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隔膜壓力表采用間接測量結構，適用于測量粘度大、易結晶、腐蝕性大、溫度較高的液體、氣體或顆粒狀固體介質的壓力。隔離膜片有多種材料，以適應各種不同腐蝕性介質。
儀表適用于化學工業(yè)、化纖、合成纖維、石油、染化、制堿等工業(yè)。

Divide by indirect measurement of pressure gauges, to measure the viscosity, easy to crystallization, corrosive, high temperature of the liquid, gas or granular solid media pressure. There are many isolated patch material to meet the various aggressive media.
Instrument applies to the chemical industry, chemical fiber, synthetic fiber, oil, dyeing, caustic soda production, and other industries.

技術參數:
精確度：±1.6%,±2.5% 隔膜材料：OCr18Ni12Mo2（316），哈氏合金C（H276c），蒙乃爾合金（Cu30Ni70），鉭合金（Ta），氟塑料（PTFE）隔離器材料：耐酸不銹鋼，含鉬不銹鋼，氟塑料。密封墊圈材料：丁晴橡膠，氟塑料。密封液：硅油、植物油、。執(zhí)行標準:JB/T8624-1997 Accuracy: ± 1.6%, ± 2.5% Divide material: OCr18Ni12Mo2 （316）, Harrington alloy C （H276c）, Monel alloy （Cu30Ni70）, tantalum alloys （Ta）, fluorine plastics （PTFE） Isolators material: Acid stainless steel, stainless steel containing molybdenum, fluorine plastics. Sealing gasket material: Dingqing rubber, plastic fluoride. Seal of: silicone oil, vegetable oil,. Implementation of the standards: JB/T8624-1997
結構原理：
隔膜在被測介質壓力作用下產生變形,密封液被壓,形成一個相當于P的壓力,傳導至壓力儀表,顯示被測介質壓力值。溫度影響：因密封液的熱膨脹及隔膜剛度與溫度有關，在使用溫度偏離20℃±5℃時，受溫度影響有一個誤差，其值為0.1%/℃。 Divide in measured media deformation under pressure, was sealed by pressure to form a pressure equivalent to the P, conduction to pressure instruments that measured media pressure value. Temperature effects: Sealed because of the lack of stiffness and thermal expansion and temperature, the use of temperature from 20 ℃ ± 5 ℃, the temperature impact on a error, its value is 0.1% / ℃.
液位差：
軟管連接的隔膜壓力表在安裝時若受壓部與壓力儀表處不同位置，其液位差將形成一個壓力差△P的影響，△P=密封液比重X液位差 Hose connected to divide the installation of pressure gauges, and if the pressure of the pressure on the instrument in different locations, its level will create a pressure differential △ P bad influence, △ P = sealed the proportion of poor X Level
耐蝕性：
的耐蝕性能包含環(huán)境及測量介質的腐蝕特性，可按使用條件選配隔離器，隔膜，密封墊圈的材料。 Divide the corrosion resistance of pressure gauges includes the environment and the corrosion of media measurement, matching conditions can be isolated, divide, sealing gasket material.

隔離器型式尺寸：
螺紋接口：（ML）

測量上限 Mpa	螺紋連接
測量上限 Mpa	D	C	M
0.1～0.4	118	25	20×1.5 （G3/8in）（G1/2in）（NPT1/2in）
0.6～16	87	25
25—40	92	27

工型法蘭：（MG）

測量上限 Mpa	管子通徑 DN	法蘭連接						螺孔 L
測量上限 Mpa	管子通徑 DN	D	K	d	B	c	f	螺孔 L
0.1～1.6	20	105	75	58	18	16	2	14
0.1～1.6	25	115	85	68	25	16	2	14
2.5～4	20	105	75	58	18	16	2	14
2.5～4	25	115	85	68	25	16	2	14

敞開式突面法蘭（MF）

測量上限 Mpa	管子通徑	法蘭連接						螺孔
測量上限 Mpa	DN	D	K	d	B	C	f	L
0.16～1.6	32	140	100	78	31	16	2	18
	40	150	110	88	38	16	3	18
	50	165	125	102	49	18	3	18
2.5.4.0	32	140	100	78	31	18	2	18
	40	150	110	88	38	18	3	18
	50	165	125	102	49	20	3	18
6.3	32	155	110	78	31	24	2	22
	40	170	125	88	37	24	3	22
	50	180	135	102	47	26	3	22
10	32	155	110	78	31	24	2	22
	40	170	125	88	37	26	3	22
	50	195	145	102	45	28	3	26

可按化工部HG5019；HGJ45/54，一機部JB-81，國標GB911及日本JIS，美國ANSI等標準制造。

使用與訂貨須知：

     儀表工作環(huán)境應無腐蝕性氣體。
     不得拆卸或更換已配置的儀表以免填充液外泄影響性能。訂貨請說明配置儀表名稱、型號、測量上限、精確度及連接管型式、軟管長、隔離器接口型式、隔離器接口材料、隔膜材料，以及法蘭配接管子通徑、標準代號等。如要求配置其它型式儀表，請另行詳細說明。
     我公司也可按用戶要求定制進口設備配套。

Instrument working environment should be no corrosive gas.
Shall not be demolished or replacement of the instruments have been configured so as not to affect performance filled with fluid leaks. Please indicate the allocation of orders Instrument name, model, surveying the ceiling, accuracy and type of connection, long hoses, interface type isolation, quarantine interface materials, lack of materials, and the flange to take over distribution of Path, standard code, etc. . If other type instrument configuration requirements, further details.
I also can be customized user requirements for imported equipment supporting divide pressure gauges.