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Forged steel globe valve of power plant valve

FOB Price

Obtenir le dernier prix

100 ~ 200 / Piece

Minimum Order

Localit�:

Prix de commande minimale:

Commande minimale:

1 Piece

Packaging Detail:

wooden case

Delivery Time:

Supplying Ability:

500 Case per Month

Payment Type:

T/T, L/C

Contacter maintenant

ZheJiang Hisun Automation Instrument Co., Ltd

China

Membre gratuit

Personne Ã contacter shaopeng

Wenzhou, Zhejiang

Contacter maintenant

Description

Product introduction:
Globe valve is closed. (disc) along the valve seat centerline mobile.According to this mobile form of disc, seat and disc change in his itinerary directly proportional relationship.
Due to open or close the valve stem travel relatively short, and very reliable cutting function, and due to the change of his seat and disc stroke proportional relationship, is very suitable for the traffic regulation.Therefore, this type of valve is well suited for use as cut off or adjust and throttling.
Selection principle:
1, high temperature and high pressure medium or device appropriate chooses cut-off valve.Such as power plants, nuclear power stations, petrochemical system of high temperature and high pressure piping.
2, convection resistance is relaxed on the pipeline on the pipeline.Thinking about small place of pressure loss.
3, small valve can choose needle valve, instrument valve, the sampling valve, pressure gauge valve, etc.
4, there is flow control or pressure adjustment, but the adjustment accuracy is not high, and pipe diameter and the relatively small, such as nominal drift diameter of *0 mm or less piping, appropriate chooses.

5, synthetic fertilizer and chemical fertilizer in the industrial production appropriate chooses *6 mpa or PN**0 PN**0 nominal pressure, nominal pressure, nominal pressure of *2 mpa pressure Angle globe valve or high pressure Angle throttle valves.
6, desilication in bayer process of alumina production workshop, easy to coking on the pipeline, easy to choose seat can be separated type, body place, carbide seal once-through cut-off valve or once-through throttle valve.
7 on the water supply, heating, urban construction engineering, nominal menstruation smaller pipe, can be used as, balancing valve or plunger valve, the pipeline such as nominal drift diameter less than **0 mm.
The main advantages:
The most obvious advantage is: in the process of opening and closing, due to the friction between the disc in the valve sealing surface is smaller than gate valves, and wear resistance.Open altitude generally only a quarter of the seat channel diameter, so much smaller than gate valves.Typically on the valve body and disc only a sealing surface, thus making craft is good, easy to maintenance.Applicable temperature: **6 ~ **0 degree centigrade drive mode: manual, bevel gear drive, pneumatic, electric, hydraulic, pneumatic, hydraulic linkage, electro-hydraulic linkage: body material WCB, ZG1Cr*8Ni9Ti, ZG1Cr*8Ni*2Mo2Ti, CF8 (**4), CF3 (**4 l), CF8M (**6), CF3M, Ti (**6 l).Choose different material, can be respectively suitable for water, steam, oil, nitric acid, acetic acid, oxidizing medium, urea, and other media.
Features:
The pressure, temperature scope for fluid resistance small, big, medium flow direction is not restricted, sealed performance is good.
Construction matters needing attentionï¼š
1 a visual inspection must be conducted before installation of valve, the valve nameplate should be consistent with existing national standards universal signal valve GB ****0.For the working pressure is greater than 1.0 MPa and valve with the function of cutting off on ZhuGanGuan, strength and strict performance test should be done before the installation, qualified rear must use.Strength test, the test pressure is 1.5 times the nominal pressure, duration of not less than 5 min, shell and packing shall be no leakage of valve shall be qualified.Leak test, the test pressure is 1.1 times the nominal pressure;The duration of the test pressure in the test should comply with the standard of GB ****3 requirements, with no leakage for qualified for valve sealing surface.
2 the installation location, altitude, direction of import and export must comply with the design requirements, the connection should be firmly connected.
3 all kinds of manual valves installed on the thermal insulation pipe, handle shall not down.
Cut-off valve disc once in an open position, it is no longer the contact between the seat and clapper sealing surfaces, and have a very reliable cutting action, close to the valve is very suitable for used as medium cut or adjust and throttling.
Once stop valve is fully open, it will no longer have a contact between the seat and clapper sealing surfaces, and thus its sealing surface mechanical wear and tear is small, because most of the cut-off valve seat and valve disc is easy to repair or replace the whole valve sealing components without removed from the pipeline, for the valve and pipeline welding into one occasion is very applicable.Flow direction of medium through the valve changed, so stop valve flow resistance was higher than that of other valves.
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Packingï¼šExpanding compound graphite
Fastenerï¼šHigh-grade carbon steelï¼ŒCr.Mo steel

Forged steel globe valve of power plant valve

ZheJiang Hisun Automation Instrument Co., Ltd

Description

Send a direct inquiry to this supplier

To:

Je veux savoir:

Forged steel globe valve of power plant valve

ZheJiang Hisun Automation Instrument Co., Ltd

Description

Send a direct inquiry to this supplier

To:

Je veux savoir:

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