YYF Industrial Valves: Full-Condition Fluid Control Solutions for Refining & Petrochemical Industry

In the complex and harsh environment of refining and petrochemical industries, every process—from crude oil distillation and catalytic cracking to ethylene pyrolysis and polymer production—demands valves with exceptional high-temperature/high-pressure resistance, corrosion tolerance, and intelligence. As a technological leader with over two decades of expertise, YYF offers customized solutions covering seven core valve types for key processes such as atmospheric-vacuum distillation, catalytic reforming, and hydrotreating. From refineries and chemical plants to petrochemical terminals, our valves excel in material innovation, sealing technology, and lifecycle service, empowering clients to achieve safe and efficient operations.

I. Core Valve Types for Refining & Petrochemical: Tailored Solutions for Diverse Processes

Refining and petrochemical processes involve distillation, reaction, polymerization, and separation, with media ranging from high-temperature heavy oils (＞350℃) and corrosive acids/bases to flammable hydrocarbons. YYF addresses industry pain points with seven key product lines, covering the entire workflow from upstream feedstock processing to downstream product refinement:

Application of industrial valves in the refining & petrochemical industry

1. Ball Valves – Rapid Shutoff Experts for Flammable Media

Ball valves offer 360° leak-proof sealing and quick operation, essential for emergency shutdowns and catalyst transfer in petrochemical plants. YYF provides floating and trunnion-mounted designs for different pressure classes (150LB-2500LB):

Technical Advantages:
- Bimetallic-cast balls (outer high-chromium wear layer + inner nickel-based alloy) extend life by 40% in high-sulfur crude (S＞3%);
- Metal+PTFE dual-seals comply with API 6FA fire safety, ensuring zero leakage at 400℃;
- Anti-static springs eliminate electrostatic risks from high-speed hydrocarbon fluids, preventing explosions in ethylene and propylene systems.
Applications: FCC main air pipelines, ethylene cracker feed valves, storage tank emergency shutdown—ideal for fast-switching in DN25-DN600.

2. Globe Valves – Precision Throttling for High-Temperature Flow Control

Globe valves achieve fine flow regulation through linear disc-seat contact, critical for vacuum systems in refinery vacuum towers and reactor feed control. YYF globe valves feature streamlined cavities and multi-stage pressure reduction:

Technical Advantages:
- Inconel 718 guide sleeves enhance wear resistance by 300% at 600℃;
- Bellows seal structure (Patent No.: ZL2023XXXXXX) eliminates packing leakage for toxic media like chlorine and phosgene;
- Smart electric actuators with HART protocol enable ±0.3% positioning accuracy for real-time DCS calibration.
Applications: Atmospheric-vacuum tower reflux control, hydrofining hydrogen flow regulation, polyester reactor EG injection—perfect for precise throttling in DN15-DN300.

3. Gate Valves – Sealing Benchmark for Large-Diameter High-Temp/Pressure Systems

Gate valves ensure unobstructed flow via wedge gates, essential for main pipelines in crude distillation and compressor outlets in ethylene plants. YYF gate valves use forged alloy steel (A105, F91) with hard alloy overlay seals:

Technical Advantages:
- Creep-resistant design maintains integrity for 100,000 hours at 550℃, complying with ASME BPVC Section VIII-2;
- Flow-optimized 导流孔 reduce pressure drop by 18%, minimizing pump energy consumption;
- Self-cleaning seals prevent coke particle jamming in delayed coking units.
Applications: Refinery atmospheric tower bottom pipelines (DN800+), ethylene quench oil lines, fertilizer syngas mains—suitable for low-frequency, high-sealing large diameters.

4. Check Valves – Backflow Prevention Safeguards

Check valves block reverse flow to protect pumps and compressors from water hammer and contamination. YYF develops anti-jamming designs for petrochemical media:

Technical Advantages:
- Swing discs with guide vanes reduce minimum activation pressure to 0.04MPa for high-viscosity (＞800cP) heavy oil;
- Stellite alloy seats extend erosion life to 15 years for slurry systems with catalyst powders;
- Rubber buffers reduce water hammer pressure by 65%, protecting pipe welds and instruments.
Applications: Hydrocracking recycle hydrogen compressor inlets, reformer feed pumps, sulfur recovery acid gas lines—critical for particle-laden or frequent-start media.

5. Safety Relief Valves – Final Barrier for Overpressure Protection

Safety valves release excess pressure to ensure process safety, essential for reactors and pressure vessels. YYF’s intelligent micro-lift design adapts to high-pressure/high-temperature refining conditions:

Technical Advantages:
- ±1% reseating accuracy minimizes unnecessary discharge of hydrogen and steam;
- Bellows-balanced design eliminates backpressure effects for high-pressure hydrogen systems (＞10MPa) in catalytic reforming;
- Hastelloy C-276 internals resist strong corrosion from HCl and HF, compliant with ASME BPVC Section I and GB/T 12243.
Applications: Hydrotreater overpressure protection, LPG sphere relief, steam boiler safety—meeting strict refining and petrochemical safety codes.

6. Control Valves – Core of Intelligent Process Regulation

Control valves enable automatic flow/pressure adjustment via control signals, key for petrochemical digital transformation. YYF offers pneumatic, electric, and hydraulic drives for complex process control:

Technical Advantages:
- Multi-stage pressure-reducing sleeves control noise below 85dB (ISO 11670);
- Smart positioners with Profibus PA ensure seamless DCS integration and ±0.2% regulation accuracy;
- Hydrogen-resistant 阀体 for high-pressure/high-temperature hydrogen (20MPa, 450℃), certified to NACE MR0175.
Applications: Ethylene cracker temperature control, PTA slurry regulation, aromatics solvent recovery—adapting to high-precision automation.

7. Butterfly Valves – Efficient Large-Diameter Regulation for Circulation Systems

Lightweight and fast-acting, butterfly valves dominate flow control in refinery cooling water and chemical air cooler networks. YYF butterfly valves feature double-offset metal seals with ceramic coatings:

Technical Advantages:
- Alumina ceramic coating (200μm) triples chloride resistance for coastal petrochemical cooling water;
- Lug-type bodies save 30% installation space, with explosion-proof pneumatic actuators responding in <1 second for emergency shutdown;
- API 607 fire-safe graphite seals maintain integrity for 15 minutes under fire conditions.
Applications: Atmospheric-vacuum cooling water 进出口 (DN1000+), chemical plant cooling networks, sulfur recovery tail gas systems—suitable for large-flow regulation.

II. YYF’s Core Competencies: Full-Dimensional Innovation for Refining & Petrochemical

High-Temp/Pressure Material Leadership:
- Proprietary YYF-R1 heat-resistant alloy (12%Cr, 2%Mo) offers 200MPa creep strength at 620℃, 25% higher than conventional materials;
- HVOF-sprayed WC-Co coatings (500μm, 1300HV) on valve balls lead the industry in particle erosion resistance.
Sealing & Safety Design:
- Three-stage labyrinth seals for hydrogen/methane reduce leakage to ≤1×10⁻⁹ mbar·L/s (ISO 15848-1 Class A);
- ATEX-certified (II 2G Ex db IIC T6 Gb) anti-static and fire-safe structures for flammable media.
Smart Maintenance Empowerment:
- YYF-IoT modules monitor real-time data (temperature, torque, leakage) via 5G/NB-IoT, reducing unplanned downtime by 40% through predictive maintenance;
- Digital twin technology simulates valve performance under load fluctuations to optimize maintenance strategies.
Global Compliance Assurance:
- End-to-end traceability from material smelting (blockchain) to welding (ASME IX certification);
- Certifications include API 6D, CE/PED, TSG ZF001 for global project compatibility.

III. Addressing Procurement Priorities in Refining & Petrochemical

For procurement decision-makers, YYF solves key challenges:

Extreme Condition Reliability: 50% longer lifespan than conventional valves in high-sulfur crude and high-pressure hydrogen, reducing maintenance in high-risk environments;
Energy & Environmental Optimization: CFD-optimized flow paths reduce pressure loss by 12%, saving millions in energy costs annually, with low-leakage designs meeting EPA emissions;
Customized Engineering: Tailored solutions for complex processes like residue hydrotreating and coal-to-olefins, reducing project commissioning time by 30%.

IV. Industry Trends & YYF’s Forward-Looking Initiatives

As refining and petrochemical industries shift to green and smart manufacturing, YYF leads innovation:

New Energy Adaptation: PVDF-lined ball valves for lithium battery electrolyte production, resistant to HF and organic solvents;
Hydrogen Solutions: Hydrogen embrittlement-resistant nickel-based alloy valves for 70MPa high-pressure hydrogen pipelines;
Digital Upgrade: OPC UA-compatible smart control valves for seamless MES integration, enabling unmanned factory operations.

V. Partner with YYF for Refining & Petrochemical Excellence

In refining and petrochemical, where precision ensures safety and efficiency, YYF industrial valves embody a “zero-defect” philosophy across R&D, manufacturing, and service. From crude processing challenges to chemical synthesis precision, we deliver customized solutions to the highest standards—ensuring every fluid control action balances safety, reliability, and performance.

(Authored by YYFLow Industrial Valves Technical Team. Reproduction with proper attribution required.)

Contact YYF’s refining and petrochemical experts today to receive a tailored valve configuration for your application, and together, build a safer, more efficient petrochemical production system.