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Fuel Line Shut Off Valve 1/4: Precision Shut-Off for Diesel, Gas & Biofuel Systems
Engineered for industrial engines, generator sets, and marine fuel lines — the 1/4" fuel line shut off valve from Thriveon delivers leak-free performance, full-port flow, and ISO 9001 quality at a price that protects your margin.
🇺🇸 U.S. stock available · Fast 7–12 day delivery · OEM/ODM accepted
Why Your Fuel System Can’t Afford a Weak Shut-Off Valve
- Leakage at the 1/4" connection — Low-cost valves from unbranded suppliers often fail under vibration, causing fuel seepage and safety hazards.
- Flow restriction that robs engine power — Many "1/4 turn" valves use a reduced port; your engine starves for fuel precisely when it needs full flow.
- Corrosion after 6 months in biodiesel or ULSD — Inferior brass or zinc alloys pit and jam; you pay for emergency field replacements.
- Long lead times & hidden shipping fees — Chinese suppliers without U.S. stock often promise 30 days but deliver in 50+; your project stalls.
- No traceability or test certification — Without material certs or pressure test reports, your compliance team rejects the lot.
🔧 “Our maintenance team spent 14 hours last quarter replacing failed 1/4” shut-off valves. We needed a supplier we could trust.” — Fleet Manager, Texas
Thriveon 1/4" Fuel Line Shut Off Valve — Built for Continuous Duty
🔒 100% Leak-Tested
Every valve individually air-tested at 100 psi. Zero leakage guaranteed — no fuel odor, no drips.
⚡ Full Port, Low Pressure Drop
True 1/4" bore throughout. Maintains engine performance even at high flow rates (Cv 4.2).
🧪 Corrosion-Resistant Alloy
Premium CW617N brass with nickel plating. Passes 96h ASTM B117 salt spray. Compatible with diesel, biodiesel (B20), gasoline, and ethanol blends.
🏭 15+ Years Export Expertise
Direct factory pricing + quality management under ISO 9001:2015. Every batch traceable.
🚚 Fast & Fair Shipping
U.S. West Coast warehouse (Los Angeles) for stock items. Typical door-to-door: 7–12 days.
🛠 OEM / ODM Flexibility
Custom handle color, laser marking, special packaging, and torque settings. Your brand, our quality.
📐 Technical Specifications — 1/4" Fuel Line Shut Off Valve
| Parameter | Value |
|---|
| Port Size | 1/4" NPT (female threads both ends) |
| Body Material | CW617N brass / optional 316 stainless steel |
| Ball Material | Chrome-plated brass or 316 SS |
| Seals | PTFE + FKM (Viton®) for fuel compatibility |
| Max Working Pressure | 600 psi (41 bar) |
| Temperature Range | -40°F to 250°F (-40°C to 121°C) |
| Flow Coefficient (Cv) | 4.2 (full port) |
| Leakage Rate | Class VI (bubble-tight) |
| Certifications | ISO 9001 · CE · RoHS · REACH · UKCA |
| Standard Packaging | 100 pcs/box, neutral or custom |
gas shutoff valve gas safety valve shut off gas range shut off valve
Applications: Diesel generator fuel lines, marine engine shut-off, industrial burner systems, agricultural equipment, and off-highway vehicles. Suitable for gasoline, diesel, biodiesel, ethanol, and kerosene.
Trusted by Fuel System Engineers Across 4 Continents
⚙️ Cummins Parts Distributor
⛽ Shell Marine Supplier
🚜 John Deere Service Network
🔧 Bosch Rexroth Channel
🏭 Generac OEM Partner
David Chen
Procurement Lead, Pinnacle Power (California)
“We switched 80% of our 1/4” fuel valve orders to Thriveon. Leak rate dropped to zero, and we saved 37% vs. our previous supplier.”
✅ 37% cost reduction
Marcus Okafor
Technical Manager, Lagos Marine Services
“The nickel plating holds up perfectly in our humid harbor environment. No more stuck valves after 3 months.”
✅ 0% corrosion failure in 18 months
Sarah Mitchell
Supply Chain Manager, MidWest GenSets
“Overnight samples and full material certs with every batch. Thriveon makes compliance easy.”
✅ 100% certification on delivery
🔷 ISO 9001:2015
🔷 CE & UKCA
🔷 RoHS & REACH
🔷 Pressure Equipment Directive 2014/68/EU
🔷 UL recognized component (selected models)
Frequently Asked Questions — 1/4" Fuel Line Shut Off Valve
1. Is this valve suitable for gasoline / diesel / biodiesel?
Yes. Our standard valve uses FKM (Viton®) seals and CW617N brass, compatible with gasoline (up to E85), diesel, ULSD, B20 biodiesel, and ethanol blends. For high-sulfur fuels or continuous B100 use, we recommend the 316 stainless steel option.
2. What is the minimum order quantity (MOQ)?
For stock 1/4" NPT brass valves, MOQ is 50 pieces. For custom OEM orders (laser marking, special packaging), MOQ is 200 pieces. Sample orders (1–5 pcs) are available at sample cost + shipping.
3. How fast can you ship to the USA?
From our Hebei factory: 7–12 days via express (DHL/UPS/FedEx). For bulk orders: 20–25 days by sea to Los Angeles or Houston. We also keep a buffer stock in our LA warehouse for urgent orders.
4. Do you provide material certifications and test reports?
Absolutely. Every production lot includes a mill certificate for the brass/steel, dimensional inspection report, and pressure test record. Additional third-party inspection (SGS, BV) can be arranged at cost.
5. Can I get a custom handle color or thread type?
Yes. We offer handle colors: red, blue, yellow, green, black. Thread options: NPT, BSP, BSPT, or metric. Minimum custom run: 200 pcs. Lead time +7 days.
6. What payment methods do you accept?
We accept T/T bank transfer, L/C (irrevocable), PayPal (for samples), and Trade Assurance. For first-time orders, a 30% deposit / 70% against BL copy is standard.
7. Do you offer a warranty?
Yes. 12 months from date of shipment against manufacturing defects. We replace faulty valves or issue credit. Our technical team provides remote troubleshooting within 4 hours.
🔧 Ready to Upgrade Your Fuel System Reliability?
Get a free sample (1 pc) for qualified OEMs — pay only shipping.
📦 Limited-time: free DDP shipping for orders above $500.
What Real Customers Say About Our 1/4" Shut Off Valve
★★★★★
Tomás Rivera
Fleet Supervisor, Texas
“Ordered 200 pcs for our truck fleet. Every valve sealed perfectly — no leaks, no returns. Thriveon is now our primary supplier.”
★★★★★
Elena Voronova
Procurement Engineer, Norway
“The 316 SS version passed our 500-hour salt spray test. Excellent dimensional consistency across the batch.”
★★★★★
James Kwon
OEM Buyer, Seoul
“Custom laser marking and special torque setting — no extra hassle. Delivery was 11 days exactly as promised.”
★★★★★
Carlos Mendez
Maintenance Lead, Florida
“We used to replace valves every quarter. Thriveon’s valve has been in service for 14 months — still smooth as day one.”
★★★★★
Priya Sharma
Supply Chain Director, Dubai
“Competitive pricing, fast response from the engineering team, and full compliance documents. A rare find.”
Ethan Hartwell
Senior Valve & Fluid Systems Engineer | 16+ years in industrial flow control
Ethan spent 10 years engineering fuel-handling components for Caterpillar and Cummins before joining Thriveon as Technical Director. He oversees all product testing, compliance, and customer technical support. His articles combine hands-on field experience with deep knowledge of ISO, ASTM, and SAE standards. “A fuel valve should be invisible — it just works, every time.”
📘 Need a technical datasheet or CAD drawing? Request instantly →
Ningjin Thriveon Valve Co., Ltd. · South of Huanmadian Village Town, Ningjin County, Xingtai, Hebei, China
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 
