內(nèi)螺紋針型閥儀表閥 壓力表閥
簡要描述：RETZ進口內(nèi)螺紋針型閥儀表閥，壓力表閥兩端為G、NPT內(nèi)螺紋連接,與管道外螺紋對接,具有受壓大、嚴密的密封性能,通常用在較小流量,較高壓力的氣體或者液體介質(zhì)的開通、斷流、節(jié)流
品牌：RETZ- 工況條件：開啟/截止/節(jié)流
- 溫度/壓力：P-T: 483bar@25℃/246bar@648℃
- 更新時間：2022/09/15
進口內(nèi)螺紋針型閥儀表閥，壓力表閥性能參數(shù) Performance parameter
內(nèi)螺紋針型閥亦稱內(nèi)螺紋截止閥、內(nèi)螺紋儀表閥、內(nèi)螺紋壓力表閥、內(nèi)螺紋節(jié)流閥 RETZ Internal thread needle valve is also called internal thread stop valve, internal thread instrument valve, internal thread pressure gauge valve and internal thread throttle valve
結(jié)構(gòu)特征:
錐面密封,活動閥瓣 Structural features: cone seal, movable valve disc
流通型式:直通，角式 Circulation type: straight, angle
標準 Standard∶ ANSI B16.34 ASME
工作壓力 Working Pressure∶483bar@25℃/246bar@648℃
額定溫度Temperature Rating∶648℃柔性石墨填料 with Graphite packing
材料:304SS,304L,316SS,316L,316H,321,A105,F91,F92,F22,16Mu,LF2等
規(guī)格尺寸:1/4＂－1＂
進口內(nèi)螺紋針型閥儀表閥，壓力表閥結(jié)構(gòu)特征 structure characteristics
產(chǎn)品的設(shè)計符合ASME VIII，ANSI B16.34/B16.5B31.3 和API6D的相關(guān)要求 The product design shall conform to ASME VIII, ANSI B16.34/B16.5B31.3 and API6D
錐形閥芯 Conicalvalvecore
| 球形閥芯 Sphericalvalvecore
|
No. | 部件描述 Part description | 材料 Material | ||
1 | 螺釘 Screw | 304SS | 304SS | CS |
2 | T型手柄T bat handle | 304SS | 304SS | CS |
3 | 閥桿 stem | 316LSS | 304LSS | 410SS |
4 | 密封壓蓋 gland retainer | 316SS | 304SS | CS |
5 | 防松螺母 Check nut | 304SS | 304SS | CS |
6 | 填料接頭Gland body | 316LsS | 304LSS | CS |
7 | 填料 Gland packing | 柔性石墨或PTFE Graphite orPTFE | 柔性石墨或PTFE Graphite orPTFE | 柔性石墨或PTFE Graphite orPTFE |
8 | 墊片 The gasket | 316SS | 304SS | 304SS |
9 | 鎖銷 Lock pin | 304SS | 304SS | 304SS |
10 | 閥體 Valve Body | 316SS | 304SS | CS |
11 | 閥芯 Valve core | 司太立STELLITE | 司太立STELLITE | 司太立STELLTE |
閥瓣可變換為節(jié)流型、針型、球型,可用以較精確的流量調(diào)節(jié) The valve disc can be changed into throttling type, needle type and ball type for more accurate flow regulation
不旋轉(zhuǎn)閥芯,以確保壓力關(guān)閉的緊密性 Do not rotate the spool to ensure tight pressure closure
不旋轉(zhuǎn)閥桿承受超高壓和超高溫 Non rotating valve rod withstands ultra-high pressure and ultra-high temperature
No. | 部分描述 Part description | 材料 Material |
1 | 閥體 Valve Body | 316SS |
2 | 下閥桿 The lower stem | 316SS+STELLITE |
3 | 墊圈 The gasket | 316SS |
4 | 填料 Gland packing | 柔性石墨或PTFEGraphite or PTFE |
5 | 壓緊墊圈 Pressure washer | 316SS |
6 | 固定螺釘 Retaining screw | 304SS |
7 | 鎖緊螺母 Lock nut | 304SS |
8 | 上閥桿 The upper stem | 316SS |
9 | 密封壓蓋 gland retainer | 316LSS |
10 | T型手柄T bat handle | 304SS |
11 | 螺釘 Screw | 304SS |
填料位于閥桿的下方,以隔絕螺紋與介質(zhì)的接觸 The packing is located below the valve stem to isolate the contact between the thread and the medium
閥桿和填料函接頭和閥體是相扣設(shè)計,防止閥桿脫離閥門 The joint between the valve stem and stuffing box and the valve body is designed to be interlocked to prevent the valve stem from leaving the valve
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