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Ring Disc
TYPE NC
NC is a lower cost solution which combines the advantages of the NZ with a shorter face-to-face length and reduced weight, where marginally higher pressure drops are acceptable.
Materials according to customers request, such as Low Temperature Carbon Steel, Nickel-Aluminium-Bronze, Duplex, Superduplex, 6Mo, etc.
Features:
- Short Face-to-face Length
- Fully Balanced Ring Disc
- Single Spring
- Specifically for Gas Applications
- Worldwide Patented Design
- Low Pressure Loss
- Maintenance Free
- Easily Adjustable on Site
- 12" - 88" (DN 300 - DN 2200)
- Up to PN 400 (ANSI 2500)
| Denomination | Carbon Steel | Stainless Steel |
| Valve Body | ASTM A 216 WCB | ASTM A 351 CF8M |
| Seat | AISI 316 | ASTM A 351 CF8M |
| Valve Disc | ASTM A 351 CF8M | ASTM A 351 CF8M |
| Guide Bush / Spacer | AISI 316 | AISI 316 |
| Spring | AISI 316 | AISI 316 |
| Flow Diffuser | ASTM A 216 WCB | ASTM A 351 CF8M |
| Central Tie Bolt | ASTM A 193 B8M | ASTM A 193 B8M |
