Design Features:

zzBolted Bonnet or Pressure Seal Bonnet
zzOutside Stem & Yoke or Non-rising Stem
zzRenewable Seat Rings
zzLow Emission Graphite Gland Packing
zzIntegral actuator mounting pad (ISO 5211)  

Optional Features:

zzSeal Welded Seats Across Full Range
zzFlanged or Butt Welded Ends
zzResillient Soft Seats for Positive Shut-off
zzDouble Block and Bleed Option
zzBonnet Extension for Cryogenic Service
zzBy-Pass and Drain Connections
zzIndicator and Locking Devices
zzExtensions Shaft for Remote Operation

Specification:

zzBasic Design: API-600, API-603, BS1414, ANSI B16.34
zzFace to Face : ANSI B16.10
zzSize: 2"-40"
zzClass: 150LB-2500LB
zzMaterial: Cast Steel, Alloy Steel,Stainless Steel
zzEnd Connection: 2"-24" ANSI B16.5; 26" -42" ANSI B16.47
zzManufacturing to NACE Mr-01-75-LE
zzTest & Inspection: API-598