Koso 551T Top Guided Single Seat Globe Valves
BRAND : Koso
KOSO top-guided control valves are compact and simple structured. They are usable in a broad scope of applications, including all cavitation-free liquid services as well as steam and gas services that meet noise regulations.
Aiming at quick delivery and low prices, 551T is limited to JIS 10K, ANSI(JPI)150 lbs. with no optional features. 520T covers minimum flow applications, with its small plug specially designed not to break off.
501T: Top Guided Single Seat Globe Valves
551T: Top Guided Single Seat Globe Valves/JIS10K and ANSI class 150 only
520T: Small Plug Single Seat Globe Valves
Specifications
| Body type | 501T: Globe type | 551T: Globe type | 520T: Globe type | |
|---|---|---|---|---|
| 511T: Angle type | ||||
| Body size | 1/2"(15A) to 8"(200A) | 3/4"(20A) to 3"(80A) | 1/2"(15A) to 1"(25A) | |
| Plug size | 1/8"(6A) to 8"(200A) | 1/4"(8A) to 3"(80A) | 1/64"(1A) to 1/16"(3A) | |
| Body rating | ANSI Class 150 to 1500, JIS 10K to 63K | ANSI Class 150, JIS 10K | ANSI Class 150 to 600, JIS 10K to 40K | |
| Fluid temperature | -196 to +538° | -5 to +200° | -45 to +538° | |
| Connections | Flanged (RF, RTJ), Butt Weld, Socket Weld. | |||
| Body materials | SCPH2/WCB, SCPH21/WC6, SCPL1/LCB, SCS13A/CF8, SCS14A/CF8M, etc. | |||
| Trim materials | SUS316, SUS316+Stellite, SUS316+TFE etc. | SUS316+Stellite | ||
| Rangeability | 50:1 to 30:1 | 6.8 to 8.8 | ||
| Flow characteristics | Linear, Eq%, On-Off | Modified Eq% | Needle flow | |
| Leakage | Metal seat | Rated Cv × 0.01% ANSI Class VI | ||
| Soft seat | Bubbletight ANSI Class VI | |||
| Actuator combination | 5200LA: Pneumatic Diaphragm Actuator 6300LA: Pneumatic Cylinder Actuator 3500LB,3600LB: Solid State Electronic Actuator 3800LA: Microprocessor Actuator | |||
