Kev ntsuas lub cev siab
| ANSI B 16.34 Ntu 7.1 | ||
| Valve size NPS | Kuaj siab | Test lub sij hawm sce |
| DN50 ≥ | 1: 5 npaug ntawm 100 ° CF | 15 thib ob |
| DN65-200 | Kev ntsuam xyuas ntawm AN ST Class | 60 vib nas this |
| DN250 ≤ | Max. kev khiav hauj lwm siab | 180s ob |
| Tshawb xyuas qhov siab tshaj qhov siab tshaj plaws ua haujlwm siab valve 1.5 npaug siab dua (100F) | ||
1.Seal hydrostatic test: Lub siab yuav tsum yog ntau tshaj 1.1 npaug ntawm kev ua haujlwm pressare los ntawm foob hydrastatic test.
| ANSI B 16.34 Ntu 7.2 | ||
| Valve size NPS | Kuaj siab | Test lub sij hawm sce |
| DN50 ≥ | 1: 5 npaug ntawm 100 ° CF | 15 thib ob |
| DN65-200 | Kev ntsuam xyuas ntawm AN ST Class | 30 thib ob |
| DN250 ≤ | Max. kev khiav hauj lwm siab | 60 vib nas this |
| Tshawb xyuas qhov siab tshaj qhov siab tshaj plaws ua haujlwm siab valve 1.5 npaug siab dua (100F) | ||
2.Seal air test: Seal air to test yog raws li 80psig (6kgf / cm^ nin-actiue gas los yog puv puv nrog huab cua, tom qab txhaj tshuaj valve, ces xyuas nws yog to los yog tsis los ntawm ib sab ntawm lub valve.
Qhov loj me
| DN(mm) | A | B | L | D | D1 | D2 |
| 15 | 129 | 64 | 210 | 15 | 21.3 | 42 |
| 20 | 129 | 64 | 230 | 15 | 26.7 ib | 42 |
| 25 | 159 | 76 | 230 | 20 | 33.4 ib | 48 |
| 32 | 159 | 85 | 260 | 25 | 42.2 ib | 60 |
| 40 | 230 | 95 | 300 | 32 | 48.3 ib | 76 |
| 50 | 230 | 100 | 300 | 40 | 60.3 | 89 |
| 65 | 300 | 159 | 300 | 50 | 76.1 ib | 114 |
| 80 | 300 | 170 | 300 | 65 | 88.9 ua | 140 |
| 100 | 450 | 192 | 325 | 80 | 114.3 ib | 165 |
| 125 | 450 | 208 | 325 | 100 | 141.3 ib | 216 |
| 150 | 450 | 241 | 350 | 125 | 168.3 ib | 219 |
