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  • Worm Gear Flange Ball Valve.jpg

Worm Gear Flange Ball Valve

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Metal Seat Ball Valve

型号:

1051804055199637504

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Product details

Introduction video of Metal Seat Ball Valve :   
GZP Metal Seat Ball Valves are manufactured to the latest edition of API 6D, API608, BS5351 and ASME BE 16.34 and tested to API 598. All valves from GZP VALVE are strictly 100%tested before shipment to guarantee zero leakage.
 
Metal seat Ball valve adopts full metal to metal design, the sealing surface is specially hardened,
suitable for high temperature and high pressure, solid media, long life, high wear resistance requirements, widely used in petroleum, chemical, food, pharmaceutical, textile, power, ship , Metallurgy, energy system and other industries. 
 
The main construction features of GZP Metal Seat Ball valve are following:
1. Body:1PC, 2PC, 3PC and welded 
2. Port: Full bore and Reduced bore
3. Ball Type:Floating ball and fixed ball
4. Sealing type: front-seat sealing, Back-seat, bi-directional seal
5. Sealing surface: Ball and seat can be sprayed with different materials according to requirements, such as carbide or tungsten carbide, chromium carbide, etc.
6. Spring-loaded seat design, optimize the torque
7. Fire safe and anti-static design  
A conductive spring is designed between the ball and stem, stem and body, so the static energy can be introduced to the ground through the electrostatic channel to achieve the purpose of removing static electricity. Avoid static ignition of flammable media ensures system safety.
7. Blowout-proof stem, automatic pressure relief design, emergency grease injection design, drain valve, locking device, anti-corrosion design, anti-sulfur design etc
The stem adopts the bottom-mounting design so that the stem will not be blown out by the high-pressure medium even the valve body's abnormal pressure rise and invalid packing gland;  
The packing designs a reasonably V-shaped structure, which can effectively convert the medium pressure of inside body cavity and the locking force of the external gland into the sealing force of the valve stem.
When the stagnant medium increases pressure abnormally due to temperature changes, the medium pressure will push the valve seat away from the ball to achieve the effect of automatic pressure relief and after pressure relief, the valve seat can automatically reset
Drain valve designs to check whether the seat is leaking and discharge the retentate from the body cavity to reduce the pollution from medium.
 
Technical data

 

Design

API 6D, ASME B16.34, ISO 14313, ISO 10423, ISO 17292

Pressures range

ANSI 150 ~ANSI 2500 ,PN10~PN420

Size range

DN50(2") ~DN1200 (48")

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 ≤ DN600 (24") ASME B16.47 A ≥ DN650 (26")

BS 4504,DIN 2543-2545,EN1092

Butt-Weld BW Ends

ASME B16.25 ,DIN 3239,BS 2080, EN 12627

Temperature range

-29°~ 425°C

Design feature

 

Construction

One,Two or Three piece body and Welded body

Port

Full bore and Reduced bore

Ball Type

Floating ball and fixed ball

Stem

Blowout-proof stem

Seat Sealing

Front-seat sealing, Back-seat sealing, bi-directional sealing

Valve Operation

Gear,pneumatic,Hydraulic,Electric actuators.

By passes,locking devices,extended stem,etc

Fire Safe

API 607, BS 6755, ISO 10497-5

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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