Engineered to withstand extreme pressure-temperature ratings, severe corrosive media, and rigorous fugitive emission requirements across North American industrial installations.
The United States industrial valve market is experiencing transformative growth, catalyzed by multi-billion-dollar investments in LNG export terminals across the Gulf Coast (Texas, Louisiana), unconventional shale gas extraction in the Permian and Appalachian basins, and the rapid expansion of clean hydrogen and Carbon Capture, Utilization, and Storage (CCUS) projects.
Within this regulatory framework, the ASME B16.34 standard ("Valves—Flanged, Threaded, and Welding End") serves as the mandatory benchmark for valve wall thickness calculations, pressure-temperature ratings, non-destructive examination (NDE), and material traceability. Whether operating in upstream crude extraction or cryogenic gas liquefaction, failure of valve containment shells can result in severe catastrophic risk, OSHA violations, and environmental penalties under strict EPA New Source Performance Standards (NSPS OOOOb/EG OOOOc).
Gathering pipelines and compressor stations in West Texas and New Mexico require Class 600 to 1500 forged valve bodies resistant to high H2S sour gas environments compliant with NACE MR0175/ISO 15156.
Cryogenic gate, globe, and top-entry ball valves operating at temperatures down to -196°C (-320°F) demand premium ASTM A351 CF8M / CF3M austenitic stainless steel valve castings and forgings.
From Standard Class to Special Class valves, our production workflows adhere strictly to ASME B16.34 Section 8 nondestructive examination mandates, safeguarding mission-critical piping systems.
We forge and machine standard carbon steels (ASTM A105, A216 WCB/WCC), low-temperature alloys (LF2, LF3), austenitic stainless steels (F304, F316, F316L), duplex alloys (2205, 2507), and nickel superalloys (Monel 400, Inconel 625, 17-4PH, XM-19) for severe corrosive and erosive applications.
For high-pressure/high-temperature power generation and steam lines, we offer 100% volumetric Non-Destructive Examination (NDE) per ASME Section V, including Radiographic Examination (RT), Ultrasonic Testing (UT), and Magnetic Particle / Liquid Penetrant Inspection (MT/PT).
Multi-axis CNC milling and boring machines ensure precise gasket seating surface finishes (Ra 3.2–6.3 µm / 125–250 µin RMS) and flawless bonnet joint integrity tested per API 598 and ASME B16.34 Section 7 hydrostatic shell testing pressures (1.5x cold working pressure).
| ASME B16.34 Class | Typical US Application | Material Specification | Hydro Shell Test Pressure | Hydro / Air Seat Test |
|---|---|---|---|---|
| Class 150 | Water, Utilities, Petrochem Low-P | ASTM A216 WCB / ASTM A351 CF8M | 450 psig (31.0 bar) | 315 psig / 80 psig Air |
| Class 300 | Refinery Distillation, Chemical Feed | ASTM A105 / ASTM A182 F316 | 1125 psig (77.5 bar) | 825 psig / 80 psig Air |
| Class 600 | Midstream Natural Gas Transmission | ASTM A350 LF2 / ASTM A182 F51 | 2250 psig (155.1 bar) | 1650 psig / 80 psig Air |
| Class 900 / 1500 | Shale Wellhead Chokes & High-P Gas | ASTM A182 F22 / 17-4PH / Inconel | 3750 / 5625 psig | 2750 / 4125 psig |
| Class 2500 / 4500 | Supercritical Steam Power Boilers | ASTM A182 F91 / F92 / Super Duplex | 9375 / 16875 psig | 6875 / 12375 psig |
Sichuan Yining Machinery Equipment Co., Ltd. was established in 2005 and is a company specializing in the production and manufacturing of various types of valves and finished valve accessories. Over the years, we have been dedicated to the field of valves and are committed to providing high-quality and high-performance products and solutions to customers worldwide, including engineering procurement firms and valve distributors across the United States.
The company has always adhered to the business philosophy that "Quality is the boss, quality is our salary", insisting on taking quality as the core and regarding stable and reliable product quality as the solid foundation for long-term cooperation with customers. We are well aware that high-quality products and stable delivery capabilities are the keys to the continuous development of an enterprise.
The company has passed the ISO9001 quality management system certification and CE certification, and strictly follows international standards for production and quality control to ensure that every product meets industry and customer requirements.
With years of manufacturing experience and mature production techniques, we have a professional technical and management team with rich theoretical knowledge and practical experience. We adhere to the development direction of "conceptual innovation, technological innovation, and management innovation", constantly improving product quality and enterprise competitiveness.
In the future, Sichuan Yining Machinery Equipment Co., Ltd. will continue to take outstanding quality as the core, customer demands as the orientation, and join hands with partners to create a long-term, stable and mutually beneficial win-win cooperative relationship.
+86-15208308717
Our company is CE certified and operates under an ISO 9001 quality management system. We are equipped with CNC machines, machining centers, forging and cold forming equipment, as well as physical and chemical testing facilities.
Our valve components are manufactured in accordance with GB, ANSI, JIS, DIN, and BS standards, meeting the conformity requirements of international markets, including Europe and North America.
We machine carbon steel, stainless steel, alloy steel, and special materials such as 410, 420, F304, F316, LF2, A105, 17-4PH, Monel 400, and XM-19, and support custom production based on customer drawings.
In addition to comprehensive product supply, our service level is also outstanding. With rich experience in the industry, we are always able to deeply understand the needs of our customers and meet all kinds of OEM customisation requirements. We ensure on-time delivery, prompt response and take care of all after-sales issues.
Explore our comprehensive range of custom forged bodies, actuator brackets, couplings, and hardened trim designed for American industrial valve original equipment manufacturers.
Sichuan Yining Machinery Equipment Co., Ltd. is committed to becoming a trusted partner of global valve companies. Whether you require standard ASME Class 150/300/600 valve bodies, customized Special Class NDT components, or precision CNC-machined valve internals to your CAD drawings, our technical sales engineers are ready to assist.
Direct Inquiry: +86-15208308717
