Durco® G4X Sleeveline Non-Lubricated Plug Valve
The Durco® G4X Sleeveline non-lubricated plug valve helps control fugitive emissions in demanding HF alkylation, toxic, lethal and sub-zero services. It combines certified low-emission performance, fire-safe design and soft-seat zero-leakage shutoff to support plant and personnel safety.
... Read more Read less- Limits fugitive emissions with continuously loaded packing that meets ISO 15848-1-BH-CO3 and API 641
- Separates plug and packing adjustment for precise in-line sealing control
- Uses a self-sealing diaphragm that moves with plug adjustment to eliminate a potential leak path
- Supports plant and personnel safety with an API 607 fire-safe design for external leakage
- ASME B16.34
- PED
- CRN
- API 598
- ISO 10497
- API 607 (for external leakage only)
- API 641 1st edition
- ISO 15848-1-BH-CO3
- Sizes: NPS 1/2 to 20
- Pressure classes: 150 to 300
- Temperatures: -50 to 600°F (-45 to 315°C) depending on alloy and sealing configuration. Fugitive emission testing is limited in temperature range to 204°C (400°F) and certain materials
- Materials of construction
- Body: Monel, carbon steel, stainless steel, corrosion resistant alloy
- Seat/sleeve: TFE, TFM, or TMHT
G4X
- For applications where a fire-safe design is not required
- PTFE stem packing and seal
- Fugitive emissiona API 641





















