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隔膜低压表p428,p429

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韩国阀门|管件|填料函

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详细介绍

Service intended

P428 and P429 series are consisted of diaphragms which are designed to protect device and designed to isolate pressure gauge from corrosive, contaminative and viscous pressure media.

Nominal diameter	100 and 150 mm
Accuracy	±1.5 % of full scale
Scale range (kPa, mbar)	-1 ~ 0 to -35 ~ 0 kPa 0.5 to ±15 kPa 0 ~1 to 0 ~ 35 kPa
Working temperature	Ambient : -20 ~ 65 °C Fluid : Max. 100 °C
Temperature effect	Accuracy at temperature above and below the reference temperature (20 ℃) will be effected by approximately ±0.8 % per 10 ℃ of full scale

Standard features

Process connection	Model P428 : PT and NPT, others feasible Model P429 : Flanges to ANSI, JIS or other standard
Upper flange (Gauge side)	Stainless steel (304SS, 316SS)
Under flange (Process side)	Stainless Steel (304SS, 304L SS, 316SS, 316L SS) Monel, Hastelloy-C
Diaphragm	316L SS
Certificates	ATEX Ex II GD c IIc TX
Option	Diaphragm : PTFE lining Under flange : PTFE lining PTFE coating