Deliver stable, accurate downstream pressure across fluctuating supply conditions. Designed for industrial gas systems, LPG networks, and high-purity applications. Reduce downtime by up to 40% with proven two-stage technology.
📩 Get Free Quote in 24 HoursEvery facility manager knows that inconsistent gas pressure leads to rejected batches, damaged instruments, and safety hazards. Yet many still rely on single-stage regulators that cannot compensate for supply drop or temperature shifts.
38% of unscheduled downtime in gas-fed processes is traced to pressure fluctuations (Source: Industrial Gas Safety Review, 2025).
Single-stage regulators drift up to 15% as cylinder pressure drops, causing inconsistent flame cutting, welding, or chemical dosing.
Replacing damaged downstream equipment costs $2,000–$15,000 per incident — a burden no plant manager should bear.
Excessive gas waste due to over-pressurization and venting adds up to 22% higher operational costs annually.
If you've experienced any of these pain points, a two stage gas pressure regulator is not an upgrade — it's a necessity for reliable industrial gas management. → See how two-stage design eliminates these risks
Instead of fighting fluctuating inlet pressure with a single diaphragm, our two-stage design splits the reduction into two controlled phases. The first stage steps down from high cylinder pressure (up to 3000 psi) to an intermediate level. The second stage precisely regulates to your exact working pressure — even as the cylinder empties.
Maintain set pressure within 1% across the entire cylinder life. No drift, no re-tuning.
Built-in relief valve and captured vent prevent dangerous over-pressurization events.
Brass or 316 stainless steel body, rated for -20°F to 150°F. Suitable for indoor and outdoor installations.
Choose inlet/outlet connections (NPT, BSP, DIN), pressure ranges, and seat materials (PTFE, nylon, Viton).
| Parameter | Standard Model (TSR-200) | High-Purity Model (TSR-300HP) |
|---|---|---|
| Max Inlet Pressure | 3000 psi (207 bar) | 3000 psi (207 bar) |
| Outlet Pressure Range | 1–150 psi (0.07–10 bar) | 0.5–100 psi (0.03–6.9 bar) |
| Flow Capacity (Cv) | 0.8 Cv | 0.6 Cv |
| Accuracy (Stability) | ±1% of setpoint | ±0.5% of setpoint |
| Body Material | Brass / 316 SS | 316 Stainless Steel |
| Seat Material | PTFE / Nylon | PTFE / Viton |
| Port Size (Inlet x Outlet) | 1/4" NPT – 1/2" NPT | 1/4" NPT – 3/8" NPT |
| Operating Temperature | -20°F to 150°F (-29°C to 65°C) | -40°F to 160°F (-40°C to 71°C) |
| Certifications | CE, RoHS, ISO 9001 | CE, RoHS, ISO 9001, FDA (upon request) |
single stage gas pressure regulator two stage propane regulator second stage regulator propane
Typical Applications: LPG vaporizer systems, natural gas laboratories, industrial furnace gas trains, medical gas manifolds, hydrogen fuel cell testing, and chromatograph gas supply.
"We replaced single-stage regulators on 12 furnace lines with Thriveon's two-stage units. Our gas consumption dropped 17% and we've had zero pressure-related shutdowns in 9 months."
"The precision of these regulators is remarkable. We calibrate our analyzers once a month now instead of weekly. Fast shipping from China to Rotterdam in 12 days."
All regulators are pressure-tested and serialized for full traceability. → Request a certificate package with your quote
A single-stage regulator reduces pressure in one step, causing outlet pressure to rise as the cylinder empties (called "droop"). A two-stage regulator uses two consecutive chambers: the first reduces high inlet pressure to an intermediate level; the second precisely controls final output. This ensures stable outlet pressure regardless of inlet changes, typically within ±1%.

Our regulators are compatible with LPG (propane/butane), natural gas (methane), nitrogen, argon, helium, carbon dioxide, oxygen (O2-cleaned option), compressed air, and many specialty gases. For corrosive or ultra-high-purity gases, choose the 316 stainless steel model with Viton seals.
Yes. As a factory-direct manufacturer with over 10 years of OEM/ODM experience, we can imprint your logo, color-match bodies, and adjust pressure ranges to your specifications. Minimum order quantities are flexible — contact us for details.
Standard lead time is 15–25 working days for stock sizes. Custom orders require 25–35 days. We ship via DHL, FedEx, or sea freight (FOB Tianjin). Typical freight to US West Coast is $120–$250 for small quantities; bulk containers reduce per-unit cost significantly.
Absolutely. We offer free samples to qualified industrial buyers (you pay shipping). Test the regulator in your actual process — if it doesn't meet spec, we'll refund the sample cost. Request a sample quote here.
Every regulator carries a 3-year warranty against manufacturing defects. Our engineering team provides free technical support via email/WhatsApp within 4 working hours. Replacement parts are dispatched within 48 hours for in-warranty units.
"We ordered 200 units for our gas skids in Texas. The consistency is outstanding — every regulator we tested was within 0.3 psi of setpoint. Thriveon's team even helped us customize the spring range for our low-flow application. Highly recommended."
— David K., Senior Procurement Engineer, Houston, TX
"As a distributor in South Africa, I was skeptical about quality from a new Chinese supplier. But Thriveon changed my mind. The two stage gas pressure regulators arrived with full inspection reports, and my clients praise their reliability. Repeat orders monthly."
— Pieter van der M., Managing Director, Cape Town, South Africa
"We use these regulators on our hydrogen test benches. The 316 SS body and Viton seals handle high-purity H₂ perfectly. Zero leakage after 6 months of continuous operation. Pricing is 35% lower than European brands with same quality."
— Marco F., R&D Lab Manager, Milan, Italy
"Thriveon's two-stage regulators solved our flame instability issues on LPG cutting lines. Production yield increased from 82% to 96%. Their technical support via WhatsApp was excellent — even helped with installation over video call."
— Hassan A., Production Supervisor, Dubai, UAE
Get a free sample, OEM quote, or technical datasheet within 24 hours. Our engineers will help you select the ideal two-stage regulator for your gas type, flow range, and connection standard.
📩 Get Your Free Quote + Sample Today🔒 Your information is kept confidential. Free sample available for qualified industrial buyers (shipping charges apply).
Related Products
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