北京布莱迪BLD输油管线过滤器国内
耐压10MPA双膜片高静差压表双膜片式高静压差压表
Double diaphragm differential
pressure gauge for high steady
YCA YCAN
YCA 标准型 Standard style
YCAN 充液耐震型 Vibration-proof type
仪表特性Feature
● 耐压10MPa
Withstanding pressure10MPa
● 耐震型
Vibration-proof type
● 长尾隔膜
Capillary diaphragm
● 各种安装形式
Multifold mounting type
产品简介PRODUCT OVERVIEW
双膜片式高静压差压表主要用于过滤器的正负压力端，液体灌液位、泵出入口、输油管线、输气管线和加压泵站等场合的压力差的测量。本仪表具有较高的耐压性能，并适合于在有腐蚀性的环境中使用。
Mainly used for measuring the difference between two pressure values, in the plus and minus ends of filter, the level of liquid, the entrance and exit of pump, oil pipeline, gas pipeline and high pressure pump station and so on. It is excellent while overpressure take place, also suitable for corrosion environments.
技术参数FOUNCTIONAL FEATURES
执行标准：Q/YG BBI009-2005
Executive standard: Q/YG BBI009-2005
精度：1.6%, 2.5% （高于0.1MPa 可选1.6 级）
Accuracy: 1.6%, 2.5%
表玻璃：双层安全玻璃
Window: laminated safe glass
指针：铝，黑色，可调零
Pointer: aluminium, black, zero adjustable
表头形式：外径100，150 密闭型 干表（充油YCAN 可选）
Case: DS100, 150 airtight type dry gauge(oil filled YCAN available)
防护等级：IP65
Protection: IP65
膜片材质：316L（负压膜片）316Ti（正压膜片）
Diaphragm material: 316L（for negative pressure）316Ti（for positive pressure）
过程连接：316 不锈钢
Process connection: 316
表壳材质：304 不锈钢
Case material: 304SS
机芯材质：304 不锈钢
Movement: stainless steel 304
防爆塞和充油塞材质：耐油橡胶
The material of blow out vent and filling plug：oil resistant rubber
静压：盘面满量程
Steady: full scale value
动压：0.7 ×满量程
Fluctuating: 0.7 × FS
过压保护：双边耐压达到
10 MPa Overpressure protection: both ends support 10 MPa
使用温度：－ 20℃～60℃
Operate temperature: － 20℃～60℃
温度漂移：随介质温度每变化± 10℃，指针指示位置漂移± 0.8%
Thermal drift: ± 0.8% every ± 10℃ of media temperature
仪表量程：16KPa、25KPa、40KPa??600kPa （见规格代码表）
Range: 16KPa、25KPa、40KPa??600KPa(detail in range table)
表连接：M20×1.5 G1/2” NPT1/2， 1/4NPT内螺纹（不配三阀组时）另外还可以做成长尾法兰连接、长尾螺纹连接、隔膜长尾法兰连接（主要用于粘稠介质或 特殊材料膜片）。
Connection: M20× 1.5 G1/2” NPT1/2，NPT1/4thread inside (without 3-way manifold) or capillary connection, capillary threaded connection,diaphragm capillaryflanged connection(mainly used in viscous medium or diaphragm in special materials).
表盘：铝，白地黑字（表盘可以根据用户要求设计为非标形式）
Dial: aluminium, white with black letters(can be made as required)
仪表应配三阀组或五阀组使用。
The instrument should be used with 3-way manifold group or 5-way manifold.
表壳充油: YCAN 充填硅油；YCA 为干式
Oil filling: YCAN Silicon filled; type YCA is dry.
差压表外形几何尺寸 DIMENSIONS
注：1、差压表的接头可选螺纹为M20 × 1.5G1/2 及NPT1/2，如客户有特殊螺纹要求，需要先进行通知；
Note: Differential pressure gauges connection is optional M20X1.5G1/2 and NPT1/2, if you have special request, please consult with us.
差压表安装几何尺寸 Differential pressure gauges dimensions
（一） 后背板安装 Back mounting
（二） 固定支架安装 Steady rest mounting
量程范围规格代码表 TABLE OF RANGES
选型代码code 量程规格ranges
K110 16KPa K192 100 KPa K220 400KPa
K150 40KPa K196 160 KPa K240 600KPa
K170 60KPa K200 250KPa 以上量程为常见量程
以上量程以外规格另行商定 other rang please con snct with us
三阀组的安装、拆卸及使用方法
Three Valves mounting, disassembly and method of application
安装 Mounting
1. 正常使用差压表必须配三阀组或五阀组以保护差压表正常工作。
Use differential gauge must fit out three valves in order to insure it’s normal working.
2. 差压表和三阀组用两个索母紧固。索母和差压表接头密封面应加四氟垫片。
The differential gauge and there valves are connected by two nuts tightly, nutsand socket are with PTFEspacer.
3. 装有三阀组的差压表在使用前必须把中间阀门打开，并把正压阀门和负压阀门打开（当P+ 和P- 任意的压力先进入时，中间阀门能起到平衡差压表两腔体内的压力的作用，以免打坏差压表。）
Open the middle valve, negative pressure valve and positive pressure valve
before use the differential gauge, when either of P- or P+ input, the middle valve can have equilibrium activity, and avoid to damage the gauge.
4. 当P+、P- 的压力正常进入三阀组后，再关闭中间阀门使差压表正常工作。如差压表表针有轻微离零属正常，只需把表针调到零位即可（注意必须用肥皂水检验所有密封口是否泄露，如有泄露必须紧固。）
When P- and P+ normal input the three valves, the close the middle valve, to
make the gauge works right. If the gauge’s pointer is not at zero, please adjust it
to zero (note must use soap water to inspect the seal, if has leak, please tight.)
5. 差压表有后背板式安装（如图）和立管固定方法。（管卡子卡到管子上）。
The differential pressure gauge has back plate mounting (see the chart) and
standpipe fixed (the pipe with clamp).
拆卸 Disassembly
1. 首先打开三阀组的中间阀门。并打开正压和负压阀门（正压负压阀门原始为打开）
Open the middle valve, negative pressure valve and positive pressure valve (negative pressure valve and positive pressure valve original state is open).
2. 关闭总进气的两个阀门。（在设备的主管道上）
Close these two input valves (on the main pipe of equipment).
3. 拆下更换仪表（卸两个索母）注意用扳子卡住差压表的接头，只拆三阀组上的上索母。先松开一点放空压力，再把卡到管子上的卡子螺母松掉，并把卡子拿下。
Discharge instrument (discharge two nuts), use spanner lock the socket of gauge, and just discharge the nuts on three valves. Discharge pressure, then put off the nuts and clamp.
4. 再把三阀组上的两个索母慢慢松开把差压表取下。（注意一定要两个索母同时松）
Screw down the two nuts and take down the differential pressure gauge (note screw down these two nuts together)
5. 把新表装上的方法同上面安装方法最好换上两个新的四氟垫（确保不漏）
Then install the new gauge (same as mounting method), change two spacers to ensure it will not leak.
6. 把卡子卡好
Fix the clamp.
7. 先开总开关（两个），再关上差压表三阀组中间的阀门（新接口用肥皂水试漏）。
Open main switch (two), then close the middle valve. (use soap water to inspect leak)
8. 两分钟后把差压表表针调到零位。（如没有轻微离零不用调整）
Two minutes later, set the pointer at zero (if it does not out off zero, you needn’t to adjust).
注：在装表或卸表时，必须保证中间阀门和P+、P- 两个阀门全部开启，以确保仪表能正常使用。
如何选型 HOW TO ORDER
型号代码特性说明CODE CHARACTERISTICS
基本型号Basic type
YCA （标准型）双膜片式高静压差压表
(Standard stype) Double diaphragm differential pressure gauge for high steady
YCAN （充液耐震型）双膜片式高静压差压表
(Vibration-proof type) Double diaphragm differential pressure gauge for high steady
外 径Diameter
100 Ф 100mm
150 Ф 150mm
安 装 方 式Mounting
AH 径向后背板安装 Bottom connection with back mounting bracket
GK 管卡子安装 Pipe clamp mounting
设计代码Design
502 内卡式不锈钢外壳Stainless steel case Inside bayonet
量 程Ranges
K110 16KPa 请参看量程对照表 See range table
连 接 螺 纹Connection
M20 20 × 1.5 QLA = 长尾螺纹连接Capillary screw connection
G12 G1/2 QLB = 长尾法兰连接 Capillary flange connection
Z12 NPT1/2 QLD = 隔膜长尾法兰连接（用于粘稠介质或特殊材质膜片）
Connection with diaphragm
Z14 NPT1/4 TOO = 其他特殊要求的螺纹Other requests
备 选 项Options
TPB 非标准的度盘 Non-standard dial
FFA 一同装配三阀组 Combined with 3-way manifold
FFB 一同装配五阀组 Combined with 5-way manifold
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