Ruv ntsaws steel Rooj vag Valve yog qhib thiab kaw cov kev coj ntawm lub rooj vag, tsuas yog kaw thiab tag nrho kaw, tsis tuaj yeem siv rau kev tswj hwm thiab pov tseg. Rooj vag valve rau ntawm lub rooj zaum hauv lub rooj thiab rooj vag hu rau kev sib khi, feem ntau li cov khoom siv sib khi hlau kom nce kev hnav khaub ncaws Muaj cov rooj vag nruj thiab lub rooj vag elastic, raws li lub rooj vag sib txawv, lub rooj vag valve tau muab faib ua ke rau hauv lub rooj vag rigid valve thiab elastic Rooj Valve.
Cov nplhab rau Forged Steel Rooj Zaum Valve feem ntau siv cov khoom tawg:
| Tsis muaj | Lub npe ntawm ib feem | Cs Cim | Raws li rau Astm | Ss rau astm | |
| Tauv Taus05 | Tosta182 F22 | Ntaus A182 F304 (l) | Ntaus A182 F316 (L) | ||
| l | lub cev ntawm lub valve | A105 | A182 F22 | A182 F304(L) | A182 F316(L) |
| 2 | Lub Rooj Zaum Valve | A276 420 | A276 304 | A276 3040 | A276 316(L) |
| 3 | Hloov Phaj | A276 420 | A276 304 | A276 304(L) | A276 316(L) |
| 4 | Qia ntawm valve | A182 F6a | A182 F304 | A182 304(L) A182 F316(L) | |
| 5 | phav phav | 304 | 304(L) | 316(L) | |
| 6 | lub pob nees | A105N | A182 F22 | A182 F304Fll | A182 F316(L) |
| 7 | Cov khoom ntim | Saj zawg zog graphite | A276 304 | ||
| 8 | Nqa bolts \/ ceev | A193 B8／A194 2H A193 B8／A194 4 | A193 B8/A194 B A193 V8/A194 8M | ||
| 9 | Ntim Tes Tes Tsho | A276 420 | A182 F304 | ||
| 10 | Cov Phaj | A105N | A182 F304 | ||
| 1l | Lub qhov muag ntsia | A276 420 | |||
| 12 | pab neeg | A197 | |||
| 13 | kev txuas ntxiv | A105 A182 F22 AL 82 F22 F304 (L) A182 F316 (L) | |||
| 14 | qis tsheb laij teb | A182 F304 A182 F304 A182 F304 (L) AL 82 F316 (L) | |||
| 15 | Tsheb Laij Teb Sab Sal Laij Teb | A182 F304 A182 F304 | A1 82 F304(L) | A182 F316(L) | |
| 16 | paj | A276 420 | A182 F304 | ||
| 17 | lub xauv | A194 2H | A194 4 | A194 8 | A194 8M |
| Siv tau nruab nrab | Dej, vapor, roj, thiab lwm yam. | Dej, vapor, roj, thiab lwm yam. | Nitric acid, acetic acid, thiab lwm yam. | ||
| Siv tau kub | {{0 {}} degree -425 degree | {{0 {}} degree -550 degree | {{0 {}} degree -180 degree | ||