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Stainless Steel Bellow Globe Valve PN16

Valve Body:GS-C25,1.4401,1.4403

Valve Seat:1.4301,Stellite

Valve Disc:1.4021,1.4401+ Stellite

Pin:1.4301,1.4401

Bellow assemble:1.4301,1.4401

Stem:1.4021,1.4301,1.4401

Gasket:Flexible graphite + stainless steel

Cover:GS-C25,GGG-40,1.4401

Nut:ASTM 194-2H,A194-8

Double-headed bolt:ASTM 194-B7,A193-B8

Packing:Flexible graphite

Gland:1C25,1.4301,1.4401

Locator:1C25

Stem nut:Copper alloy,D2,BL2

Hand wheel:Carbon steel

Cap:1C45

No.LWGV-3



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Parameter

1.Bellow seal element. The key part of bellow sealed globe valves is mental bellow. 

It is the connection between cover and stem with automatic roll welding. The mental bellow can keep the 

stem part no leakage.

2.Benefit from the con and streamline shape design, the disc has a reliable seal and longer service life.

3.Double seal design(bellows+packing). Bellow and packing can protect against leakage and provide a excellent seal.

4.Grease nipple. It can direct lubricate the stem, nut and sleeve.

5.Ergonomic hand wheel. It provide longer service life and easier operation.



Advantage

The opening and closing part of the stop valve (Globe Valve) is a plug-shaped valve disc with a flat surface or 

a sea cone on the sealing surface, and the valve disc moves linearly along the center line of the valve seat. The 

movement form of the valve stem, (common name: dark stem), also has a lifting and rotating rod type, which 

can be used to control various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid 

metal, and radioactive media. flow. Therefore, this type of shut-off valve is very suitable for shutting off or 

regulating and throttling. Since the opening or closing stroke of the valve stem of this type of valve is relatively 

short, and it has a very reliable cut-off function, and because the change of the valve seat port is in direct 

proportion to the stroke of the valve disc, it is very suitable for flow adjustment.


Describe

Within eighteen months of completion inspection or within twelve months of the start of usage , whichever is shortest ,LIWEI VALVE will repair or replace products or the faulty components of products free of charge in the event of failure under normal usage attributable to inadequate design or manufacturing on the part of LIWEI VALVE.

However, repairs or replacements will be charged in any of the following cases . Also note that if a separate agreement is in effect. That agreement shall take precedence.
(1) When the product has been used in an incorrect manner which deviates from the catalog or instruction manual;
(2) When the product failure is due to careless handing such as jamming with foreign substances or the sticking of excessive water stain;
(3) When the product has been disassembled ,repaired or altered by a third party other than LIWEI VALVE;
(4) When the product has been subject to cases beyond the control of LIWEI VALVE including natural disaster such as wind or flood damage ,earthquakes and electrical storm ,fire , pollution (special environments ) , salt damage, war or acts of terror;
(5) When a failure is due to any other factor deemed to be the responsibility of LIWEI VALVE


Copyright © Tianjin LIWEI Valve Co., Ltd. All Rights Reserved | Sitemap Technical Support: Reanod

Factory Add.:

No.3 Xintai Road, Jinnan District, Tianjin, China.

Office Add.:

C12 Aliyun Jinnan District, Tianjin, China.

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