"Otitọ, Innovation, Rigorousness, ati Imudara" yoo jẹ ero inu ile-iṣẹ wa pẹlu igba pipẹ lati kọ pẹlu ara wa pẹlu awọn onibara fun ijẹ-pada sipo ati anfani fun Olupese ti China JIS Standard 16inch Dn 400 Ss / Wcb / pH2 Ṣiṣayẹwo Iwọn Flange nla, Ni ibamu si imoye iṣowo ti 'onibara akọkọ, ṣaju siwaju', a tọkàntọkàn kaabọ awọn alabara lati ile ati ni okeere lati ni ifọwọsowọpọ pẹlu a fun ọ ni iṣẹ ti o dara julọ!
“Otitọ, Innovation, Rigorousness, ati Imudara” yoo jẹ ero inu ti ile-iṣẹ wa pẹlu igba pipẹ lati kọ pẹlu ara wa pẹlu awọn alabara fun isọdọtun ti ara ẹni ati anfani ajọṣepọ funChina Meji Awo Ṣayẹwo àtọwọdá,Industrial Valve, dn rogodo àtọwọdá , Pẹlu iṣẹ giga ati iyasọtọ, a ti ni idagbasoke daradara pẹlu awọn alabara wa. Imọye ati imọ-bi o ṣe rii daju pe a ti nigbagbogbo n gbadun igbẹkẹle lati ọdọ awọn alabara wa ninu awọn iṣẹ iṣowo wa. "Didara", "otitọ" ati "iṣẹ" jẹ ilana wa. Iduroṣinṣin ati awọn adehun wa wa pẹlu ọwọ si iṣẹ rẹ. Kan si wa Loni Fun alaye diẹ sii, kan si wa ni bayi.
Wiwa titẹ ara
| ANSI B 16.34 Abala 7.1 | ||
| Àtọwọdá iwọn NPS | Idanwo titẹ | Idanwo akoko sce |
| DN50≥ | 1: 5 igba 100 ° CF | 15 iṣẹju-aaya |
| DN65-200 | Rating ti AN ST Class | 60 iṣẹju-aaya |
| DN250≤ | O pọju. titẹ ṣiṣẹ | 180 iṣẹju-aaya |
| Wa titẹ ju àtọwọdá titẹ iṣiṣẹ ti o pọju 1.5 ti o ga julọ (100F) | ||
1.Seal hydrostatic igbeyewo: Awọn titẹ yẹ ki o wa siwaju sii 1.1 igba ju ṣiṣẹ pressare nipa asiwaju hydrastatic igbeyewo.
| ANSI B 16.34 Abala 7.2 | ||
| Àtọwọdá iwọn NPS | Idanwo titẹ | Idanwo akoko sce |
| DN50≥ | 1: 5 igba 100 ° CF | 15 iṣẹju-aaya |
| DN65-200 | Rating ti AN ST Class | 30 iṣẹju-aaya |
| DN250≤ | O pọju. titẹ ṣiṣẹ | 60 iṣẹju-aaya |
| Wa titẹ ju àtọwọdá titẹ iṣiṣẹ ti o pọju 1.5 ti o ga julọ (100F) | ||
2.Seal air test: Seal leakage test da lori 80psig (6kgf / cm ^ nin-actiue gaasi tabi kikun ti o kun fun afẹfẹ, lẹhin iwọn lilo valve, lẹhinna ṣayẹwo pe o jẹ jijo tabi kii ṣe nipasẹ ẹgbẹ kan ti valve.
Awọn iwọn akọkọ
| DN(mm) | A | B | L | D | D1 | D2 |
| 15 | 129 | 64 | 210 | 15 | 21.3 | 42 |
| 20 | 129 | 64 | 230 | 15 | 26.7 | 42 |
| 25 | 159 | 76 | 230 | 20 | 33.4 | 48 |
| 32 | 159 | 85 | 260 | 25 | 42.2 | 60 |
| 40 | 230 | 95 | 300 | 32 | 48.3 | 76 |
| 50 | 230 | 100 | 300 | 40 | 60.3 | 89 |
| 65 | 300 | 159 | 300 | 50 | 76.1 | 114 |
| 80 | 300 | 170 | 300 | 65 | 88.9 | 140 |
| 100 | 450 | 192 | 325 | 80 | 114.3 | 165 |
| 125 | 450 | 208 | 325 | 100 | 141.3 | 216 |
| 150 | 450 | 241 | 350 | 125 | 168.3 | 219 |
