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Metal To Metal Seat PLUG Valve
GZP metal seated plug valves are designed to be used for high or low temperature. prevent line leakage, and also prevent stem leakage to assure no external leakage into the atmosphere.
Description
Metal Seated Plug Valves
Construction of metal seat plug valve
GZP metal seated plug valves are designed to be used for high or low temperature. prevent line leakage, and also prevent stem leakage to assure no external leakage into the atmosphere.
Mechanism(Operator)
Machanism is very important part for this type of valve. Most of metal friction resulting in high torque. Ball -locking mechanism make the plug away from body seat.
Indicator
This indicates the direction of the plug.
Mechanism(Operator)
To avoid damage on the sealing surfaces during operation, the plug is lifted first, rotated 90
degree and then downed for sealing. The whole operation is achieved with one action by using
specially designed and patented mechanism.
Standard Type Dimension-150LB
Figure No. 123P - Class 150 / Size 0.5” - 24” / 70% Port / Raised Face Flange
 |  |
Size | L | D | PCD | NO | DIA | g | t | f | h | R | K | W |
+0.5 | 108 | 90 | 60.3 | 4 | 16 | 34.9 | 8 | 2 | 325 | 250 | - | |
+ 0.75 | 117 | 100 | 69.9 | 4 | 16 | 42.9 | 8.9 | 2 | 325 | 250 | - | - |
+ 1 | 127 | 110 | 79.4 | 4 | 16 | 50.8 | 9.6 | 2 | 350 | 250 | - | - |
+ 1.5 | 165 | 125 | 98.4 | 4 | 16 | 73 | 12.7 | 2 | 370 | 300 | - | - |
2 | 178 | 150 | 120.7 | 4 | 19 | 92.1 | 14.3 | 2 | 430 | 300 | - | - |
2.5 | 190 | 180 | 139.7 | 4 | 19 | 104.8 | 15.9 | 2 | 450 | 300 | - | - |
3 | 203 | 190 | 152.4 | 4 | 19 | 127 | 17.5 | 2 | 460 | 300 | - | - |
4 | 229 | 230 | 190.5 | 8 | 19 | 157.2 | 22.3 | 2 | 540 | 400 | - | - |
6 | 267 | 280 | 241.3 | 8 | 22 | 215.9 | 23.9 | 2 | 700 | 300 | 70 | 230 |
8 | 292 | 345 | 298.5 | 8 | 22 | 269.9 | 27 | 2 | 790 | 300 | 70 | 230 |
10 | 330 | 405 | 362 | 12 | 25 | 323.8 | 28.6 | 2 | 930 | 400 | 83 | 260 |
12 | 610 | 485 | 431.8 | 12 | 25 | 381 | 30.2 | 2 | 1,000 | 400 | 83 | 260 |
14 | 686 | 535 | 476.3 | 12 | 29 | 412.8 | 33.4 | 2 | 1,140 | 500 | 97 | 294 |
16 | 762 | 595 | 539.8 | 16 | 29 | 469.9 | 35 | 2 | 1,200 | 500 | 97 | 294 |
18 | 864 | 635 | 577.9 | 16 | 32 | 533.4 | 38.1 | 2 | 1,400 | 500 | 97 | 294 |
24 | 1,067 | 815 | 749.3 | 20 | 35 | 692.2 | 46.1 | 2 | 1,620 | 560 | 112 | 324 |
Full Port Metal Seat Plug Valve
Feature
There is no diminished flow with the full bore port, and also easy to pigging. For application such as high viscosity condensable media, high efficiency is demonstrated with full bore port.Easy-pigging
100% Full bore
 |  |
|
Full port metal seat & Reduced Port 70% Reduced bore
GZP valves can be manufactured in all kinds of materials to meet different requirements from clients, especially in NACE standard.
GZP valves can be equipped with gear operator, pneumatic actuators, Hydraulic actuators, Electric actuators, bypasses,locking devices,chainwheels,extended stems and many others are available to meet the customers’ requirements.
Technical data | |
Design | API 6D, API599 |
Pressures range | ANSI 150 ~ANSI 900 ,PN10~PN150 |
Size range | DN50(2") ~DN350 (14") |
Body Material | Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel.etc. |
NACE MR-01-75/NACE MR-01-03 Special Requirements | |
Face to face | API 6D, ASME B 16.10,EN 558,DIN3202 |
Fanged RF, FF, RTJ Ends | ASME B16.5 |
BS 4504,DIN 2543-2545,EN1092 | |
Butt-Weld BW Ends | ASME B16.25 ,DIN 3239,BS 2080, EN 12627 |
Temperature range | -29°~ 350°C |
Design feature | |
Construction | Lifted type,sleeve type,inverted type,jacketed type |
Port | Full bore and Reduced bore |
Plug Type | plug type |
Stem | Blowout-proof stem |
Seat Sealing | metal seat,soft seat,lubricated seal, |
Valve Operation | Gear,pneumatic,Hydraulic,Electric actuators. |
By passes,locking devices,extended stem,etc | |
Fire Safe | API 607, BS 6755,API599 |
Other design | Anti-static design,automatic pressure relief design, emergency grease injection design, drain valve, anti-corrosion design, anti-sulfur design,etc |
Inspection and Test | |
Visual Inspection | MSS SP-55 |
Material Inspection | PMI Test----Chemical Analysis |
HB Test---Hardness Test | |
UT---Ultrasonic Test | |
RT---Radio-graphic Test | |
MT---Magnetic Test | |
NDT Test Non-destructive | |
Dimension inspection | According to drawings |
Valve Inspection and Test | API 598,DIN 3230,EN 12266,BS 5146 |
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