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Help CenterASME B16.34 Compliant Globe Check Valve for Marine Applications 150LB-600LB
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As an ISO9001-certified valve manufacturer established in 2016, Shanghai Zhibang specializes in engineering robust flow control solutions for global marine industries. Our ASME B16.34 compliant Globe Check Valves deliver critical backflow prevention in high-pressure shipboard systems, combining precision manufacturing with maritime-grade durability. With over $1 million annual exports to 15+ global markets, we understand the stringent demands of marine applications where failure is not an option.
Core Technical Advantages:
- Dual-function design acts as both stop valve and non-slam check valve
- Pressure-energized sealing ensures zero leakage at 150-600LB ratings
- Corrosion-resistant materials suitable for seawater environments
- Streamlined flow path minimizes pressure drop and turbulence
- Bolted bonnet allows easy maintenance without system disassembly
| Pressure Class | Size Range (inches) | Body Material Options | Testing Standard |
|---|---|---|---|
| 150LB | 1/2" - 12" | A216 WCB, CF8M | API 598 |
| 300LB | 1/2" - 10" | A352 LCB, CF8 | API 598 |
| 600LB | 1/2" - 8" | A217 WC6, CF3M | API 598 |
The valve's globe-style body features integrated disc guidance that prevents chatter during flow reversal, while the spring-assisted closure mechanism eliminates water hammer. Standard face-to-face dimensions comply with ASME B16.10, and all internal wetted parts undergo passivation treatment for enhanced corrosion resistance. Optional extended bonnets maintain sealing integrity in high-temperature steam lines common in marine power plants.
Operational Benefits:
- 30% longer service life than swing check valves in pulsating flows
- Reduces maintenance downtime by 45% through accessible internals
- Prevents pipeline damage from hydraulic shock with
- Interchangeable trim components for cost-effective repairs
With ISO9001 quality systems governing every production phase and annual exports exceeding $1 million to maritime hubs worldwide, Shanghai Zhibang delivers valves trusted by shipbuilders across North America, Europe, and Asia. Our valves undergo rigorous hydrostatic and functional testing at 1.5x rated pressure, backed by full material traceability. Contact us at Shanghai/Guangzhou ports for technical specifications tailored to your vessel's classification society requirements.
Frequently Asked Questions:
Q1: Can this valve handle seawater cooling systems?
A: Yes, when ordered with 316 stainless steel trim and epoxy coating, it resists chloride-induced corrosion in seawater applications.
Q2: Is backflow prevention absolute?
A: The valve achieves Class VI shutoff (zero leakage) per ANSI/FCI 70-2 when properly maintained.
Q3: What maintenance intervals are recommended?
A: Inspection every 24 months or 10,000 operating hours, whichever comes first, under normal service conditions.
Q4: Are special tools needed for installation?
A: No, standard flange installation procedures apply. Bolt torque values are provided in the installation manual.
Q5: Can I get DN-metric sizing?
A: Yes, all standard DN sizes are available upon request.
Q6: Do you provide fire-safe certification?
A: Fire-safe design per API 607 is optional for high-risk applications.
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