Reduce valve-related downtime by up to 40% and cut procurement costs by 30-50% with our ISO 9001 certified, direct-acting pressure regulator. Built for plant engineers and procurement managers who refuse to compromise on quality or budget.
In high-stakes industrial environments, a faulty or inaccurate pressure regulator doesn't just hurt outputโit hurts your bottom line. Over the past decade, we've seen purchasing and technical teams repeatedly face the same critical challenges:
You need a partner who delivers precision engineering at a fair price, with global logistics you can trust.
Developed by our team of senior engineers with over 15 years of flow control expertise, the Roots Regulator B 42 is a direct-acting / pilot-operated pressure regulator engineered for the most demanding industrial gas, steam, and liquid applications. It is the perfect alternative to overpriced legacy models, offering identical or superior performance at a fraction of the cost.
Stable output pressure regardless of inlet fluctuations. Protects downstream boilers, burners, and blowers from damaging pressure spikes.
Direct factory pricing eliminates middlemen. High-quality manufacturing at China's competitive costs, without compromising on materials or tolerances.
Standard models ship in 2โ3 weeks. Dedicated production lines for the Roots Regulator B 42 ensure you meet your project deadlines.
Custom materials (CF8M, Monel, Hastelloy), special end connections, pressure ranges, and certified trim designs. Your specs, our engineering.
ISO 9001, CE, API 6D, and FDA-compliant options available. Full material traceability and hydrostatic test reports provided.
Strategic warehouses in Tianjin & Shanghai. Experienced in export paperwork for USA, Saudi Arabia, South Africa, and Italy.
| Parameter | Standard Configuration | Custom Options Available |
|---|---|---|
| Body Material | Ductile Iron (ASTM A536) / Stainless Steel (CF8M) | Carbon Steel (WCB), Bronze, Monel |
| Pressure Rating (Class) | ANSI 150 / ANSI 300 | PN10/16/25, ANSI 600 |
| Connection Size | 2" โ 12" Flanged (RF/FF) | 1/2" โ 24", Threaded (NPT/BSP), Grooved |
| Temperature Range | -20ยฐC to 200ยฐC (-4ยฐF to 392ยฐF) | -196ยฐC to 450ยฐC (Cryogenic / High-Temp) |
| Application Media | Natural Gas, Air, Water, Oil | Steam, Hydrogen, Oxygen, Corrosive Chemicals |
| Accuracy | ยฑ1% (Direct Acting) / ยฑ2% (Pilot Operated) | Custom set points and pressure ranges |
| Certifications | ISO 9001, CE Mark | API 6D, SIL, ATEX, FDA, GOST |
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* Datasheet with full dimensional drawings, Cv values, and torque specifications available on request.

Thriveon Valves is the preferred OEM/ODM partner for industrial giants and mid-size EPC contractors across the USA, Europe, and the Middle East.
โWe switched from a major American brand to Thriveon's Roots Regulator B 42 for our high-pressure steam lines. Not only did we save 42% on unit costs, but the delivery was 6 weeks faster. The technical documentation was flawless, making it easy for our engineering team to approve.โ
Don't let outdated suppliers dictate your costs and timelines. Thousands of satisfied customers have already made the switch to Thriveon's high-performance, cost-effective valves.
โ Free sample available for qualified buyers | โ 24-month warranty | โ Fast global shipping
"We installed the B 42 on our main natural gas skid. The accuracy is incredibleโzero drifting noticed over 6 months. The cost savings compared to the previous German supplier were over 40%. Highly reliable."
"As a procurement director, I value consistency. Thriveon's quality has been uniform across 4 large orders. Their team understands international standards and the documentation is always perfect for our customs clearance."
"We were skeptical about switching suppliers, but the B 42 pilot-operated regulator exceeded our expectations. It replaced a legacy model perfectly with minimal piping changes. The engineering support from Ningjin was top-notch."
"Fast delivery and very competitive pricing. We used the B 42 for a water treatment upgrade project. The actuator response is smooth and the build quality looks excellent for the price point."
"We needed custom Hastelloy trim for a chemical injector skid. Thriveon's team designed and delivered the Roots Regulator B 42 in just 5 weeks. The performance is flawless. This is real engineering capability."
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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