Optimize your fluid system performance with our premium 1 inch double check valve, designed to prevent backflow and ensure system integrity. Trusted by operations managers and technical directors across English-speaking regions, our valves deliver durable, cost-effective solutions tailored to your industrial needs.
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You face several challenges when selecting a 1 inch double check valve for your operations:
For example, industry reports indicate that 37% of valve failures in fluid systems result from poor quality or improper specification, causing significant operational losses.
At Ningjin Thriveon Valve Co., Ltd., we provide a reliable, cost-effective 1 inch double check valve that addresses your key concerns:
| Parameter | Specification |
|---|---|
| Valve Size | 1 inch (DN25) |
| Material | Stainless Steel 304 / 316 |
| Pressure Rating | PN16 / Class 150 |
| Connection Type | Threaded (BSP/NPT) |
| Temperature Range | -20°C to 180°C |
| Standards | ISO 5208, API 594 |
Standard orders are shipped within 7-10 business days. OEM/ODM custom orders may require 15-20 days depending on specifications.
Yes, we offer OEM/ODM services including alternate stainless steel grades, coatings, and design adjustments to meet your system requirements.
We accept wire transfer (T/T), Letter of Credit (L/C), and secure online payments depending on order volume and customer location.
Our valves undergo rigorous testing according to API and ANSI standards and are certified under ISO 9001. We provide full documentation to support compliance audits.
We provide installation guidance, maintenance support, and a warranty period of 12 months. Our engineering team is available for technical assistance anytime.

Limited stock available for immediate shipment. Request a free sample to verify quality—no obligation. Benefit from our money-back guarantee if unsatisfied within 30 days.
Sarah L., Supply Chain Manager, South Africa
"Excellent quality valves with quick delivery. Reduced downtime by 35% thanks to Thriveon's reliable products and expert support."
James R., Technical Director, USA
"Their 1 inch double check valves meet our strict industry standards with excellent durability. The OEM customization was seamless."
Luca M., Operations Manager, Italy
"Competitive pricing combined with consistent quality made Thriveon our preferred valve supplier for two years running."
Phone: +86-311-86935302
Email: info@thriveonvalve.com
Address: South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China
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Call us on:
+86-311-86935302
+86-311-86935302
Email Us:
info@thriveonvalve.com
South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China
3. Trusted by Leading Industry Players & Certified for Global Markets
Our valves comply with key international certifications, including:
1-2-inline-check-valve 1-brass-check-valve
Explore more certifications and compliance info