This economizer coil is published with the manufacturer’s full specification — material Steel, type Boiler Tube. Made by Shandong Longsheng Biotechnology Co., Ltd. (9 years on the platform, typical reply ≤13h). For a binding price and lead time, send the volume you need and where it ships to.
Key Features of This Economizer Coil
- Material: Steel
- Place Of Origin: Shandong, China
- Type: Boiler Tube
- Weight (Kg): 1
- Single Gross Weight: 0.0 kg
- Machinery Test Report: Provided
Technical Specifications
| Type | Boiler Tube |
|---|---|
| Material | Steel |
| Machinery Test Report | Provided |
| Video Outgoing-Inspection | Provided |
| Weight (Kg) | 1 |
| Place Of Origin | Shandong, China |
| Brand Name | LSBiotech |
| Header(S) | with/without |
| Selling Units | Single item |
| Single Volume | 0 cm³ |
| Single Gross Weight | 0.0 kg |
Product Details
Product Name | Economizer for Boiler |
Structure Type | Tube Coil Serpentine Coil |
Tube Material | – Carbon Steel : 20#, 20G, A195, A-1 – Corten Class Low Alloy Steel : Corten Steel, ND Steel (09CrCuSb) – Alloy Steel : 15CrMoG, T11 |
Standard | China GB, ASME |
Manufacturer Grade | China A Grade, ABS Certificated, TUV Certificated |
Tube Type | – Bare Tube – Fin Tube |
Tube Specification | As per Customer requirements |
Tube Thickness | As per Customer requirements |
Working Pressure | 1.6 MPa ~ 13.2 MPa |
Working Temperature | depends on material |
Welding | Automatic GTAW (TIG) tube butt welding |
Welding NDT | Automatic RT 100% |






























Packing
Different packing methods are chosen depend on transportation type.


1. Plywood Protection


2. Plywood Box Packing


3. Steel Frame Packing


4. Steel Frame Packing


5. Steel Frame Packing


6. Steel Frame Packing
Q: How long is your delivery time?
A: General small equipment will be ready for shipment in 20-25 days if the materials are in stock, or in 35-40 days if the materials are not in stock.
Large equipment delivery time should be determined after technical discussion. Please contact our sales.
Q: Do you provide samples ? Is it free or extra ?
A: Yes, we could offer the sample tube or sample materials for free charge, but the cost of freight should be paid by Customer.
Q: What is your terms of payment ?
A: General small equipment, the 100% of contract price should be paid after signing. Alibaba third party guarantee is available.
Large equipment payment schedule, please contact our sales.
Q: How long is the warranty period?
A: General small equipment we guarantee 12 months from the date of shipment departure.
Large equipment warranty period is 12 months from the date of commissioning or 18 months from the date of shipment departure which occurs earlier.


Ordering and Pricing
- Minimum order quantity: 1 set
- Volume pricing:
- 1+ set: US $1000 / set
- Ships from: China
- Customization: OEM and ODM accepted on qualifying volumes.
Frequently Asked Questions
What is the minimum order quantity for this economizer coil?
The standard minimum order quantity is 1 set. Trial orders can usually be arranged for buyers evaluating the product before a full production run.
Do you accept OEM or custom branding?
Yes. Custom logo, colour, packaging and specification changes are accepted on qualifying order volumes. Send your artwork and technical requirements with your enquiry.
How long does production and delivery take?
In-stock configurations typically ship within 7–15 days. Customised or large-volume orders are usually produced in 25–35 days, confirmed on order.
About the Manufacturer
This product is produced by Shandong Longsheng Biotechnology Co., Ltd., based in China. The company 9 years as a verified Alibaba.com supplier, Trading Company. Browse the full Shandong Longsheng Biotechnology Co., Ltd. range on HVACR Nexus.
See more in Boiler Parts on HVACR Nexus.



















