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Products: gate valve, stop valve, ball valve, check valve, plug valve, hard seal butterfly valve,

special valve for high temperature and high pressure power station.

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Flange Full Port 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.

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Metal Seat Ball Valve

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Product description

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")
Fanged RF, FF, RTJ Ends	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.
Valve Operation	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