient designs reduce carbon footprint
• Minimal packaging with recyclable materials
• Long service life reduces replacement frequency
• Compliance with environmental regulations (RoHS, REACH)

Q: Do you offer variable speed drives?

A: Yes, we provide VFD solutions that offer:

• Energy savings up to 50% in variable flow applications
• Soft starting to reduce electrical demand
• Process control for precise flow and pressure regulation
• Extended equipment life through reduced mechanical stress
• Integrated controls with pump protection features
• Remote monitoring capabilities for smart systems

Contact & Support

Q: How can I contact technical support?

A: Multiple ways to reach our technical team globally:

Global Headquarters (Taiwan):

• Phone: +886-3-371-3969 
• Email: info@hungpump.com

Q: Do you provide training for pump operation and maintenance?

A: Yes, we offer comprehensive training programs:

• On-site training at your facility
• Factory training at our Taiwan facility
• Online training modules and webinars
• Maintenance workshops for technical personnel
• Certification programs for service technicians
• Custom training for specific applications

Q: Where can I find technical documentation?

A: Technical resources are available through:

• Product catalogs with full specifications
• Installation manuals with step-by-step procedures
• Operation guides for safe and efficient use
• Maintenance schedules and procedures
• Parts lists with exploded views
• Performance curves for all models
• CAD drawings for system design

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Still Have Questions?

If you couldn't find the answer to your question, please don't hesitate to contact us:

Email: info@hungpump.com

Phone:+886-3-371-3969