Your Professional Stainless Steel Pipe Supplier
Henan Shuangzhong Intelligent Technology Co., Ltd., an expert in precision manufacturing and pipeline system solutions, was founded in 1999. We are a professional manufacturer specializing in precision machining customization, pipeline equipment and pipe fittings customization, as well as the manufacturing.
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![Stainless Steel Ball Valve]()
Stainless Steel Ball Valve1. Name:Stainless Steel Ball Valve. 2. Size: 1-24. 3. Grade:150#,300#,600#,900#,1500#,2500#. 4. Suitable media: clean water, tap water, circulating water, hot water, compressed air, natural gas, -
![Stainless Steel Gate Valve]()
Stainless Steel Gate Valve1. Name:Stainless Steel Gate Valve. 2. Size: 1-24. 3. Grade:150#,300#,600#,900#,1500#,2500#. 4. Suitable media: purified water, tap water, industrial circulating water, hot water, low-pressure steam,
Why choose us
One-Stop Customized Solutions
We are committed to providing customers with one-stop customized solutions - from design support and precision manufacturing to quality assurance - to meet the diverse needs of various industries for high-performance, high-precision, and high-reliability industrial components.
Certification
We ensure quality through comprehensive system certifications: the company has passed the ISO 9001:2015 quality management system certification and the American Petroleum Institute (API) quality certification system.
Sales Market
Our products have been successfully exported to many countries and regions around the world, including the United States, Canada, Germany, India, Malaysia, Pakistan, the United Arab Emirates, Egypt, and the Middle East. We have earned the trust and praise of overseas customers.
On-Site Quality Supervision
We deploy a professional quality inspection team to oversee the entire production process of our industrial ball valves. From the receipt of raw materials to the shipment of finished products, we consistently implement rigorous, end-to-end quality control measures. Furthermore, we offer customized services tailored to our clients' specific requirements-such as product marking and packaging methods.
Product Parameters
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Product Name |
Stainless Steel Valves |
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Standards |
API 6D / ANSI B16.10 / GB/T 12224 / JB/T 7745 |
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Material Grades |
CF8 (304) / CF8M (316) / CF3M (316L) / CF3 (304L)/Duplex stainless steel |
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Surface Finish |
Pickling & Passivation, Polishing, Sandblasting, As-Cast Finish |
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Type |
Stainless Steel Ball Valves, Gate Valves, Globe Valves, Butterfly Valves, Check Valves |
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Size Range |
DN15 – DN600 (1/2" – 24") |
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Tolerance |
Compliant with ANSI B16.10 / GB/T 1804-m (Medium Precision) |
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Applications |
Water Treatment, Petrochemicals, Power Generation, Metallurgy, Food & Pharmaceuticals, HVAC, Municipal Engineering |
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Price Terms |
Trade terms offered include FOB, CIF, CFR, CNF, EXW, and other options depending on customer requirements. |
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Payment Terms |
Accepted payment methods include T/T, L/C, D/P, and others as negotiated. |
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Delivery Time |
Timely shipment available for stocked items; delivery schedules for production orders are arranged as per order size and specifics. |
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Packing |
Export-standard Plywood Crates / Wooden Cases / Pallet Packaging |
Stainless Steel Valves of Various Pressure Ratings
I. Chinese National Standard (GB) PN Series + Applicable Fields
PN10 / PN16 (Low Pressure: 1.0 / 1.6 MPa) - Most Commonly Used 👉 Residential tap water supply, building plumbing and drainage systems, municipal utility networks, standard HVAC systems, agricultural irrigation, well pump stations (commonly used for 125mm well casings).
PN25 / PN40 (Medium Pressure: 2.5 / 4.0 MPa) 👉 Industrial circulating water systems, fire protection mains, gas transmission lines, general chemical processes involving mildly corrosive media, small to medium-sized pumping stations.
PN63 / PN100 (High Pressure: 6.3 / 10.0 MPa) 👉 Oil and gas process pipelines, high-pressure water treatment systems, power plant water-steam systems, deep-well high-pressure water supply, fine chemical industries.
PN160 and Above (Ultra-High Pressure) 👉 Hydraulic systems, high-pressure testing equipment, specialized industrial applications, oilfield wellhead conditions.
II. American Standard (ASME) Class Ratings + Applicable Fields
Class 150 (≈ PN16) 👉 General chemical processing, water treatment, storage tank piping, standard auxiliary pipelines in petrochemical facilities.
Class 300 (≈ PN40) 👉 Petroleum refining, steam pipelines, process pressure lines, utility systems on offshore platforms.
Class 600 / 900 👉 High-pressure oil and gas systems, boiler main steam lines, hydroprocessing units, high-pressure loops in coal chemical plants.
Class 1500 / 2500 👉 Wellhead oil extraction, ultra-high-pressure specialized operating conditions, nuclear energy facilities, heavy-duty petrochemical plants.
Our Certificate
FAQ
As one of the leading stainless steel valves manufacturers in China, we warmly welcome you to buy high quality stainless steel valves for sale here from our factory. Good service and reasonable price are available.
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