Top entry ball valves are available in size 2~24"
ANSI Class rating 150 to 1500
Temperature ratings of -46 to 250.
A ll meet the fire safe requirement of BS 6755 and API 6FA.
The top entry trunnion supported design and unique seat retraction technique gives the convenience of in-line repair or replace valve internal components without dismantling it from pipe line.
Because each ball seat shuts off the line fluid independently on the upstream side, so this series ball valves are suitable for double block and bleed application. Secondary sealant injection system for stem and seat is provided for emergency stop of accidental seat or stem leakage.
Hand operated valves are supplied either with a lever or gear operator.
The use of wrench is limited to valves equal or smaller than:
? 4" - Class 150? 4" - Class 300
? 3" - Class 600? 3" - Class 900
? 2" - Class 1500
? 1" - Class 2500
Actuated valves can be supplied with:
? Electric Actuators
? Pneumatic Actuators
? Hydraulic Actuators
? Gas over Oil Actuators
Valve ends can be manufactured to several configurations to comply with customer requests,
Flanged RF or RTJ to ASME B16.5 up to 24" (MSS SP-44 for 22") and B16.47A for 26" and larger. Other type of flanges are available on request.
Butt weld ends to ASME B16.25. Others type of weld ends are available on request.
Hub ends for clamped connections as per customer specification
Trunnion-mounted ball valves are designed and certified
Fire Safe to API 6FA, API 607, BS 6755 Part 2.
|Sealing ring||Flexible graphite|
|Seal gasket||304+Flexible graphite|