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德國AB MDM 7410 7420 7450
微型 耐高溫 耐高壓焊接式隔膜壓力表
Diaphragm Seals
Thread Connection, Flush Membrane
Models MDM 7410 MDM 7420 MDM 7450
Applications
Diaphragm seals model series 74.. are used for high pressures and/or aggressive, contaminated or hot media.
Pressure gauges, pressure switches, pressure transmitters and pressure transducers can be mounted.
Important information about advantages, applications and features can be found in our model overview 7000 where you will also find an overview of our other chemical seal series.
Please note especially the explanations about the influences of temperature and other special operating conditions, and the requirement of detailed ordering information resp. inquiries.
Please use our check list for pressure measuring instruments with chemical seal to ensure the completeness of all required ordering information (for download to find at our website, PDF-Download).
You can receive the check list in printed version with mail upon request.
Construction
The diaphragm is flush welded to the body. The complete measuring system is evacuated, completely filled with a suitable filling liquid and hermetically sealed.
Do not open any connection of the system!
Otherwise filling fluid will leak out and the measuring system cannot work properly anymore!
Standard Configurations
Process Connection
MDM 7410: Male thread ½"2) , 3/4", 1", 1½" or 2" BSP
MDM 7420: Male thread ½"2), 3/4"2), 1", 1½" or 2" NPT
MDM 7450: Hexagon union nut 1", 1¼", 1½" or 2" BSP,
304 stainless steel (1.4301)
Body
Stainless steel 316 L (1.4435)
Diaphragm
Stainless steel 316 L (1.4435), flush welded to the body;
eff. Ø diaphragm depends on connection size, see overleaf
Nominal Pressure
PN 600 (10.000 lb/sq.in.), PN 40 for MDM 7450 DN 1½" or 2" BSP
Instrument Connection 1)
½" BSP female resp. ¼" BPS-f for certain sizes, see tables overleaf
Filling Liquid
Silicone oil
Pressure Ranges Measuring Instrument
Pressure gauge: dependent on model and size,
minimum pressure range and PN see tables overleaf
Minimum pressure ranges for other measuring instruments upon request
ReferenceTemperature
+20 °C ( +68 °F), dial inscription for pressure gauges: tA 20 °C
Sealing
Not supplied; suitable sealing required
(Gasket can be ordered as separate item upon request.)
Optional Special Configurations
? Instrument connection female thread ¼" BSP, ¼" NPT, or ½" NPT
? Other process connection sizes upon request
? MDM 7450: Union nut PN 600 (10,000 lb/sq.in.) 1½" or 2" BSP
? Diaphragm (welded) tantalum, hastelloy B2, or hastelloy C276, others upon request
? MDM 7410, MDM 7420: complete body hastelloy C4 or hastelloy
C 276 (diaphragm hastelloy C 276 welded); other special materials upon request
? Reference temperature differing from +20 °C (+68 °F)
? Other filling fluid, compatible to the medium (see overview 7000)
?Capillary line between diaphragm seal and instrument (length limit upon request), or cooling element, see data sheet 7002, strongly recommended for medium temperatures >+100 °C (>+212 °F)
How to Order:
Please note the details about the required ordering information
? in our model overview 7000 and our
check list for measuring instruments with chemical seal
? on the data sheet for the measuring instrument that shall be attached.
Model: MDM 7410, MDM 7420, or MDM 7450
Nominal size: G, see tables overleaf
Nominal pressure: PN 600 or PN 40, see p. 2
Material: 1.4435 (316 L)
Instrument connection3) G ½ (½" BSP)
Special options: see left, e.g. other instrument connection,
cooling element, capillary line etc.
Please point out especially when the medium or ambient temperature is different than +20 °C (+68 °F) as well as all special process conditions.
Example:MDM 7410, 1" BSP-f, PN 600, 1.4435,
G½ for measuring instrument
1)Separately delivered standard MDM (not mounted to a measuring instrument) are provided with a filling port at the instrument connection piece.
2) Pressure gauges: nom. sizes 40 (1½") or 63 mm (2½") can be attached only
3) to state only for separate ordered chemical seals
Dimensional Data and Weight
The information in this leaflet is given in good faith, but we reserve the right to make changes without notice.
北威州的ARMATURENBAUGmbH 是一家擁有長年生產(chǎn)壓力測量儀器傳統(tǒng)的中型企業(yè)，它的前身是1903年成立的位于德國Halle/Saale的 August Beer 公司。大約180員工為了公司的前途不斷地努力工作。
MANOTHERMBeierfeld GmbH的前身是撒克遜州的“Meßgerätewerk Beierfeld”。自1957年以來，這里生產(chǎn)工業(yè)用壓力和溫度測量儀器以及氣體壓力溫度計、保護管、接觸壓力表、真空計，1991年MANOTHERMBeierfeld GmbH 作為 ARMATURENBAU GmbH 的子公司私有化。
MANOTHERMBeierfeld GmbH 客戶主要分布在德國東部、東歐、前蘇聯(lián)國家和中國這些地區(qū)和國家之中。
我們的產(chǎn)品范圍包括高價值的壓力表和溫度測量儀器，多年來在全球范圍內(nèi)享有極高的聲譽。我們能夠很自豪地說，客戶高度贊譽我們的壓力和溫度測量儀器的質(zhì)量和相應的技能以及可靠性。
歡迎致電咨詢訂購德國AB MDM 7410 7420 7450 微型 耐高溫 耐高壓焊接式隔膜壓力表
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