Product Features & Competitive Advantages
The two-piece bolted body design allows complete disassembly for inspection, cleaning, and component replacement while the socket-weld connections remain intact in the pipeline. This significantly reduces maintenance time and costs compared to one-piece welded valves.
Socket-weld ends provide secure, leak-resistant joints with a smaller footprint than flanged connections. The recessed socket design ensures proper pipe alignment and creates smooth internal transitions that minimize turbulence and pressure drop.
Available in full-port configurations for minimal flow restriction and pipeline pigging capability, or reduced-port versions for cost-effective solutions where space optimization is prioritized.
Manufactured from ASTM A105 carbon steel, A182 F316 stainless steel, or other corrosion-resistant alloys. Combined with PTFE, reinforced PTFE, or metal seats, the valve ensures reliable performance across various media and temperature ranges.
Includes blow-out-proof stem design, anti-static devices, and ISO 5211 mounting pads for easy actuation integration. Fire-safe models compliant with API 607 provide additional protection for critical applications.
Typical Specifications
Size Range: ¼" to 4" (DN8 to DN100)
Pressure Rating: Up to 1500 PSI WOG
Temperature Range: -20°C to 400°C (dependent on seat material)
Body Materials: A105 Carbon Steel, CF8/CF8M Stainless Steel
End Connection: Socket Weld per ASME B16.11
Seat Materials: PTFE, RPTFE, PEEK, Metal
Stem Material: 17-4PH Stainless Steel
Design Standards: ASME B16.34, API 608
Test Standards: API 598, ISO 5208
Applications
This valve is ideally suited for:
Chemical and petrochemical process lines
High-purity pharmaceutical and food processing systems
Power plant instrumentation and utility services
Oil and gas production and refining applications
Compressed air and gas distribution systems
HVAC and industrial hydraulic systems
After-Sales Support
We ensure long-term performance through comprehensive support services:
◎Welding Documentation: Detailed socket-weld preparation guides and procedure specifications
◎Technical Assistance: Application engineering and material selection support
◎Spare Parts Program: Complete inventory of seal kits, stems, and internal components
◎Certification Package: Material test reports, pressure test certificates, and compliance documentation
FAQ
Q: How does the two-piece design facilitate maintenance compared to one-piece welded valves?
A: The bolted two-piece construction allows the valve to be separated into two sections while the socket-weld connections remain permanently installed in the pipeline. This provides direct access to all internal components for inspection, cleaning, or replacement without cutting or disturbing the pipe welds.
Q: What are the primary advantages of socket-weld ends in high-pressure service?
A: Socket-weld connections offer superior leak resistance compared to threaded joints, better alignment control than butt-welds, and a more compact configuration than flanged connections. The fillet weld provides strong, reliable joints suitable for high-pressure and high-vibration applications.
Q: What welding precautions are necessary to protect internal components?
A: We recommend using low-heat input welding techniques, appropriate purge gas protection for stainless steel valves, and potentially removing internal components during welding. Following qualified welding procedures ensures joint integrity without damaging seats and seals.
Q: Are full-port configurations available in all sizes?
A: Full-port designs are typically available up to 2" sizes, with reduced-port versions offered across the entire size range. The specific availability depends on pressure class and material selection, with our technical team providing guidance for optimal configuration selection.
Q: Can these valves be used in corrosive or high-temperature services?
A: Yes, we offer corrosion-resistant alloys and specialized trim materials including metal seats for temperatures up to 400°C. Material selection guidance is available based on your specific service conditions, media compatibility, and operational requirements.
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