Reduce unplanned downtime and maintenance costs by up to 37% with our industrial-grade vented ball valves. Designed for water, oil, gas, and chemical applications, our valves automatically release trapped air while preventing leakage. Perfect for procurement managers and technical directors seeking a reliable, cost-effective alternative to expensive European brands.
✅ 1,200+ projects in USA | ✅ ISO 9001 / CE certified | ✅ 10-day delivery guarantee
Our vented ball valve integrates a precision-machined vent port with a full-port ball design, automatically releasing trapped air without human intervention. Built in our Northern China factory (30,000m²), each valve is tested at 1.5x rated pressure before shipment.
In-house foundry and CNC machining center guarantee strict quality control. Lead times: 10-15 days (vs. industry average 30+ days).
Vent port size, end connections (flanged/threaded/socket weld), and materials (WCB, CF8, CF8M, Duplex) tailored to your specific PSI and temperature needs.
Every valve undergoes shell test, seat leakage test, and vent operation check. 2-year warranty on every unit.
| Parameter | Value |
|---|---|
| Size Range | 1/2" – 12" (DN15 – DN300) |
| Pressure Rating | Class 150 – Class 600 (PN10 – PN100) |
| Temperature Range | -40°F to 450°F (-40°C to 230°C) |
| Body Material | Carbon Steel A216 WCB / Stainless Steel A351 CF8/CF8M / Duplex |
| Seat Material | PTFE / RTFE / PEEK (high temp option) |
| Vent Port Size | 1/4" – 1" NPT (customizable) |
| End Connections | Flanged (ANSI B16.5), Threaded (NPT/BSPT), Socket Weld, Butt Weld |
| Vent Type | Auto air release / Manual bleed (operator-specified) |
| Certifications | ISO 9001:2015, CE PED 2014/68/EU, API 607 (on request) |
vented ball valves vented stainless steel ball valves valves ball valve
A vented ball valve incorporates a small port (usually 1/4"–1" NPT) on the top of the ball cavity. When the valve is in the closed position, the vent port aligns with the body cavity to release trapped air or excess pressure – preventing seat damage and ensuring smooth operation. Our design allows both manual and automatic air release.
Yes, up to Class 600 (approx. 1480 psi) with full-body material certification. We recommend our stainless steel series with PTFE seats for gas service. All valves are factory pressure-tested at 1.5x rating.
Our engineers typically recommend the vent port equal to 10% of the main bore diameter for fast air release. For example, a 4" valve generally uses a 1/2" vent. We provide free sizing consultation – just send your fluid type, pressure, and pipe size.
Standard sizes ship in 10-12 days. Custom material or special end connections take 15-18 days. Our factory runs 24/7 shifts to meet tight deadlines.
Absolutely. We provide free samples (you pay shipping) for 1-2 pieces. This allows your team to test fit, function, and material compatibility. Contact us with your specs.
2-year warranty covers manufacturing defects. If an issue arises, we ship replacement parts within 48 hours. Our technical team is available via WhatsApp/email 6 days a week.
“We replaced a German brand with Thriveon's vented ball valve on our deionized water line. Saved 40% per unit and the venting performance is identical – no more condensation problems.” Dave M., Maintenance Manager, Michigan
“Ordered 50 units for a gas distribution skid. The technical drawing matched exactly, and the surface finish was flawless. They even supplied 3.1 certificates without extra charge. Highly recommend.” Rita C., VP Procurement, Louisiana
“I was skeptical about a Chinese supplier but Thriveon's customer service changed my mind. They answered all my questions within an hour and shipped ahead of schedule. Valves are in service for 18 months – no leaks.” Jason T., Plant Engineer, Texas
“We use their vented ball valves for firewater deluge systems. The automatic air release feature ensures the lines are always full. Very robust construction. Will continue to buy.” Paul G., HSE Director, Ohio
Request your free sample and engineering drawing within 24 hours. Limited-time offer: First 10 samples ship free (USA only).
✅ No minimum order | ✅ 2-year warranty | ✅ 100% factory tested
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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 
Trusted by Over 150 Industrial Facilities in the USA
"Thriveon's vented ball valve solved our chronic air binding on booster pumps. We installed 12 units two years ago – zero failures. Their team even helped modify the vent port angle for tight clearance."
— Tom R., Senior Project Engineer, Colorado
Certifications & Compliance