Duplex Stainless Tubes:
ASTM A789 (ASME SA789) General purpose seamless and welded ferritic/austenitic stainless steel pipe
ASTM A790 (ASME SA790) Seamless and welded ferritic/austenitic stainless steel nominal pipe
GB/T 21833-2008 Austenitic - ferrite grades duplex stainless steel seamless steel tube
Duplex stainless steel tube/super duplex stainless steel tube is composed by and phrase organization of
the austenitic and ferritic about half and half of the proportion. For It possessed both austenite and ferrite
stainless steel characteristics, so it owns high strength and corrosion resistance of stainless steel. Usually,
in the case of low carbon content of C, Cr content is about 18% ~ 28%, Ni content is about 3%-10%, Some
steel contain Mo, Cu, Nb, Ti, N and other alloy elements.Compared with ferrite, plasticity and toughness is higher
, there is no room temperature brittleness, intergranular corrosion resistance and welding performance were
significantly increased, while maintaining a ferritic stainless steel of 475 ℃ brittleness and high thermal conductivity,
it has the characteristic of superplasticity. Compared with austenitic stainless steel, the yield strength increased
significantly, the resistance to intergranular corrosion, stress corrosion and corrosion fatigue and abrasion
performance improved significantly.
Stainless Steel Tubes,Duplex Stainless Tubes,Duplex Stainless Pipes,2205 Duplex Steel Pipes Ningbo Huijie Steel Pipe Manufacturing Co.,Ltd , https://www.hjbearingtube.com
**Water Irrigation Pump - SEAFLO 4.5GPM 40PSI 12V DC Mini Solar Pump**
**Model NO.:** SFDPA2-045-040-41
**Ground Drainage and Irrigation Machinery Type:** Pumping Irrigation
**Certification:** ISO9001:2008, CE, RoHS, REACH
**Condition:** New
**Application Field:** Agriculture, Yacht, RV, Caravan, Pressurized Water Systems
**Valve:** Viton
**AMPS:** 15.0A Max
**Product:** Solar Pump
**Duty Cycle:** Intermittent
**Diaphragm:** Santoprene
**Pressure:** 40psi / 2.8bar
**Port Dimension:** Quick Attach
**Motor Type:** 12V DC Permanent Magnet, Totally Enclosed, Non-Vented
**Protection:** Thermal/Ignition Protection
**Trademark:** SEAFLO
**Transport Package:** 1PC/Inner Color Box; 10PCS/CTN
**Specification:** CE, ROHS, ISO 9001:2008, GMS, SGS
**Origin:** Fujian, China
**HS Code:** 8413509090
This **SEAFLO 4.5GPM 40PSI 12V DC Mini Solar Pump** is ideal for a wide range of applications, including agriculture, yacht, RV, caravan, and pressurized water systems. It's also suitable for sprayer fixtures, food beverage filling, and any other pressurization system.
### How a Diaphragm Pump Works
The pump is driven by an AC or DC motor. In front of the motor is a valve assembly containing two to five valve pump chambers. Each chamber has a diaphragm behind it in the lower pump housing. As the motor shaft turns, an internal cam causes the diaphragms to move forward and backward, creating suction that pulls fluid through the inlet and out through the outlet. The flow rate depends on factors like the number and size of the pump chambers, cam offset, operating pressure, and fluid viscosity.
### Key Features
- **Housings:** Polypropylene
- **Valves:** Viton/EPDM
- **Diaphragm:** Santoprene
- **Fasteners:** Stainless Steel
- **Motor Shell:** Coated Steel
- **Motor Voltage:** 12V / 24V DC
- **Type:** 4 Chamber Diaphragm Pump, Self-Priming, Dry-Run Capable
- **Mode:** Demand
- **Certifications:** CE Approved
- **Liquid Temperature:** Up to 140°F (60°C)
- **Priming Capabilities:** 6 Feet (1.8 m)
- **Max Pressure:** 40psi (2.8bar)
- **Max Flow Rate:** 17lpm (4.5gpm)
- **Thermal Overload Protection:** Starts working when temperature reaches 90°C (+/-10%)
- **Inlet/Outlet Ports:** 10/13mm pyramid hose barb, 13mm angle hose barb, 1/2 NPT thread filter available
- **Duty Cycle:** Intermittent (varies with pressure)
- **Motor Options:** 2-pin connector, On/off switch
### Standard Pump Configurations
| Model | Switch | GPM/LPM | PSI/BAR | Max Draw(A) | Valves | Diaphragm | Ports | Voltage | Wire Connections |
|------------------|--------|---------|---------|-------------|----------|---------------|---------------|---------|------------------|
| SFDPA1-045-040-41| Demand | 4.5/17.0| 35/2.4 | 1.7 | Viton | Santoprene | Quick Attach | 12V | 2-Pin/Leads |
| SFDPA2-045-040-41| Demand | 4.5/17.0| 35/2.4 | 0.9 | Viton | Santoprene | Quick Attach | 24V | 2-Pin/Leads |
| SFDP1-045-040-41 | Demand | 4.5/17.0| 40/2.8 | 15 | Viton | Santoprene | Quick Attach | 12V | 2-Pin/Leads |
| SFDP2-045-040-41 | Demand | 4.5/17.0| 40/2.8 | 6 | Viton | Santoprene | Quick Attach | 24V | 2-Pin/Leads |
*Consult factory for other available models.*
### Shipping Information
- **Unit Pump Weight:** 2.43 kg
- **Selling Unit Size (L x W x H):** 35.0 x 13.0 x 11.0 cm
- **Selling Unit Weight:** 2.72 kg
- **Master Carton Size (L x W x H):** 67.0 x 32.5 x 25.5 cm
- **Master Carton Qty:** 10
- **Master Carton Weight:** 28.1 kg
### FAQ
**1. What is your MOQ?**
Our standard MOQ is 100 pieces, but we can accommodate small orders (10–50 pieces) for new customers for sample testing.
**2. What about the delivery time?**
Delivery time depends on order quantity. Typically, it takes 15–25 days after receiving a 30% T/T deposit. Sample orders can be delivered within 7 days.
**3. Can I buy different types in one container?**
Yes, you can mix different models in one container.
**4. Do you have overseas agents?**
Yes, we have agents in many countries, including Denmark, UK, USA, Yemen, Australia, Lebanon, Turkey, Spain, and South Korea. We welcome overseas agents!
**5. Do you accept OEM/ODM?**
Yes, we are an OEM supplier for well-known brands such as WALMAT.
**6. What is your payment terms?**
T/T: 30% deposit, balance against B/L copy.
**7. What is your warranty?**
We offer a 5-year warranty, and we respond to customer issues within 24 hours.
**8. What is your port of loading?**
Fuzhou & Xiamen Port.
This reliable and efficient solar pump is perfect for agricultural irrigation, marine use, and more. Whether you're looking for a single unit or bulk order, we provide high-quality products with excellent support. Let us help you find the right solution for your needs.