DelVal Series 7 & 8 Ball Valves are designed and manufactured to meet the requirements of the following industry standards:
API 6D, ASME B16.34
API 6D, ASME B16.10
API 6D, API 598, ISO 5208
ASME B16.34
ASME B16.5, ASME B16.47
ASME B16.25
ANSI/ASME MR 0175/ISO 15156-1
API 6FA / API 607
ISO 15848
PED 2014/68/EU
CI150 to CI1500 Flanged end / Butt weld end
Class 150 to class 2500
-46°C to 200C
-50°F to 390°F
2" to 48"
*Pressure-temperature rating shall be the lesser of the shell rating or the seat rating or the seal rating.
Anti blowout stem
Double Block And Bleed
Body Joints
Fire Safe Design
Emergency Seat Sealant Injection
Stem Sealing
Emergency Stem Sealant Injection
Double Piston Effect Seats (DIB-1)
One Self-Relieving Seat and One Piston Effect Seats (DIB-2)