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Help CenterANSI Stainless Steel Ball Valve in Sizes DN15 to DN400 With Pressure Ratings 150LB and 300LB for Industrial Piping Systems
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Chengxin Valve presents premium ANSI stainless steel ball valves engineered for rigorous industrial applications. Manufactured since 1993 in our 50,000+ sqm facility, these valves combine corrosion resistance with reliable shutoff performance. Available in DN15-DN400 sizes with 150LB/300LB pressure ratings, they're ideal for chemical, petrochemical, and water treatment systems requiring ANSI-compliant solutions.
Our valves feature full-bore designs that minimize pressure drop while ensuring bubble-tight sealing. The forged stainless steel construction exceeds industry standards for durability in aggressive media. With dual ISO certifications, we guarantee consistent quality across global exports shipped via major Chinese ports.
Technical Specifications & Features:
Body Material: ASTM A351 CF8M (SS316 equivalent)
Ball/Stem: SS316 with chrome plating optional
Seat Material: Reinforced PTFE/RPTFE (standard)
Fire-safe design per API 607 standards
Blow-out proof stem safety mechanism
Anti-static device for hazardous environments
| Size (DN) | Pressure Rating | Flow Coefficient (Cv) | Torque Requirement (Nm) |
|---|---|---|---|
| 15-50 | 150LB | 25-210 | 10-85 |
| 65-200 | 300LB | 350-2800 | 120-950 |
| 250-400 | 300LB | 4500-11500 | 1100-4200 |
The trunnion-mounted ball design prevents seat deformation under high pressure, extending service life by 40% compared to floating ball valves. All valves undergo three-stage testing: shell test at 1.5x rated pressure, seat test at 1.1x pressure, and operational torque verification.
Operational Benefits:
Quarter-turn operation enables rapid emergency shutdown
Low-friction PTFE bearings ensure smooth actuation
Visual position indicators for open/close confirmation
Gear operator option available for DN100+ valves
With ISO14000 environmental certification, our manufacturing minimizes waste while OHSAS18001 ensures workplace safety compliance. Our overseas technical support teams provide installation guidance and maintenance training across South America, Eastern Europe, Africa, and the Middle East.
Choose Chengxin for valves that deliver decades of trouble-free service in corrosive and high-pressure environments. Contact our export department for volume pricing and custom material configurations tailored to your project requirements.
Frequently Asked Questions
Q: What is the lead time for standard DN150 valves?
A: Standard configurations ship within 15 working days from our Tianjin port warehouse. Expedited production available for urgent requirements.
Q: Are these valves suitable for steam applications?
A: Yes, with RPTFE seats they handle saturated steam up to 200°C. Consult our engineers for superheated steam applications.
Q: Do you provide actuation systems?
A: Pneumatic and electric actuators can be factory-mounted. Specify torque requirements when ordering.
Q: What packaging is used for overseas shipment?
A: Valves are crated in anti-corrosion VCI packaging with wooden cases for DN80+ sizes. Custom packaging available.
Q: Can you supply valves with special material certifications?
A: Material test certificates (MTCs) meeting NACE MR0175 standards are provided upon request for sour service applications.
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