阀门试验台/VALVE TEST BENCH
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  阀门试验台/VALVE TEST BENCH >> JP-QT100阀门试验台  
 
 

Test Equipment for Ball valve DN15-100

DN15-100球阀试验台 (数显全自动型)

 

1.   Test principle检测原理

 

Ball valve is tested for:球阀进行如下检测 

a.    Pressure test with AIR inside 24 bar. Duration 30 sec after pressure reach 24 bar.

强度检测:24 bar。保压时间:30秒。 

b.    Leakage test with AIR inside 6 bar. From left to right. Duration 30 sec no bubbles.

右密封试验:6 bar。保压时间:30秒。 

c.    Leakage test with AIR inside 6 bar. From right to left. Duration 30 sec no bubbles.

左密封试验:6 bar。保压时间:30秒。 

 

2.   Observation观察

 

a.    Pressure test with AIR inside 24 bar.

a. 24 bar 强度检测 

Valve is open. Test equipment door or cover must be closed (without closing door not allowed start testing).

Water pump should fill the water in the open chamber. In parallel fill AIR pressure 24 bar inside the valve. All together should take not more than 30 sec. After stabilisation follow 15 sec visual inspection.

打开被测阀门,设备门必须为关闭状态(门开启时,不允许进行检测),24 bar气压上升时,水泵也必须开启向容腔内注水, 以上两者必须在30秒内完成,然后目测15秒。

b.    Leakage test with AIR inside 6 bar. From left to right.

b.    6 bar 右密封检测 

       Valve is closed. Test door is open.

Fill in Air pressure from left side 6 bar. Slowly open valve in order to see bubbles on small observation glass with water. After that close the valve and wait until valve stop leaking. In 30 second observe leakage, no bubbles in 30 sec.

关闭被测阀门,打开设备门。将6bar的气体从左端进入通入到被测阀门的腔体内,慢慢地打开被测阀门并观察玻璃容器内地气泡,然后关闭被测阀门直到无泄漏时,30秒内无气泡为合格品。 

c.    Leakage test with AIR inside 6 bar. Repeat procedure of testing from right to left.

c.从右向左,重复以上动作,检测左密封 

 

3.   Equipment features设备概述

 

Water chamber should be from stainless steel.

盛水容腔为不锈钢制作。 

Door window should be made out of hardened glass in order to protect worker in case of leakage and broken valve.

观察门上需安装有钢化玻璃,保护操作者,防止被测地泄漏和破裂。 

Each side should be equipped with precise manometers 0-60 bar D100 mm.

必须安装有两只60bar D100mm的精确压力表。 

Valve fixture on one side should be fixed and another movable in order to cover length of valves from DN15-100.

 被测阀门在安装时必须保证一端固定,另一端可移动,以适合DN15-100的阀门的结构长度的需要。

Valve tightening fixture is special for each DN and should be easily replaceable.

被测的每种规格阀门的紧固件必须保证轻松可拆换性。 

For each Valve DN should be make special seat in order to position valve in the centre of fixture.

每种被测阀门必须有专用支架以保证对中安装。 

Valve should be tighten with O ring rubber with max. 25% compression.

阀门的密封需通过“O”型密封圈实现,密封圈最大压缩量不允许超过25%。 

Force for tightening should be calculated in a way to withstand internal pressure of 24 bar and DN100 valve dimension.  Preferably should be used pneumatic cylinders.

固定被测阀门的力必须经过计算,需满足24bar DN100的阀门要求。顶紧需用气缸来实现。

 

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