Emerson DeltaV VE4001S2T2B1

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Emerson  DeltaV VE4001S2T2B1 IO module In Stock

a number of considerations.

For example, emissions control 

requirements–such as those speciffed by 

the Clean Air Act within the US and ISO 

15848 on a global basis–place tighter 

restrictions on sealing performance. 

Constant demands for improved process 

output mean that the valve packing 

system must not hinder valve 

performance. And today’s trend toward 

extended maintenance schedules 

dictates that valve packing systems 

provide the required sealing over 

longer periods.

Given the wide variety of valve 

applications and service conditions 

within industry, these variables (sealing 

ability, operating friction levels, 

operating life) are difffcult to quantify 

and compare. Figures 3.31 and 3.32 use 

an engineered approach in providing a 

relative evaluation of packing 

applicability and performance. But ffrst, 

proper understanding of the tables 

requires a clariffcation of trade names.

The single PTFE V-ring arrangement uses 

a coil spring between the packing and 

packing box ring. It meets the 100 ppmv 

criteria for sliding-stem valves, assuming 

that the pressure does not exceed 300 

psi (20.7 bar) and the temperature is 

between -18°C and 93°C (0°F and 200°F). 

Single PTFE V-ring packing does not 

come with low emissions criteria for 

rotary valves. It offers very good sealing 

Product details:

Emerson  DeltaV VE4001S2T2B1 IO module

Contact information：

Contact person：Luna Chen

Email Address:：sales6@saulplc.com

WhatApp： +86 13358378970

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