Emerson DeltaV KJ3002X1-BF1

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Emerson  DeltaV KJ3002X1-BF1 Power module In Stock

Extension bonnets are used for either 

high or low temperature service to 

protect valve stem packing from 

extreme process temperatures. 

Standard PTFE valve stem packing is 

useful for most applications up to 232°C 

(450°F). Extension bonnets move the 

packing box of the bonnet far enough 

away from the extreme temperature of 

the process that the packing 

temperature remains within the 

recommended range.

Extension bonnets are either cast or 

fabricated (Figure 3.16). Cast 

extensions offer better hightemperature

 service because of greater 

heat emissivity, which provides better 

cooling effect. Conversely, smooth 

surfaces–such as those fabricated from 

stainless steel tubing–are preferred for 

cold service because heat inffux is 

typically the major concern.

Bellows seal bonnets (Figure 3.17) are 

used when no leakage (less than 1x10-6

cc/sec of helium) along the stem can be 

tolerated. They are often used when the 

process ffuid is toxic, volatile, 

radioactive, or very expensive. This 

special bonnet construction protects 

both the stem and the valve packing 

from contact with the process ffuid. 

Standard or environmental packing box 

constructions above the bellows seal 

unit will prevent catastrophic failure in 

case of rupture or failure of the bellows.

Product details:

Emerson  DeltaV KJ3002X1-BF1 Power module

Contact information：

Contact person：Luna Chen

Email Address:：sales6@saulplc.com

WhatApp： +86 13358378970

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