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Zhengzhou Zui big valve wholesale base

J41X lining fluorine shut-off valve
Model: J41X
Caliber: 15-500
Pressure: 10-25
Material:




Fluorine-lined cut-off valve is suitable for various concentrations of aqua regia, fluid acid, hydrochloric acid, hydrofluoric acid and various organic acids, strong acids and strong oxidants at -50 to 150 °C . It is also suitable for various concentrations of strong alkali organic solvents and Other corrosive gases, used on pipelines for liquid media

[Executive Standards]
Design specification: GB/T 12233 GB/T 12235
Structure length: GB/T 12221
Connection flange : JB/T 78 JB/T 79
Test and inspection: GB/T 13927
Product Identification: GB/T 12220
Delivery specification: JB/T 7928

[Performance Specifications]
Lining, seat   Applicable temperature ( °C )   Applicable medium
PTFE ( F4 ) ≤ 180 Strongly corrosive medium such as acid, alkali, salt, aqua regia, organic acid and other various concentrations other than molten alkali metal and elemental fluorine
PCTFE ( F3 ) ≤120
FEP ( F46 ) ≤150
PFA (fusible F4 ) ≤180
PVDF ( F2 ) ≤100
RPTFE (RF4) ≤180

 

 

DS/J61H water seal stop valve , Zhengzhou water seal stop valve, Zhengzhou cut-off valve wholesale

DS/J61H water seal stop valve
Model: DS/J61H
Caliber: 15-500
Pressure: 10-64
Material:

The water-sealed globe valve is suitable for the backwater condensing system of the thermal power station with a nominal pressure of PN2.5 to 6.4 MPa and the working temperature of 0 to 450 °C . The medium in the pipeline is cut off or connected to the pipeline of petroleum and chemical requirements and the atmosphere.

【Features】
1. The product is designed and manufactured according to the national standard GB12235 . The structure is novel, the material selection is reasonable , and the shape is beautiful. The connection end has flange and welding , which can be matched according to different requirements of users.
2 , the stuffing box is designed as a water-sealed structure, and it is connected with water filler of 0.6~1.6Mpa . It has small friction and good sealing. It can isolate the whole system from the atmosphere and ensure good air tightness.
3 , the valve stem is quenched and tempered and surface nitrided, has good corrosion and scratch resistance
4 , compact structure, flexible operation, convenient maintenance, long service life
5 , the inverted seal is made of stainless steel threaded joint sealing seat or body surfacing austenitic stainless steel, and the inverted seal is reliable. Filler replacement and repair can be carried out without stopping the machine, which is convenient and fast without affecting system operation.

[Executive Standards]
Design and manufacture: JB/T3595
Structure length: GB/T15188.1
Pressure temperature grade: GB/T3595
Test and inspection: GB13927 JB/T9092

[performance parameters]
Model DS/J61H-25 DS/J61H-40 DS/J61H-64
Working pressure ( MPa ) 2.5 4.0 6.4
Applicable temperature ( °C ) ≤ 425
Applicable medium   Water, steam, oil, non-corrosive gases
material   Stem 1Cr13 or 2Cr13
Body , bonnet, bracket WCB25
Gate, disc, sealing surface Cr13 stainless steel or carbide
Seat sealing surface   stainless steel
Stem nut   Aluminum bronze
filler   Flexible graphite


[Structure picture]

 

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