NPS 3 Ball Valve 3 Inch Price | ANSI Class 150 Flanged Standard
Description
Within industrial process control systems, the 3 inch ball valve acts as a core isolation component connecting medium-and-small-bore pipelines, which normally match DN80 specifications. Featuring quarter-turn operation, operators can complete valve opening and closing within seconds.
Compared with conventional gate valves and globe valves that demand multiple rotations for full actuation, this design drastically accelerates pipeline system response and emergency shutoff capacity. For engineering designers, confirming 3 inch ball valve dimensions stands as a prerequisite step to mount the valve properly in confined spaces and prevent physical interference with pipe supports or adjacent machinery.
Our flanged ball valve 3 inch is engineered and manufactured strictly in line with ANSI Class 150 pressure rating standards, delivering zero-leakage sealing performance within designated pressure and temperature ranges. Customers may select WCB carbon steel valve bodies for water, oil, gas and general service scenarios, or CF8M stainless steel bodies for mildly corrosive fluid and sanitary working conditions based on conveyed media characteristics. Precision grinding is applied to balls and valve seats. Combined with low torque operation design, this configuration not only cuts expenditure on actuator selection but also extends the service lifespan of valves under frequent cycling service.
When assessing 3 inch ball valve price, apart from upfront procurement expenses, we recommend buyers take hidden safety values such as fire-safe design and anti-static device into overall consideration. These safety features are indispensable in petrochemical and natural gas facilities with explosive risks, effectively avoiding catastrophic accidents triggered by accidental fires or static accumulation.
Fully aware that engineering projects impose strict demands on stable supply chains, every flanged ball valve 3 inch undergoes rigorous shell strength and sealing tests complying with API 598 standards before delivery. Complete material traceability documents and NACE MR0175 / ISO 15156 compliance certificates are provided to guarantee safe operation in sour service environments.
4.1 Specifications
| Parameter Item | Specification |
|---|---|
| Nominal Pipe Size (NPS) | NPS 3 (DN80) |
| Pressure Class | Class 150 (PN20) / Class 300 (PN50) |
| Valve Body Material | WCB Carbon Steel, CF8/CF8M (304/316L Stainless Steel) |
| End Connection | Flanged End (RF / RTJ) / Threaded End |
| Flange Standard | ANSI B16.5 / EN 1092-1 |
| Face-to-Face Length | ANSI B16.10 |
| Fire Protection Performance | API 607 / ISO 10497 (Optional) |
| Static Prevention Structure | Anti-static Device (Standard Configuration) |
| Operation Mode | Hand Lever / Gear Box / Pneumatic Actuator / Electric Actuator |
4.2 Applications
The 3 inch ball valve achieves outstanding adaptability across various industrial sectors:
- Oil & Gas Gathering & Transmission: Installed on branch pipelines of main lines and metering skids to isolate inlets and outlets of pressure vessels including separators and heat exchangers.
- Chemical & Fine Chemical Industries: Suitable for pipelines transporting moderately corrosive or high-purity chemical fluids; metal hard-sealed variants cope with high-temperature media or fluid containing solid particles.
- Municipal Water Supply & Wastewater Treatment: Deployed on inlet and outlet pipelines of medium-sized water tanks as dependable isolation valves for maintenance shutdown.
- HVAC & District Energy Supply: Mounted at inlet and outlet ports of chilled/hot water units to execute precise fluid cut-off and flow distribution.
5. FAQ for Global Buyers
Q1: What core elements determine 3 inch ball valve price? Is customized manufacturing available for project-specific requirements?
A1: Four primary factors cause price fluctuations: 1) body material, stainless steel versions cost notably more than carbon steel alternatives; 2) pressure class, Class 300 specifications carry higher costs than Class 150 models; 3) seat & seal material, PTFE works for ambient temperature service, PPL fits high-temperature environments, while metal sealing targets abrasive working conditions; 4) actuation type, manual valves have the lowest cost, whereas pneumatic and electric actuators differ greatly in pricing. We offer full customization services and precise quotation & type selection confirmation upon receiving your valve data sheet.
A1: Four primary factors cause price fluctuations: 1) body material, stainless steel versions cost notably more than carbon steel alternatives; 2) pressure class, Class 300 specifications carry higher costs than Class 150 models; 3) seat & seal material, PTFE works for ambient temperature service, PPL fits high-temperature environments, while metal sealing targets abrasive working conditions; 4) actuation type, manual valves have the lowest cost, whereas pneumatic and electric actuators differ greatly in pricing. We offer full customization services and precise quotation & type selection confirmation upon receiving your valve data sheet.
Q2: How to verify whether the supplied NPS 3 flanged ball valve conforms to API 607 fire safety standards?
A2: Our standard valves adopt bodies manufactured per ASTM A216/A351 standards, with fire-safe constructed seats and sealing rings. For stringent project requirements, we can supply API 607 / ISO 10497 fire safety test reports issued by authoritative third-party laboratories such as BV, SGS and Lloyd’s. Each valve is delivered with detailed quality guarantee documents and test reports, realizing full traceability covering raw material incoming inspection through finished product shipment. For critical projects, on-site factory supervision and witnessed testing services are also available on demand.
A2: Our standard valves adopt bodies manufactured per ASTM A216/A351 standards, with fire-safe constructed seats and sealing rings. For stringent project requirements, we can supply API 607 / ISO 10497 fire safety test reports issued by authoritative third-party laboratories such as BV, SGS and Lloyd’s. Each valve is delivered with detailed quality guarantee documents and test reports, realizing full traceability covering raw material incoming inspection through finished product shipment. For critical projects, on-site factory supervision and witnessed testing services are also available on demand.
