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🔄 Looking for the fittings to match these seals? Check out our full range of Heavy-Duty UPVC Tank Bulkheads.
Ensure a 100% watertight seal on all your custom plumbing projects with our Premium Silicone Gaskets from Atradesen.com. Specifically designed for aquarium bulkheads, water tanks, and threaded joints, these high-elasticity flat washers drastically outperform standard rubber seals, offering maximum leak protection and longevity without hardening over time.
Our sizes are listed as: Inner Diameter (I.D) × Outer Diameter (O.D) × Thickness. Please read the Atradesen.com fitment rules carefully:
Thank you for your interest in Atradesen.
We specialize in high-quality hardware fittings, PVC & UPVC pipe fittings, aquarium accessories, irrigation components, water filtration products, and industrial supplies.
Whether you are purchasing a single item, placing a bulk order, or looking for OEM manufacturing, our professional sales team is ready to provide you with the most competitive quotation.
Why Request a Quote?
✔ Competitive Factory Pricing
✔ Wholesale & Distributor Discounts
✔ OEM & ODM Manufacturing
✔ Fast Worldwide Shipping
✔ Professional Technical Support
✔ Response Within 24 Business Hours
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https://atradesen.com/products/premium-upvc-dual-connection-compact-ball-valve-20-63mm-space-saving-slip-spigot-flow-control-aquarium-plumbing
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Atradesen is committed to providing reliable products and professional services to customers worldwide.
We work with wholesalers, distributors, retailers, contractors, aquarium stores, hardware stores, irrigation suppliers, and industrial buyers.
Our advantages include:
• Factory Direct Pricing
• Strict Quality Control
• OEM & ODM Manufacturing
• Fast Global Shipping
• Professional Customer Support
• Flexible Order Quantities
• Secure Online Shopping
Our sales team usually replies within 24 business hours.
Yes.
We provide special pricing for wholesalers, distributors, retailers and bulk purchases.
Yes.
OEM and ODM services are available.
Custom logo, packaging and product modifications are supported.
MOQ depends on the product.
Please contact us for detailed information.
We ship worldwide.
Shipping methods include DHL, UPS, FedEx, EMS, Air Freight and Sea Freight.
Atradesen
Website
Phone
+86-152-6063-0787
+86-152-6062-9033
Business Hours
Monday – Friday
09:00 – 18:00 (UTC+8)
Thank you for choosing Atradesen.
We appreciate your inquiry and look forward to building a long-term business relationship with you.
Our goal is to provide reliable products, competitive pricing and excellent customer service for customers around the world.
✅ Standard Shipping: $25 for orders below $300
🎉 Free Shipping: Orders of $300+
📦 Processing Time: 1–3 Business Days
🇺🇸 United States
Free Shipping: 5–7 Business Days
Standard Shipping: 7–15 Business Days
🌎 International Shipping
Free Shipping: 5–8 Business Days
Standard Shipping: 8–15 Business Days
📍 Tracking number provided for every shipment
🔒 Secure packaging protects products during transportation
We want every customer to receive reliable and quality products.
✅ 30-Day Return Policy
Products can be returned within 30 days after delivery if they meet return conditions.
✅ Product Quality Support
If products arrive damaged, defective or incorrect, please contact us for assistance.
✅ Business Order Support
For wholesale and bulk orders, our team provides professional after-sales solutions.
*Return conditions may vary for customized OEM products.
🏭 Factory Direct Supply
Direct sourcing from experienced manufacturers with competitive pricing.
🔍 Quality Inspection
Products are inspected before shipment to ensure reliable performance.
⚙️ OEM & Custom Solutions
Customized sizes, colors, packaging and specifications are available.
🌎 Global Business Support
Supporting distributors, retailers and industrial customers worldwide.
✅ Reliable Materials & Manufacturing Standards
Designed for long-term use in plumbing, aquarium, irrigation and industrial applications.
