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- Pre-shipment inspection
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Sourced by GoodsFromChina
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Custom Butterfly Valve Disc Stem CNC Machining Factory Supplier
Marine Pumps — Voltage 24V, Flow Rate 3501-4500GPH. MOQ 50 pieces, US$100.00 – 300.00/piece. Verified factory; QC & shipping by GoodsFromChina.
- Voltage
- 24V
- Certification
- EMC, ISO9001:2008, RoHS, ISO9001:2000, CE
- Warranty
- 1 Year
- After-sales Service
- Available
- Flow Rate
- 3501-4500GPH
- Rated Current
- 16-21A
At a glance
- Product
- Custom Butterfly Valve Disc Stem CNC Machining Factory Supplier
- Category
- Marine Pumps
- Price
- US$100.00 – 300.00 / piece
- Minimum order
- 50 pieces
- Origin
- Hubei, China
- Customization
- Available
- Certification
- EMC, ISO9001:2008, RoHS, ISO9001:2000, CE
- Packaging
- Pallet or Wood Case, Customized
- HS code
- 8481901000
Last updated
Specifications
| Customization | Available |
|---|---|
| After-sales Service | Available |
| Warranty | 1 Year |
| Model NO. | butterfly valve |
| Flow Rate | 3501-4500GPH |
| Rated Current | 16-21A |
| Certification | EMC, ISO9001:2008, RoHS, ISO9001:2000, CE |
| Voltage | 24V |
| OEM Custom | Available |
| ODM Custom | Available |
| Drawing Format | CAD / Pdf/ Dwg/ Igs/ Step |
| Packing | Standard Package/ as Per Customized |
| Transport Package | Pallet or Wood Case, Customized |
| Specification | Alloy |
| Origin | Hubei, China |
| HS Code | 8481901000 |
| Production Capacity | 1000pieces/Month |
| Package Size | 1000.00cm * 100.00cm * 100.00cm |
| Package Gross Weight | 20.000kg |
| CNC turning and milling in a single setup from bar stock | outer diameter, steps, sealing section, threads, keyway, square head/flat square, and valve plate connection section. |
| Genuine Material Processing | We guarantee that the material matches the specifications in the drawings, strictly prohibit the use of inferior materials, and can provide material certificates. |
| Precision Guarantee | Full dimensional inspection; non-conforming products are not shipped. |
| Quick Response | Quotes provided within 24 hours; rush orders can be prioritized inproduction scheduling. |
| One-Stop Service | Integrated end-to-end process covering machining, heat treatment, and surface finishing-eliminating the need for customers to coordinate with multiple parties. |
| Data Confidentiality | Strict confidentiality of customer drawings and models; NDAs available upon request. |
| Suggested Annotations | Material grade, critical dimensions & tolerances, surface finish requirements, quantity & lead time. |
| Rust Prevention | Anti-rust oil applied to all metal parts |
| Inner Sealing | Vacuum-sealed plastic film with desiccant packs |
| Cushioning | Custom EPE foam filling for shock absorption |
| Outer Reinforcement | Export-grade wooden crates or steel frames |
| Material Categories | Grade | Properties and Typical Applications |
|---|---|---|
| Stainless steel | 304, 316, 316L, CF8, CF8M | Corrosion-resistant; the preferred material for valve discs and stems in general-purpose butterfly valves; 316L offers better resistance to chloride ions than 304 |
| Duplex stainless steel | 2205 (A890 4A), 2507 (A890 5A) | High strength + excellent resistance to chloride-induced stress corrosion; suitable for seawater butterfly valves and harsh chemical service conditions |
| Austenitic stainless steel | 904L, 254SMO (6Mo steel) | Extreme corrosion resistance; suitable for butterfly valves in strong acids and highchloride media |
| Precipitation-hardening stainless steel | 17-4PH (630) | Tensile strength ≥ 1310 MPa after heat treatment; suitable for high-pressure butterfly valve stems, capable of withstanding high torque without failure |
| Martensitic stainless steel | 420, 440C, 1.4021 | HRC 50–58 after quenching; high hardness and wear resistance; suitable for valve stems and sealing surfaces in media containing particles |
| Carbon steel/Alloy steel | WCB, 45#, 40Cr, 42CrMo | Cost-effective; suitable for water supply and drainage butterfly valves; surface plating or coating provides corrosion resistance |
| Copper alloy | Aluminum bronze C95400, tin bronze | Resistant to seawater corrosion and marine biofouling; non-magnetic; used for marine butterfly valve discs |
| Titanium alloy | TC4, TA2 | Absolutely corrosion-resistant, lightweight, suitable for butterfly valves handling highly corrosive or high-purity media |
| Duplex stainless steel + hardfacing | 2205 matrix + Stellite alloy | Corrosion-resistant matrix with a high-hardness Stellite overlay on the sealing surface, providing both corrosion resistance and wear-resistant sealing |
Product details
Custom Butterfly Valve Disc Stem CNC Machining Factory Supplier is a marine pump product manufactured in China and available to buyers worldwide through the GoodsFromChina sourcing service.
Key features
- Voltage: 24V
- Certification: EMC, ISO9001:2008, RoHS, ISO9001:2000, CE
- Warranty: 1 Year
- After-sales Service: Available
- Flow Rate: 3501-4500GPH
- Rated Current: 16-21A
- OEM Custom: Available
- ODM Custom: Available
CNC turning and milling in a single setup from bar stock
outer diameter, steps, sealing section, threads, keyway, square head/flat square, and valve plate connection section.
Genuine Material Processing
We guarantee that the material matches the specifications in the drawings, strictly prohibit the use of inferior materials, and can provide material certificates.
One-Stop Service
Integrated end-to-end process covering machining, heat treatment, and surface finishing-eliminating the need for customers to coordinate with multiple parties.
Suggested Annotations
Material grade, critical dimensions & tolerances, surface finish requirements, quantity & lead time.
Ordering & packaging
Minimum order quantity is 50 pieces. Standard export packaging: Pallet or Wood Case, Customized. HS code: 8481901000. Every order can include a pre-shipment quality inspection and consolidated shipping by sea, air or express, including DDP delivery.
How we source this product for you
- 1
Send your inquiry
Choose options, quantity and requirements. No payment needed.
- 2
Get a factory quote
We confirm price, MOQ and lead time — and compare alternatives.
- 3
Production & inspection
We follow up production and inspect goods before shipment.
- 4
Delivered to your door
Sea, air or express with customs clearance and DDP options.
Frequently asked questions
What is the minimum order quantity for Custom Butterfly Valve Disc Stem CNC Machining Factory?
The MOQ is 50 pieces. Smaller trial orders can sometimes be negotiated — tell us your quantity in the inquiry.
How much does Custom Butterfly Valve Disc Stem CNC Machining Factory cost?
The listed factory price is US$100.00 – 300.00 per piece, depending on quantity. Your final quote includes our service fee and shipping options.
Can it be customized with my logo or specifications?
Yes. The manufacturer offers customization — logo printing, packaging, colors or modified specifications. Describe your requirements in the inquiry form.
How long does production and shipping take?
Typical production time is 15–45 days depending on quantity. Shipping to the US takes about 5–8 days by express, 8–12 days by air and 25–40 days by sea, with DDP door-to-door delivery available.
How do you check product quality?
We verify the manufacturer before ordering and can perform a pre-shipment inspection (AQL sampling) with a photo report before you pay the balance.





















