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Carbon Steel Gate Valve

Carbon Steel Gate Valve


Description of Carbon Steel Gate Valve:

ZECO carbon steel gate valve is committed to provide users with product design into the service life of the largest and most reliable sealing performance, and uses the full size design, comply with API 6D, API 600, the design requirements of BS 1414 and EN 1984, ZECO of body and bonnet there were a total of three kinds of carbon steel material, ASTM A216 WCA, ASTM A216 WCB, ASTM A216 WCC, the most commonly used material for ASTM A216 WCB, suitable temperature range for - 29 ℃ ~ 425 ℃. Carbon steel at high temperature because of the migration and aggregation of carbon atoms into graphite, due to the low strength of graphite, the strength of carbon steel at high temperature will be greatly reduced, and brittleness will increase.


Features of Carbon Steel Gate Valve:

1. The carbon steel material of ZECO carbon steel gate valve is imported through strict chemical analysis and mechanical analysis. ASTM A216 WCB has tensile strength of 485~655 mpa, yield point more than 250 mpa, elongation more than 22%, section shrinkage more than 35%;

2. ZECO carbon steel gate valve has a thrust bearing design on the stem nut for ease and flexibility during valve opening;

3. ZECO carbon steel gate valve is designed with a sealed structure on the upper end of the bonnet, which allows the maintenance personnel to safely replace the packing during maintenance without causing leakage, thus preventing more serious leakage risk caused by replacement of the packing;

4. In the opening or closing process of ZECO carbon steel gate valve, the wedge is always fixed in the guide rail of the valve body. If there is no guide rail of the valve body, the gate will get stuck in the opening or closing process and become unusable.


Material of Carbon Steel Gate Valve:

No

Part

Material

1

Body

ASTM A216 WCB

2

Seat Ring

ASTM A105 + 13Cr

3

Wedge

ASTM A216 WCB + 13Cr

4

Stem

ASTM A276 410

5

Bonnet Gasket

Graphite + SS304

6

Bonnet Bolt

ASTM A193 B7

7

Bonnet Nut

ASTM A194 2H

8

Bonnet

ASTM A216 WCB

9

Backseat

ASTM A182 F6a

10

Stem Packing

Reinforced Graphite

11

Handwheel

KTH330-08


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