Stop risking catastrophic failures and regulatory fines. Our ASME/CE-certified LPG safety valves deliver uncompromising overpressure protection, direct from our factory to your facility.
Get Free Quote & Shipping Estimate in 24 Hours →✓ Free samples for qualified OEMs | ✓ Bulk orders | ✓ Worldwide shipping
For LPG storage, transfer, and processing systems, a safety valve failure is not just a maintenance issue—it is a business-ending liability. Yet many purchasing managers unknowingly expose their operations to severe risks by prioritizing price over certified quality.
Substandard valves can seize, leak, or fail to open at set pressure, leading to tank ruptures, fires, and explosions. A single incident can cost millions in damages and lives.
OSHA, ASME B16.34, UL 144, and CE standards exist for a reason. Non-certified valves result in failed inspections, plant shutdowns, and fines exceeding $100,000.
Leaking valve seats and premature corrosion force emergency replacements. Every hour of unplanned downtime in a processing plant costs an average of $10,000–$50,000.
Long lead times (12–20 weeks), inconsistent quality across batches, and poor after-sales support create constant procurement headaches.
With over 15 years of valve manufacturing experience and a dedicated engineering team, Ningjin Thriveon Valve Co., Ltd. delivers LPG safety valves that meet the highest global standards—at direct factory prices.
Powerful Factory
500,000+ valves annual output capacity. 20+ CNC machining centers. Vertical integration ensures strict quality control from raw material to finished product.
Certified Quality Assurance
100% hydrostatic testing on every valve. ISO 9001, CE/PED, and ASME B16.34 compliant. Full material traceability with mill certificates provided.
OEM/ODM & Fast Delivery
Custom pressure settings, end connections, and materials. Lead times as fast as 15 days for standard orders; 30–45 days for full container loads.
| Parameter | Available Options |
|---|---|
| Valve Type | Spring-loaded Pressure Relief Valve, Excess Flow Valve, Emergency Shutoff Valve |
| Size Range | 1/2" to 12" (DN15 to DN300) |
| Pressure Class | 150LB, 300LB, 600LB (PN16 to PN100) |
| Set Pressure Range | 15 psi to 600 psi (custom setting available) |
| Body Materials | WCB, CF8 (304), CF8M (316), LCB (Low Temp Carbon Steel) |
| Trim Materials | 316 Stainless Steel, Monel, Hastelloy |
| End Connections | Flanged (ASME B16.5, EN 1092), Threaded (NPT, BSP), Socket Weld, Butt Weld |
| Certifications | ISO 9001, CE/PED, ASME B16.34, ATEX (optional), SIL (optional) |
Trusted by LPG professionals across 30+ countries:
"Thriveon's LPG safety valves helped us pass a surprise OSHA inspection with zero non-conformances. Their certification documentation was thorough and instantly accepted."
– Michael T., Safety Manager, Texas LPG Terminal (USA)
"We switched to Thriveon for our LPG cylinder filling plant valves. They customized the set pressure to our exact specs. Lead time was 18 days—not 18 weeks."
– Ahmed R., Procurement Director, Riyadh Gas Solutions (Saudi Arabia)
Certifications: ISO 9001:2015 | CE/PED | ASME B16.34 | UL 144 (Pending) | ATEX (Optional)
A: Our LPG safety valves are designed and tested to comply with ASME B16.34, CE/PED (European Pressure Equipment Directive), ISO 9001:2015, and relevant sections of UL 144. We provide full certification packages with every bulk order, including material mill certificates, hydrostatic test reports, and a certificate of conformance.
A: Absolutely. Our engineering team can customize the spring range, set pressure (from 15 psi to 600 psi), and blowdown characteristics to match your exact system requirements. This is part of our standard OEM/ODM service—no minimum quantity restrictions for custom orders.
A: For standard size valves (1/2" to 4"), our MOQ is 50 pieces per size. For larger valves (6" to 12"), the MOQ is 10 pieces. We also offer sample orders (1–5 pieces) for pre-qualification and testing—just cover the shipping cost.
A: We use PTFE gaskets and graphite packing for superior sealing. Every valve undergoes a 100% hydrostatic shell test and a 100% pneumatic seat leakage test before leaving our factory. For fugitive emissions control, we offer optional bellows seal designs and comply with ISO 15848 standards.
A: For a standard 20ft container of LPG safety valves, our lead time is 30–45 days. For a 40ft container, it is 45–60 days. Expedited production (15–25 days) is available for urgent projects. We ship via FOB Tianjin, CIF, or DDP depending on your logistics preference.
A: Yes, we offer free samples to qualified buyers (engineering firms, EPC contractors, and distributors). The buyer pays for shipping. We can also arrange a video factory inspection or welcome you to our facility in Ningjin, Hebei, China.
A: We provide a standard 18-month warranty from the date of shipment against manufacturing defects in materials and workmanship. Extended warranties (up to 36 months) are available upon request. Our after-sales team responds to any technical queries within 24 hours.
"We replaced our previous supplier with Thriveon. Their LPG safety valves are better built, fully certified, and 37% cheaper. Shipping was only 12 days to Miami. Highly recommend."
★★★★★
"Working with Thriveon on our OEM LPG valve line has been outstanding. Their engineering team understood our requirements immediately and delivered custom prototypes in 3 weeks."
★★★★★
"Thriveon helped us reduce our valve procurement costs by 28% while maintaining top-tier ASME quality. Their logistics team handled the CIF shipping to Durban seamlessly."
★★★★★Upgrade to certified LPG safety valves with direct factory support. Get a custom quote within 24 hours—including pricing, lead time, and free samples for qualified buyers.
⚡ Limited-Time Offer: Free sample shipping for the first 10 OEM inquiries this month.
📞 Contact us directly: +86-311-86935302 | ✉️ info@thriveonvalve.com
✅ Risk-free: 100% QC inspection | 18-month warranty | Money-back guarantee on defects
Senior Valve Engineer & International Trade Lead
Alex has 15+ years of experience in industrial valve design, manufacturing, and global compliance (ASME, CE, API). He leads the engineering team at Ningjin Thriveon Valve Co., Ltd., helping B2B buyers source high-quality valves at competitive direct-factory prices.
🔹 Valve Design Expert 🔹 ASME/CE Specialist 🔹 Global Supply Chain
Ningjin Thriveon Valve Co., Ltd. | South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei Province, China
📞 +86-311-86935302 | ✉️ info@thriveonvalve.com | 🌐 www.thriveonvalves.com
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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 
