針型儀表閥的結(jié)構(gòu)特征
簡(jiǎn)要描述：RETZ進(jìn)口針型閥、儀表閥組、壓力表閥設(shè)計(jì)可以確保在苛刻的環(huán)境下使用，閥體特殊的加強(qiáng)設(shè)計(jì)確保壓力密封可靠性更高
品牌：RETZ- 工況條件：開啟/截止
- 溫度/壓力：P-T:640bar-640℃
- 更新時(shí)間：2022/09/14
構(gòu)造特點(diǎn) Structural characteristics
閥體和閥蓋中使用的特殊材料墊片適用于臨界電站 Special material gaskets used in the valve body and bonnet are suitable for critical power plants
填料聚四氟乙烯（232℃）柔性石墨填料（648℃）Packing PTFE (232 ℃) Flexible graphite packing (648 ℃)
產(chǎn)品的設(shè)計(jì)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
不旋轉(zhuǎn)閥芯，以確保壓力關(guān)閉的緊密性不旋轉(zhuǎn)閥桿承受超高壓和超高溫 Do not rotate the valve element to ensure the tightness of pressure closing. Do not rotate the valve stem to withstand ultra-high pressure and ultra-high temperature
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
閥桿螺紋為滾壓制減少磨損長(zhǎng)手柄大大減少操作扭矩 The valve rod thread is rolled to reduce wear. The long handle greatly reduces the operating torque
閥桿和填料函接頭和閥體是相扣設(shè)計(jì)，防止閥桿脫離閥門100%氮?dú)忪o壓測(cè)試 The joint between the valve rod and stuffing box and the valve body are designed to be interlocked to prevent the valve rod from leaving the valve for 100% nitrogen static pressure test
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 |
非旋轉(zhuǎn)閥桿 Without rotating the valve stem
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 |
所有主要元件材料都是可以追溯的 All main component materials are traceable
材料∶316SS，316LSS，316H，304SS，304LSS，321SS，A105，F(xiàn)91,F92,F11,F22,20#,12Cr1MoV,1Cr18Ni9Ti,LF2,16Mn, WB36，347SS，347H蒙乃爾，英科乃爾，哈氏合金、雙相不銹鋼2205，2507，鈦材等。
可以定制特殊產(chǎn)品 Special products can be customized
溫度壓力等級(jí)：-65°F到1200°F（-54℃到648℃）Temperature and pressure rating: - 65 ° F to 1200 ° F (- 54 ° C to 648 ° C)
孔徑和流量系數(shù) Aperture and flow coefficient
孔徑∶0.156-0.78”（4毫米-20毫米）Aperture: 0.156-0.78 "(4mm-20mm)
流量系數(shù)∶0.35至7.0 Flow coefficient: 0.35 to 7.0
連接形式 Connection form
承插焊連接（ASME B16.11）Socket weld connection (ASME B16.11)
對(duì)焊連接（ASME B16.25）Butt welding connection (ASME B16.25)
活接頭焊接 Union welding
雙卡套 Double ferrule
內(nèi)、外螺紋 Internal and external threads
法蘭 Flange
壓力/溫度/流量系數(shù)/數(shù)據(jù) Pressure/temperature/Flow/data
壓力/溫度/流量系數(shù)/數(shù)據(jù) Pressure/temperature/Flow/data
針閥流量系數(shù)數(shù)據(jù)Needle Valve Flow Data
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