PVDF One-Way Check Valve – Acid, Alkali & High Temp Resistant

Shipping Information

Free Standard Shipping
We offer free standard shipping on all orders. Delivery time is approximately 10-25 business days, depending on your location and carrier performance. Tracking information will be provided once your order is shipped.

Express Shipping Available
Need your order faster? We offer express shipping with delivery in 4-7 business days. Express shipping fees are calculated based on your specific shipping address. To arrange express shipping, please contact our customer service team at beeplastic@beeplastic.com or via WhatsApp before placing your order. Our team will confirm the express shipping cost and process your request.

Processing Time
Standard items: Ships within 1-3 business days
Custom items: Requires 7-10 days production time before shipping

Returns & Refunds Policy

Important Notice: Returns are accepted ONLY for products with quality defects. Non-defective items cannot be returned or refunded.

Standard Items (Non-Customized Products)
Standard items without quality defects are not eligible for return or refund. If you receive a standard item with manufacturing defects or quality issues, you may request a return or replacement within 30 days of receipt.

Custom Items (Made-to-Order Products)
All customized products are NON-RETURNABLE and NON-REFUNDABLE under any circumstances. This includes any items manufactured according to your specific dimensions, shapes, quantities, or specifications. Please carefully verify your requirements before placing a custom order.

Quality Defects - How to Report
If you receive a product with quality defects, please contact us within 7 days of receipt at beeplastic@beeplastic.com. Include your order number, clear photos or videos showing the defect, and a description of the problem. Our quality team will review your case within 24 hours and provide a solution (replacement or refund) if the defect is confirmed.

Damaged During Shipping
Please inspect your order immediately upon delivery. If items are damaged during transit, contact us within 48 hours with photos of the damaged items and packaging. We will arrange a free replacement or full refund at no cost to you.

Non-Returnable Items
The following items cannot be returned: All custom-made products, items without quality defects, products damaged due to improper use or storage, and items returned without prior authorization from our team.

Refund Process
For approved returns, refunds will be processed within 10-15 business days after we receive and inspect the returned item. Refunds will be credited to your original payment method. Please allow an additional 5-7 business days for your bank or credit card company to process the refund. You will receive email confirmation once the refund is issued.

EU 14-Day Cooling-Off Period
For non-customized items shipped to EU countries, you have the right to cancel within 14 days of receipt under EU consumer protection laws. However, this right applies only to items with quality defects. Custom-made items remain non-returnable under all circumstances, as permitted by EU regulations for personalized goods.

Contact Us

For any questions about shipping or returns, please contact our customer service team:
Email: beeplastic@beeplastic.com
Response Time: Within 12 hours

We are committed to ensuring your satisfaction and will work with you to resolve any issues promptly and professionally.

Can't Find the Right Size or Specification?

If our standard products don't match your requirements, we offer comprehensive custom fabrication services. Whether you need a specific dimension, unique shape, different thickness, or special material grade - we can manufacture it to your exact specifications.

Our Custom Capabilities

Precision Machining:

CNC machining, laser cutting, drilling, milling, and turning with ±0.03mm tolerance. Suitable for complex geometries and tight specifications.

Size Range:

Thickness: 0.5mm - 300mm

Maximum dimensions: 2000mm × 3000mm

Custom shapes: Round, square, rectangular, irregular profiles, holes, cutouts, and complex contours

Available Materials:

HDPE, PTFE, POM, Nylon, PEEK, ABS, PC, PMMA, PP, PVC, and more. Food-grade, conductive, anti-static, and flame-retardant options available.

Processing Methods:

CNC machining, laser cutting, injection molding, thermoforming, welding, and bonding. Multiple finishing options including polishing, sandblasting, and color matching.

Why Choose Custom Fabrication?

Perfect Fit: Parts manufactured to your exact specifications eliminate the need for modifications or adaptations.

No Minimum Order: Whether you need 1 piece for testing or 10,000 pieces for production, we accommodate all order sizes.

Cost Savings on Volume: Bulk custom orders receive 15-30% discount compared to purchasing multiple standard items.

Expert Technical Support: Our engineering team provides free consultation on material selection and design optimization.

Custom Order Process

Step 1: Contact us with your requirements - dimensions, material preferences, quantity, and application details. Technical drawings (PDF, CAD, DWG) are helpful but not required.

Step 2: Receive a detailed quotation within 24 hours including pricing, production lead time, and technical recommendations.

Step 3: Approve the quote and specifications. For complex projects, we can provide samples for testing before full production.

Step 4: Production begins. Typical lead time is 7-15 days depending on complexity and quantity.

Step 5: Quality inspection and shipping. Every custom piece undergoes strict dimensional checks before delivery.

Industries We Serve

Automotive components, food processing equipment, medical devices, laboratory instruments, packaging machinery, semiconductor equipment, industrial automation, and more.

Get Your Custom Quote Today

Don't see the exact size or specification you need? Let us manufacture it for you.


Contact us: beeplastic@beeplastic.com

Response time: Quote within 24 hours

What to include: Material type, dimensions, quantity, and intended application. If you have technical drawings, please attach them. If not, simply describe what you need and our team will assist you.


Not sure about material selection or specifications? No problem - our technical team will guide you through the process and recommend the best solution for your application.