北京布莱迪隔膜压力表YTP-100HF2

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H
北京布莱迪仪器仪表有限公司
隔膜式系列压力表(配接化学密封)
Diaphragm Series Pressure Gauge (chemical seals)
型号 名称特性索引页
Model Name and feature Index page
隔膜式系列压力表(配接化学密封)介绍H.00
Introduction of diaphragm series pressure gauge (chemical seals)
概述隔膜式系列压力表(配表化学密封)的选型
General Remark Type selection of diaphragm series pressure gauge (chemical seals)
隔膜隔离体(化学密封)型号介绍
Introduction of diaphragm Seals (chemical seals)
F 标准型一般螺栓式隔离体H.01
F standard style Normal threaded connection type
F1 I 型法兰隔离体H.02
1-Shape Flange
F2 敞开式法兰隔离体H.03
Open Flange
F10 在线型隔离体H.04
In Line Diaphragm Seals
F4 角度可调式隔离体H.05
Angle adjustable
F5 探入式隔离体H.06
Exteded type
F6; F7 卫生型隔离体H.07
Sanitary diaphragm seals
F11 夹心式隔离体H.08
Cell-type
F8 焊接一体式H.09
Welded one-piece type
F9 管道型H.10
In-Line-Type Diaphragm Seals To Fit Standard Flanges
MS MS 型法兰H.11
MS type flange
H ·00
H(27) 1 2008.11.6, 2:51 PM
BEIJING BRIGHTY INSTRUMENT CO.,LTD.
隔膜式压力表 Diaphragm pressure gauge
隔膜式系列压力表(配接化学密封),是由一个不同类型的通用压力表与一个隔膜隔离体配接而成的。
在通用型压力表与隔膜隔离体之间还可以配接具有特定要求的连接体。通过这种配接,使一般通用型
的压力表,增加了对特殊腐蚀要求、温度高、粘度大或含有固态浮游物、易凝固介质压力的测量性能。
隔膜式压力表(配接化学密封)在石油化工、制碱、化纤、制药、钢铁、食品等行业测量流体介质压
力时被广泛使用。
Series YTP diaphragm pressure gauge (chemical seals) is composed of a conventional pressure
measuring instrument, a connector and a diaphragm seal. This combination enables a general purpose
pressure gauge to measure media of strong corrosion, high temperature, high viscosity, containing
suspended matter or crystallizing.
Diaphragm gauges are universally used in petrochemical, alkali, chemical fiber, pharmaceutical,
metallurgical, and food industries.
H ·00 - 1
简介
Brief
H(27) 2 2008.11.6, 2:51 PM
H
北京布莱迪仪器仪表有限公司
结构原理
配接化学密封系列压力表的工作原理如图所示。
隔离膜片在被测介质压力P的作用下产生变形,压缩
内部充填的工作液形成一个相当于P 的压力P’。经
工作液的传导,使压力仪表中的弹性元件自由端产生
相应的变形,并按与之相配接的类别压力仪表工作原
理显示出被测的压力值。
Configuration Principle
This illustration shows the operating principle of the
diaphragm pressure gauge.
The diaphragm is deflected by the pressure of medium
P, and an equivalent pressure P’ is generated.
With transmitting through working fluid, the pressure
P’ deflect the elastic element of a pressure measuring
instrument which thereafter shows the pressure
value.
弹簧管
Bourdon Tube 压力仪表
Pressure Instrument
工作液
Working Fluid
隔离膜片
Isolation Diaphragm
Level Difference of diaphragm pressure gauge seals liquid
When a diaphragm pressure gauge is mounted with pressure gauge and diaphragm seal at different
positions, the effect of level difference should be taken into consideration (especially for a diaphragm gauge with
capillary). As the illustration shows, with a S.G. of the working fluid at approx. 1, and a level difference of 1m, the
pressure difference is approx. 0.01MPa/cm2.
隔膜式压力表 Diaphragm pressure gauge
Indication
Drop Height Working Fluid
Pressure Applied Part
Level Difference S.G. of Working Fluid Drop Height
隔膜压力表密封液的液位差
配接化学密封系列压力表在安装时
受压部份与通用型压力表处于不同位置
时,(尤其对于采用软管连接的隔膜表) 应
考虑到由于液位差对压力的影响。如图
所示。
(密封工作液比重大体等于1的,落
差1m,压力差约为0.01Mpa/cm 2。)
H ·00 - 2
H(27) 3 2008.11.6, 2:51 PM
BEIJING BRIGHTY INSTRUMENT CO.,LTD.
隔膜式压力表 Diaphragm pressure gauge
隔膜式压力表的温度影响
密封液的选择参考下表 Options for Working Fluid:
隔膜式压力表其温度的影响量与密封液膨胀系数隔膜刚度及受压部位的温度有关。
仪表在使用环境温度偏离20± 5℃时,受温度影响的示值最大变化率刚性不大于0.1%℃,柔性(远接式)不
大于0.1+0.025L%/℃(L- 传压导管长度m)
隔膜式压力表在制做时应注意根据不同的使用环境,选择相适应的密封工作液。
The temperature influence of a diaphragm pressure
gauge is relative to expansion coefficient of the
seals working fluid, rigidity of the diaphragm, and temperature
of pressed part.
When working temperature deviates from 20 ± 5
℃, the indication varies within 0.1%/℃ for rigid system,
and within 0.1+0.025L%/℃(L-length of capillary in m.)
for flexible system(remote mounting).
Diaphragm pressure gauges are filled with suitable
working fluid according to different operating conditions.
H ·00 - 3
Temperature Influence of diaphragm pressure gauge
工作液体名称隔膜装置温度范围比重g/cm2 体膨系数1/℃ 用 途
甘油水溶液
-5-100℃ 1.27 0.61 × 10-3 食品用
硅油(低粘度)
-40-130℃ 0.94 1.08 × 10-3 一般用
硅油(高粘度)
-30-240℃ 1.07 0.95 × 10-3 高温用
氟化油
-30-160℃ 1.93 0.75 × 10-3
氢、氧、盐类、酸类
植物油
-5-100℃ 0.93 1.03 × 10-3
食品用
或选适用的其它特珠要求的密封液
Name of Working Fluid Temperature range for Specific Gravity Factor of Expansion Purpose
diaphragm equipment
Glycerin-Water Solution Food
Silicon (low viscidity) General
Silicon (high viscidity) High Temperature
Fluorocarbon Oil Hydrogen, Oxygen, Salts, Acid
Vegetable Oil Food
or other special working fluid
H(27) 4 2008.11.6, 2:51 PM
H
北京布莱迪仪器仪表有限公司
隔膜式压力表 Diaphragm pressure gauge
隔膜式压力表的耐腐蚀性能
本公司制造的隔膜式压力表其耐腐蚀性能包括充分满足客户外部环境,及内部环境(介质腐蚀性)两个方面,根据
外部环境的要求,可以选择本公司生产的不同类型的压力表及与之相适应的隔离器进行配接。对于不同腐蚀性的
测量介质可通过选择与之相适应的防腐材料隔膜及防腐材料的隔离体部件来保证。
Corrosion-Proof Properties of diaphragm pressure gauge
Bright Instruments Diaphragm Pressure Gauge satisfies customers’ requirements of both environmental
conditions and flow conditions (corrosive media) based on its significant corrosion-proof properties. Choose
various pressure gauges combined with appropriate separator according to environmental conditions. Choose
material of diaphragm and housing compatible with corrosive media.
本公司一般的选用材料为SUS316-0Cr17Ni12m,以上耐蚀材料选择为常温情况,对在特殊情况下耐蚀材料的选择请与我公司
具体垂询。
Standard material is SUS316-0Cr17Ni12m, corrosion-proof materials should be applied in normal temperature. Others please contact us.
关于隔离膜片部分耐蚀材料的选择 Options for diaphragm material
隔膜材料:
SUS316,SUS316L 蒙乃尔合金(Cu30Ni70)
哈氏合金(H276c)钽(Ta)氟塑料(F4)钛膜片等
隔离体材料:
1Cr18Ni9Ti SUS316 SUS316L 钛材
氟塑料(F4),在不锈钢外部喷涂或内衬氟塑料
或适用其它材料
密封垫圈材料:
丁睛橡胶,氟橡胶,硅橡胶及氟塑料
Diaphragm Material:
SUS316, SUS316L, Monel (Cu30Ni70), Hastelloy
(H276c), Tantalum (Ta), Fluoroplastic (F4)
Partition Material:
1Cr18Ni9Ti, SUS316, SUS316L, Fluoroplastic (F4),
Fluoroplastic Coated Stainless Steel
Seals Mateial:
Nitrile Rubber, Viton, Silicone Rubber, Fluoroplastic
H ·00 - 4
腐蚀介质
Corrosive media
硫酸Vitriol (H2SO4)
硝酸Nitric acid (HNO3)
盐酸Muriatic acid (HCI)
磷酸 Phosphoric acid (H3PO4)
醋酸 Acetate (CH3COOH)
烧碱(NaOH)
纯碱 Pure alkali (Na2CO3)
小苏打 Saleratus (NaHCO3)
氯气Chlorine (CI)
溴 Bromine (Br2)
氨水 Ammonia (NH3)
海水 Sea water (30% NaCI)
耐腐蚀材料 Anti-corrosion materials
锡青铜
Tin bronze
(QSn6.5 - 0.4)
V
x






干:V 湿:x
干:△湿:x
x
V
SUS316


x





干:V 湿:x
干:x 湿:△
V
V
纯钽
Tantalum
(Ta)










x

蒙耐尔
Monel
(Ni70Cu30)
V
x
x
V
V



干:V 湿:x
干:○湿:x
x

哈氏合
Hastelloy
金(HC)
V
V
V
V


V

V



聚四氟乙Polytetraf
Cuoroethylene
烯(F4)
V
V
V
V
V
V
V
V
V
V
V
V
符号说明: ○ — 最佳; △ —有条件使用; V —可以使用; x — 不可以使用。
Remark: ○ best; △ conditional; V use; x no using。
H(27) 5 2008.11.6, 2:51 PM
BEIJING BRIGHTY INSTRUMENT CO.,LTD.
隔膜式压力表 Diaphragm pressure gauge
a a a a a
a a a a a a a a a a a a a a a a a a a
a a a a a
a a a a a
a a a a a
YTF
不锈钢压力表
Stainless Steel Pressure Gauge
YTN
耐震压力表
Vibration-Proof Pressure Gauge
R
直接连接
(不标代码)
Direct Connection
(without code)
G1(GMU-1)
过压保护器
Overpressure Protector
F 一般罗栓式
Standard Type
F1
I 型法兰
I-Shape Flange
F2B
推荐使用
Recommended
(MS500)最高500psi
Low pressure range up to 500psi
(MS300)最高2500psi
Up to 2500psi
MS 型
MS type US
Standard






Conventional Pressure Gauges
a a a a a a a a

接 体
Connectors
隔 膜 隔 离

Diaphragm Seals
型号标示 Model
H ·00 - 5
通用型压力
表型号
general
model
附加连接体
型号(或不加)
additory
connector
model
隔膜隔离体
型号
diaphragm
seals model

plus
例For instaue:YTH-100.AO. 501 R1-F1
等于:φ100内卡式全不锈钢,配接R1散热器的F1型
隔膜式压力表。
Equal to: φ100 Bayonet stainless steel, with radiator
R1, diaphragm pressure gauge (F1 type).

plus
H(27) 6 2008.11.6, 2:51 PM
H
北京布莱迪仪器仪表有限公司
其它
压力表
Other
Pressure Gauges
YXC
电接点压力表
Electric Contact Pressure Gauge
YXZ
压力变送器
Pressure Transmitter
YTQ
聚丙烯外壳安全型压力表
Polypropylene Safety Pattern Pressure Gauge
YS
压力变送器
Pressure Transmitter
Y1(Y1)
软管
Capillary
R1(R1)
散热器
Radiator
R2(R2)
散热器
Rediator
Z1
阻尼管
Dampertube
F2
敞开法兰
Open Flange
F5
探入式
Extended Type
F6
快装卡子式(卫生型)
Clamp Connection (sanitary type)
F7
快装螺母式(卫生型)
Threaded Connection (sanitary type)
F9A
普通型
Standard
F4
角度可调式
Angle Adjustable
F2A F4B F4A F5A
螺母式
Threaded
F5B
法兰式
Flanged
F8
焊接一体式
Welded one-piece Type
F9
管道型
In-line Seal
F9B
拌热型
Integrated with a cooling system
(MS200)最高5000psi
High pressure range up to 5000psi
R3
高温管
High-Temp Tube
C
角型转角
Special Angle
H ·00 - 6
H(27) 7 2008.11.6, 2:52 PM

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