Features:
Connection : Butted welding, flange RTJ
Pressure seal bonnet
Compact structure, well to be opened and closed. Lower in height, easy maintenance.
Temperature: less than 570 degree C
Size range: DN10 – DN100, 3″ to 6″
Pressure range: PN10Mpa to PN32Mpa, Class 1500 to Class 3500
Operating : hand wheel, electric motor, gear operated
Material List:

| Part Name | ASTM Material | ||
| WCB | WC6 | WC9 | |
| Body | WCB | WC6 | WC9 |
| BONNET | 25# | 12Cr1MoVA | 12Cr1MoVA |
| WCB | WC6 | WC9 | |
| STEM | 38CrMoAIA | 38CrMoAIA | 38CrMoAIA |
| 1Cr17Ni2 | 20Cr1Mo1V1A | 20Cr1Mo1V1A | |
| DISC | WCB | WC6 | WC9 |
| SEALING RING | Carbide alloy | ||
| PACKING | Fexible Graphite | ||
| YOKE NUT | Al-bronze | ||
Suitable Temperature:
| SHELL MATERIAL | APPLICATION TEMPERATURE(°C) | APPLICABLE MEDIUM |
| ASTM A216 WCB | ≤425 | STEAM, WATER |
| ASTM A217 WC1 | ≤450 | |
| ASTM A217 WC6 | ≤550 | |
| ASTM A217 WC9 | ≤590 |
Dimension List:
| Dimensions | |||||||||||
| DN(mm) | 10 | 15 | 20 | 25 | 32 | 40 | 50 | 50 | 65 | 80 | 100 |
| L | 120 | 150 | 135/170 | 135/170 | 170/180 | 230 | 250 | 320/350 | 370/260 | 400/430/470 | 455/560 |
Applications:
Suitable for that high temperature and high pressure resisting features and for water, steam, oil goods pipelines.







