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品質(zhì) 德國(guó)制造

質(zhì)量管理符合 DIN EN ISO 9001:2008

俄羅斯GOST認(rèn)證         德國(guó)船級(jí)社認(rèn)證

俄羅斯GOST –           R認(rèn)證俄羅斯海洋注冊(cè)登記證

烏克蘭GOST認(rèn)證         EHEDG歐洲衛(wèi)生工程及設(shè)計(jì)工作組認(rèn)證

哈薩克斯坦GOST認(rèn)證     3A認(rèn)證

化學(xué)密封附件 隔膜壓力表

Accessories Chemical Seals

化學(xué)密封

該組合化學(xué)密封/壓力儀表解決測(cè)量問(wèn)題，壓力表不能沒(méi)有化學(xué)密封，如：

1，該介質(zhì)不能進(jìn)入測(cè)量元件內(nèi)部

2，浸濕零件必須使用黃銅/青銅或不銹鋼以外的材料，哈氏合金，Monel合金，鉭，鎳或鈦

3，加工和構(gòu)造導(dǎo)致在衛(wèi)生方面的高要求

4，壓力儀表不適合介質(zhì)點(diǎn)的溫度

基本上，由工藝連接和膜片組成的化學(xué)密封，是分離元件，可阻止介質(zhì)流入測(cè)量工具里。

膜片和波登管尾端的空間是排空的，用合適液體充液并完全閉合密封。

化學(xué)密封直接安裝焊接或冷卻化學(xué)密封和壓力儀表間的毛細(xì)管線元件。

詳細(xì)內(nèi)容見(jiàn)概述7000和目錄7的技術(shù)資料

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-線 Our latest

development DW-Line

DW-線（雙層焊接）

外殼               不銹鋼

環(huán)                卡口環(huán),不銹鋼

型號(hào) /外殼填充     RCh… -3vDW/ 無(wú)外殼填充

RChG…. -3vDW /外殼填充

特殊配置           化學(xué)密封壓力儀表（外殼/焊接件連接）MDM7…v(焊接)，為避免泄露，易外部清洗

精度等級(jí) /常規(guī)外殼尺寸   1.6 NCS 63 (2½")   1.0 NCS 100 (4")

浸濕零件          – 3 不銹鋼

壓力范圍           0-0.6 bar 至 0-250 bar (0-10 至0-3000psi)

技術(shù)資料           1210.7 NCS 100 (4") 1211.7 NCS 63 (2½")

化學(xué)密封見(jiàn)目錄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