CLASS 900~2500
Pressure seal bonnet globe valve
OS&Y, Rising stem, Plug Disc
Pressure Seal Bonnet, Threaded or welded seat ring
ASTM A216 WCB, A217 WC6, A351 CF8, A351 CF8M, A351 CF3, A351 CF3M, A351 CN7M
WeIco can produce up to 24" size for this kind of globe valve.
Standards compliance
Design and Manufacture: ANSI B16.34, BS1873
Face to face(end to end): ANSI B16.10
Flanged connection: ANSI B16.5
Butt welded end: ANSI B16.25
Test and inspection: API 598
A. Anti-friction ball thrust bearing: Reduces friction between mating parts to ensure smooth operation
B. Grub screw: Secures yoke nut in the bonnet
C. Grease nipple: Supplies lubricant to the mating parts
Materials |
NO. | Part name | Material |
18 | Grub screw | Carbon steel |
17 | Hand wheel nut | Carbon steel |
16 | Hand wheel | Carbon steel |
15 | Eye bolt and nut | A 193 B7/A194 4~A193 B8/A194 8 |
14 | Pin | Carbon steel/SS |
13 | Stem nut | A 439-D2/cu-alloy |
12 | Gland flange | Carbon steel |
11 | Gland bush | Stain steel |
10 | Back seat | Stain steel |
09 | Pisc nut | CS+SS/SS/SS+STL |
08 | Stem | Stain steel |
07 | Seat ring | See body material |
06 | Disc |
NO. | Part name | WCB | LCB | WC6 | WC9 |
05 | Stud and nut | A193 Gr B7/A194 Gr 2H | A320 Gr L7/A194 Gr 4 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 |
04 | Gland Packing | Graphite | Graphite | Graphite | Graphite |
03 | Gasket | Spiral wound/Soft lron | Spiral wound/Soft lron | Spiral wound/SS304 | Spiral wound/SS304 |
02 | Bonnet | A216 Gr WCB | A352 Gr LCB | A271 Gr WC6 | A271 Gr WC9 |
01 | Body | A216 Gr WCB | A352 Gr LCB | A271 Gr WC6 | A271 Gr WC9 |
NO. | Part name | C5 | C12 | CF8 | CF8M |
05 | Stud and nut | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B16/A194 Gr 4/7 | A193 Gr B7/A194 Gr 2H |
04 | Gland Packing | Graphite | Graphite | Graphite | Graphite |
03 | Gasket | Spiral wound/Soft lron | Spiral wound/Soft lron | Spiral wound/SS304 | Spiral wound/SS316 |
02 | Bonnet | A217 Gr C5 | A217 Gr C12 | A351 Gr CF8 | A351 Gr CF8M |
01 | Body | A217 Gr C5 | A217 Gr C12 | A351 Gr CF8 | A351 Gr CF8M |