(大排量)進口雙閥座蒸汽疏水閥 主要性能 Main performance

雙閥座大排量蒸汽疏水閥在冷凝水輕或重的負荷下工作都十分有效率，它們的排水量持續且高效，保證最大的熱傳遞。此類閥門是帶自動溫度控制排水裝置的最好選擇  RETZ  Double seat large displacement steam traps work very efficiently under light or heavy load of condensed water. Their drainage capacity is continuous and efficient, ensuring maximum heat transfer. This type of valve is the best choice with automatic temperature control drainage device.

設計標準:ISO6552；EN26704  Design standard: iso6552; EN26704

連接長度∶EN26554；GB/T12250 Connection length: EN26554; GB/T12250

試驗與檢驗∶EN26948；GB/T12251 Test and inspection: en26948; GB/T12251

規格尺寸：1-1/4-6"(法蘭)  Specification and size: 1-1/4-6"(flange, internal thread RC, NPT)

排量：5000kg/h~30000kg/h 排量?5000kg/h~30000kg/h

公稱壓力：16-40Bar Nominal pressure: 16-40bar

使用壓差范圍:0.1-32Bar Operating pressure difference range: 0.1-32bar

介質溫度：≤300℃  Medium temperature: ≤ 300 ℃

性能曲線圖 Performance curves

上圖中的冷凝水排量是基于飽和溫度下的，在蒸汽設備剛開機狀態時冷凝水為冷態，疏水閥內部熱靜力排空氣閥打開可額外增加冷凝水的排量。

GFT43、GFT44(DN32-DN100)  高排量型 壓差bar（×100=KPa）

GFT43、GFT44(DN80-DN125)  高排量型 壓差bar（×100=KPa）

特點∶ Performance characteristics

平衡雙閥座設計，與同類的疏水閥相比體積小排量大，在需要大排量排除凝結水的工況，更能充分顯示其優越的性能  RETZ The balanced double valve seat design, compared with similar drain valves, is small in volume and large in displacement, and can fully display its superior performance under the condition that large displacement is required to discharge condensate

閥體內設防沖蝕擋板，耐水錘震動 Anti erosion baffle is set in the valve body to resist water hammer vibration

背壓率大于90%，便于凝結水回收 The back pressure rate is greater than 90%, which is convenient for condensate recovery

內置自動排空氣裝置，啟動迅速，無空氣氣堵，排除不可凝結氣體性能好，可在線更換 Built in automatic air exhaust device, quick start, no air blockage, good performance of removing non condensable gas, and online replacement

排水閥座孔始終在凝結水水位以下，形成水封，工作時無新鮮蒸汽泄漏 The drain valve seat hole is always below the condensate water level, forming a water seal, and there is no fresh steam leakage during operation

(大排量)進口雙閥座蒸汽疏水閥 主要零件材料 Main parts and materials

1、閥體 GGG40/A216 WCB/A351 CF8 

2、閥蓋GGG40/A216 WCB/A351CF8 

3、閥蓋墊片A240 304+石墨

4、閥蓋螺栓A193 B7 

5、浮球A240 304 

6、浮球連桿結構ASTM CF8 

7、閥座結構主體ASTM CF8 

8、上閥芯 A276 430

9、下閥芯 A276 430

10、副閥座ASTM CF8 

11、雙閥座連桿A240 304 

12、閥座螺栓A193 B8

13、排空氣裝置組件 A、膜盒 A240 304  B、彈簧17-4PH  C、膜盒支撐片A240 304  D、膜盒閥座 A276 430  E、膜盒固定罩A240 304 

14、擋板 A240 304

安裝示意圖 Installation diagram

請按閥體上流向箭頭所示安裝，注意浮球臂處于水平位置以確保其能垂直升降 Please install as shown by the flow arrow on the valve body. Note that the float arm is in the horizontal position to ensure that it can rise and fall vertically