Features & Benefits

1. Structure : 2 pieces or 3 pieces body
2. High shut-off sealing mechanism and low torque operation
3. Block and bleed function
4. Self-cavity pressure relief
5. Fire safe design
6. Blow out proof stem construction
7. Anti-static design
9. Locking device (for lever handle operation)

Specit fications

Didtek Double Block and Bleed Ball Valve combine two in-line isolation valves into a single body with an additional bleed valve used to drain or vent trapped fluid between the two obturators to ensure highest level of safety in double isolation and bleed service.

Size Range

2'' to 48''

Body Materials

A105N

Temperature Range

-196 to 650°C

Stem Materials

ASTM A479 Type 410
17-4PH
XM-19
ASTM A182 F316

Maximum Allowable Operating Pressure

ASME CL150, 300, 600, 900, 1500, 2500

Seat Materials

RPTFE, Nylon, Devlon, PEEK, Tek-Fil, TFM

Shutoff Rating

Zero Leakage

Ball Materials

ASTM A105 w/ENP
ASTM A350 Gr. LF2 w/ENP
ASTM A182 Gr. F316
ASTM A182 Gr. F316 w/ENP

Body Style

Three Piece

Design Standard

API 6D, BS5351, ASME B16.34

End Connections

Flanged

Testing Standard

API 598, API 6D

Certifications

Lioyd's CE, Lioyd's UKCA, EAC, ISO 9001, API 6D, API 6FA

Ports

Full

Face to Face

ASME B16.10, API 6D

Applications

Oil and Gas Pipeline, Offshore Platforms, Onshore Terminals, Emergency Shutdown, Suction and Discharge Isolation, Block and Bypass, Pumping, Compression and Reinjection Units, Metering Stations, Pig Traps, Surge-Relief Skids, Decoking Isolation, Buried Services, Produced Water (Brine) Services