品质 德国制造

质量管理符合 DIN EN ISO 9001:2008

俄罗斯GOST认证         德国船级社认证

俄罗斯GOST –           R认证俄罗斯海洋注册登记证

乌克兰GOST认证         EHEDG欧洲卫生工程及设计工作组认证

哈萨克斯坦GOST认证     3A认证

化学密封附件 隔膜压力表

Accessories Chemical Seals

化学密封

该组合化学密封/压力仪表解决测量问题，压力表不能没有化学密封，如：

1，该介质不能进入测量元件内部

2，浸湿零件必须使用黄铜/青铜或不锈钢以外的材料，哈氏合金，Monel合金，钽，镍或钛

3，加工和构造导致在卫生方面的高要求

4，压力仪表不适合介质点的温度

基本上，由工艺连接和膜片组成的化学密封，是分离元件，可阻止介质流入测量工具里。

膜片和波登管尾端的空间是排空的，用合适液体充液并完全闭合密封。

化学密封直接安装焊接或冷却化学密封和压力仪表间的毛细管线元件。

详细内容见概述7000和目录7的技术资料

Chemical Seals

This combination chemical seal / pressure gauge solves measuring problems, that are not possible for a pressure gauge without chemical seal, like

• the medium should not get into the measuring unit

• the wetted parts have to be made of other materials than brass/bronze or stainless steel, e.g. hastelloy alloy, monel, tantalum, nickel or titanium

• processes and instructions make high demands on the hygiene

• pressure gauges are not suitable for the temperature at the point of the medium

Basically, chemical seals consist of a body with process connection and a diaphragm as separating element, that avoids that the medium gets into the measuring unit.

The space between diaphragm and the end of the bourdon tube is evacuated, completely filled with a suitable liquid and closed hermetically.

The mounting resp. welding of the chemical seal happens directly or with cooling element resp. capillary line between chemical seal and pressure gauge.

Detailed information can be found on product overview 7000 and on the data sheets of catalogue-heading 7.

最新研制的DW-线 Our latest

development DW-Line

DW-线（双层焊接）

外壳               不锈钢

环                卡口环,不锈钢

型号 /外壳填充     RCh… -3vDW/ 无外壳填充

RChG…. -3vDW /外壳填充

特殊配置           化学密封压力仪表（外壳/焊接件连接）MDM7…v(焊接)，为避免泄露，易外部清洗

精度等级 /常规外壳尺寸   1.6 NCS 63 (2½")   1.0 NCS 100 (4")

浸湿零件          – 3 不锈钢

压力范围           0-0.6 bar 至 0-250 bar (0-10 至0-3000psi)

技术资料           1210.7 NCS 100 (4") 1211.7 NCS 63 (2½")

化学密封见目录7

DW-Line (Double Weld)

Case: Stainless Steel

Ring: Bayonet ring,stainless steel

Model /Case Filling: RCh... -3vDW / without case filling

RChG...-3vDW / with case filling

Special cleaning Configuration:Pressure gauges (case / connection pieces welded) with chemical seal MDM 7...v(welded), to avoid leakage, easy external

Accuracy Class /Nominal Case Size: 1.6 NCS 63 (2 ½")   1.0 NCS 100 (4 ")

Wetted Material:– 3 Stainless steel

PressureRanges: 0-0.6 bar to 0-250 bar (0-10 to 0-3,000 psi)

Data sheets: 1201.7 NCS 100 (4") 1211.7 NCS 63 (2 ½")

Chemical seals see catalogue-heading 7