6” 300LB 2 Piece Cryogenic Floating Ball Valve Ready For Pneumatic Actuated
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.
| PARAMETER | SPECIFICATION | |
|---|---|---|
| Model | DQ41PCTFE | |
| Pressure Rating | ASME Class: 150, 300, 600, 900, 1500, 2500, 4500 PN: PN6 (50 psi) to PN760 |
|
| Size Range | ⅛” (DN6) – 6″ (DN150) | |
| Temp. Range | Operational: -196°C (-320°F) to -46°C (-50°F) Seal Limit: PCTFE @ -196°C |
|
| Body Type | Two-Piece Bolted Construction | |
| End Connections | Flanged: ASME B16.5 / EN 1092-1 Welded: BW (ASME B16.25) Special: RTJ |
|
| Face-to-Face | ASME B16.10 | EN 558 Series 1 |
| Design Std | ASME B16.34 | BS 6364 (Cryogenic) |
| Seat/Seal | Primary: PCTFE Features: Low-temperature resilience, near-zero leakage per API 598 |
|
| Safety | Fire-Safe: API 607 / ISO 10497 Anti-Static: ISO 15848-1 Stem: Anti-blowout design |
|
| Testing | Production: API 598 Cryogenic: BS 6364 Type-Testing (-196°C) |
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
