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Q340 Metal to Metal Side-Mounted Eccentric Half Ball Valve

Q340 Metal to Metal Side-Mounted Eccentric Half Ball Valve

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Q340 Metal to Metal Side-Mounted Eccentric Half Ball Valve

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Disc Material
Seat Material
Stem Material
Seal Material
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Q340 Metal to metal Side-mounted Eccentric Half Ball Valve 


Summary
The side-mounted eccentric half-ball valve structure design is similar to a three-eccentric hard seal butterfly valve, which has the advantages of easy operation, no friction in the opening process, zero leakage and long service life. With open and close without friction, sealing surface can realize self-cleaning, long service life, in addition, adjust or replace the sealing pair, the valve can continue to use, avoid the current many valve sealing failure defects of the whole set of scrap, save cost.

Advantages:
1. Sealing pair (valve core, valve seat) -- bimetal, a metal spherical ring with a hard seal, fire and explosion-proof.

2. The tight seal, valve core and valve seat sealing is spherical line contact, three-dimensional eccentric to achieve zero leakage.

3.  The valve core of the sealing pair has a compensation amount when the valve is found to wear the sealing pair for a long time, just loosen the limit bolt at the handwheel side, turn a little when closed, still can achieve reliable sealing, extend the service life.

4. The pressure sleeve can be unscrewed, adjust or replace the seat, the valve can continue to use, to avoid the current many valves sealing failure after the whole set of defects.


Scope of application and main technical parameters

Half ball valve products are divided into six series: general valve, pipeline valve, slurry valve, gas valve, petrochemical valve, pulverized coal injection valve. It is the replacement products of gate valve, globe valve, y-valve and ball valve in petroleum, chemical industry, metallurgy, electric power, gas, ash discharge, and pulverized coal.

Main design parameters:

Nominal diameter: DN50-1000
Nominal pressure: PN 1.00-10.0 Mpa

Material:

Body: WCBCF8 CF8M ZG1Cr18Ni9Ti

Sphere: hard seal: ZG1Cr18Ni9Ti soft seal: CF8/CF8M

Seat: hard seal: 2Cr13, 1Cr18Ni9Ti soft seal: PTFE PPL

Working temperature: hard seal: -40 ~ 425ºC, soft seal: -28 ~ 250ºC


The Main Criteria

Design and manufacture:  API6D GB/ t12237-1989;

Test and inspection :  AP1598 JB/ t9092-1999;

Flange size : GB/ T9113-2000 JB/ T79-1994 HG20592-1997;

The length of the structure: KYV-2000

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暂未实现,敬请期待
暂未实现,敬请期待
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