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Cast Steel Globe Valve

Cast Steel Globe Valve


Description of Cast Steel Globe Valve:

ZECO cast steel globe valve are mainly used for occasions of high pressure and small size,function is to connect or truncation piping medium. The advantages: simple structure, easy manufacturing and maintenance; when open and close, twisting the stem around the shaft for linear motion; nearly none friction between sealing faces, and the open height is small (In theory, the height of opening is 1 / 4 Seat Diameter), thus the total height of the valve is relatively small. The disadvantage is due to the structural reasons for the valve so that the flow resistance and torque of opening and closing is a little big, medium flow direction is required (usually low into the higher). The application of pressure and temperature range is large of globe valve, but it is generally used for medium and small size pipe. ZECO has been focusing on the development and manufacturing of globe valves for nearly 30 years, and has the ability to provide customers with batch and high-quality products.

 

Features of Cast Steel Globe Valve:

1. ZECO cast steel globe valve is designed with anti blow out stem to prevent the valve stem from being damaged by maintenance personnel when the packing needs to be replaced during maintenance;

2. The plug seat surface of ZECO cast steel globe valve can be designed in spherical, parabola or flat or other optional on customer request;

3. The gland eyebolts of ZECO cast steel globe valve are mounted to swing aside to facilitate packing maintenance;

4. The sealing face of ZECO cast steel globe valve is hard to wear and abrasion, good sealing performance, there was no relative sliding between Piston and seat sealing face when open and close, so the wear and abrasion is not serious, good sealing performance, long life.


Material of Cast Steel Globe Valve:

No

Part

Material

1

Body

ASTM A216 WCB + 13Cr

2

Disc

ASTM A105 + 13Cr

3

Stem

ASTM A276 410

4

Bonnet Gasket

Graphite + SS304

5

Bonnet

ASTM A216 WCB

6

Bonnet Bolt

ASTM A193 B7

7

Bonnet Nut

ASTM A194 2H

8

Stem Packing

Reinforced Graphite

9

Gland

ASTM A276 410

10

Gland Eyebolt

ASTM A193 B7

11

Stem Nut

ASTM B148


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