内螺纹针型阀仪表阀 压力表阀
简要描述：RETZ进口内螺纹针型阀仪表阀，压力表阀两端为G、NPT内螺纹连接,与管道外螺纹对接,具有受压大、严密的密封性能,通常用在较小流量,较高压力的气体或者液体介质的开通、断流、节流
品牌：RETZ- 工况条件：开启/截止/节流
- 温度/压力：P-T: 483bar@25℃/246bar@648℃
- 更新时间：2022/09/15
进口内螺纹针型阀仪表阀，压力表阀性能参数 Performance parameter
内螺纹针型阀亦称内螺纹截止阀、内螺纹仪表阀、内螺纹压力表阀、内螺纹节流阀 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
结构特征:
锥面密封,活动阀瓣 Structural features: cone seal, movable valve disc
流通型式:直通，角式 Circulation type: straight, angle
标准 Standard∶ ANSI B16.34 ASME
工作压力 Working Pressure∶483bar@25℃/246bar@648℃
额定温度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
规格尺寸:1/4＂－1＂
进口内螺纹针型阀仪表阀，压力表阀结构特征 structure characteristics
产品的设计符合ASME VIII，ANSI B16.34/B16.5B31.3 和API6D的相关要求 The product design shall conform to ASME VIII, ANSI B16.34/B16.5B31.3 and API6D
锥形阀芯 Conicalvalvecore
| 球形阀芯 Sphericalvalvecore
|
No. | 部件描述 Part description | 材料 Material | ||
1 | 螺钉 Screw | 304SS | 304SS | CS |
2 | T型手柄T bat handle | 304SS | 304SS | CS |
3 | 阀杆 stem | 316LSS | 304LSS | 410SS |
4 | 密封压盖 gland retainer | 316SS | 304SS | CS |
5 | 防松螺母 Check nut | 304SS | 304SS | CS |
6 | 填料接头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 | 垫片 The gasket | 316SS | 304SS | 304SS |
9 | 锁销 Lock pin | 304SS | 304SS | 304SS |
10 | 阀体 Valve Body | 316SS | 304SS | CS |
11 | 阀芯 Valve core | 司太立STELLITE | 司太立STELLITE | 司太立STELLTE |
阀瓣可变换为节流型、针型、球型,可用以较精确的流量调节 The valve disc can be changed into throttling type, needle type and ball type for more accurate flow regulation
不旋转阀芯,以确保压力关闭的紧密性 Do not rotate the spool to ensure tight pressure closure
不旋转阀杆承受超高压和超高温 Non rotating valve rod withstands ultra-high pressure and ultra-high temperature
No. | 部分描述 Part description | 材料 Material |
1 | 阀体 Valve Body | 316SS |
2 | 下阀杆 The lower stem | 316SS+STELLITE |
3 | 垫圈 The gasket | 316SS |
4 | 填料 Gland packing | 柔性石墨或PTFEGraphite or PTFE |
5 | 压紧垫圈 Pressure washer | 316SS |
6 | 固定螺钉 Retaining screw | 304SS |
7 | 锁紧螺母 Lock nut | 304SS |
8 | 上阀杆 The upper stem | 316SS |
9 | 密封压盖 gland retainer | 316LSS |
10 | T型手柄T bat handle | 304SS |
11 | 螺钉 Screw | 304SS |
填料位于阀杆的下方,以隔绝螺纹与介质的接触 The packing is located below the valve stem to isolate the contact between the thread and the medium
阀杆和填料函接头和阀体是相扣设计,防止阀杆脱离阀门 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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