Description
CLASS 300 CRYOGENIC BALL VALVE
MODEL DQ41PCTFE (Conforming to BS 6364)
Description: Two-piece PCTFE-seated ball valve engineered for cryogenic services down to -196°C (-320°F), compliant with BS 6364 for LNG, liquid CO₂, N₂, and other cryogenic media.
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PARAMETER |
SPECIFICATION |
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Pressure Rating |
ASME Class: 150, 300, 600, 900, 1500, 2500, 4500 |
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Size Range |
⅛” (DN6) – 6″ (DN150) |
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Temp. Range |
Operational: -196°C (-320°F) to -46°C (-50°F) |
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Body Type |
Two-Piece Bolted Construction |
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End Connections |
Flanged: ASME B16.5 / EN 1092-1 |
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Face-to-Face |
ASME B16.10 |
EN 558 Series 1 |
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Design Std |
ASME B16.34 |
BS 6364 (Cryogenic) |
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Seat/Seal |
Primary: PCTFE |
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Safety |
Fire-Safe: API 607 / ISO 10497 |
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Testing |
Production: API 598 |
KEY FEATURES:
• Model-Specific: PCTFE seals integral to DQ41PCTFE design for deep cryogenic service
• Extended Bonnet (Standard) prevents seat freezing
• Double-sealed stem with live loading
• Full-port design minimizes pressure drop
TYPICAL APPLICATIONS:
LNG loading arms & storage tanks
Liquid CO₂ injection systems
Cryogenic vaporizers (N₂/O₂/Ar)
Vacuum-insulated piping
ORDERING EXAMPLE:
DQ41PCTFE-6"-CL300-RF
= 6″ Class 300 Raised Face Flanged Valve
NOTES:
• Body materials: Standard CF8M (316SS), other alloys available
• Actuator mounting pad per ISO 5211
• Third-party cryogenic testing reports (BS 6364 Annex B) provided
GUATANTEE:
SAVVY VALVES is committed to delivering exceptional product quality and worry-free after-sales service. Our valves are guaranteed to provide a minimum service life of 12 months, during which we will supply all necessary spare parts and detailed maintenance instructions free of charge. Within the warranty period, if any non-human-induced damage occurs, we will replace components at no cost and provide professional technical support. After the warranty expires, customers only need to pay for the cost of spare parts, while still benefiting from discounted maintenance services. Our goal is to help clients reduce operational costs and enhance production efficiency through reliable quality and comprehensive after-sales support. Whether for technical inquiries or maintenance needs, our expert team will respond promptly to ensure your valve system maintains optimal performance at all times.
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