DIN Standard F4 Cast Steel Gate Valve (GZ41H)

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Model NO.: GZ41H
Usage: on/off
Standard: DIN
Application: Industrial Usage
Size: Dn40-Dn600
Flanged Type: F4-Pn10, Pn16, F5-Pn25, F7-Pn40
Trademark: GOOLE, OEM
Transport Package: Plywood Case
Specification: CE, SGS, TUV
Origin: Wenzhou, Zhejiang, China
HS Code: 8481804090

1.DIN F4 Gate Valve:
     (1) Design Standard: DIN EN12288-2003
     (2) Face to Face Dimension: DIN EN588-1:1995
     (3) End Flange Dimension: DIN EN1092-1:2002
     (4) Structures: B.B, OS&Y (Rising Stem)
     (5) Material of Body: G.G, GS-C25, S.S 304, S.S 316
     (6) Pressure Rating: PN16
     (7) Test Standard: DIN EN12266:2003

Specification		  
Design Standard: DIN3352
Face to Face: DIN3202 F5(PN16~PN25) ,DIN3202 F7(PN40~PN100),DIN3202-F8(PN160)
Testing Conform to DIN3230
Flange Ends :  DIN2532,DIN2533,DIN2534,DIN2535,DIN2543,DIN2544,DIN2545,DIN2546,DIN2547,DIN2548
 

Body
GS-C25
1.4308

Disc
CG-C25
1.4308
1.4408
Monel

Stem
13Cr
1.4308
1.4408
Monel
F304

Wedge Disc
Sealing Face
13Cr
13Cr
STL
1.4308
STL
1.4408
STL
Monel
1.4308
1.4308
STL

Seat Ring
Swaling Face
13Cr
STL
STL
1.4308
STL
1.4408
STL
Monel
1.4308
STL
STL

Body
1.4408
1.4308
1.4301

Disc

Stem
1.4408
1.4308
1.4301

Wedge Disc
Sealing Face
1.4408
1.4408
STL
1.4306
1.4306
STL
1.4301
1.4301
STL

Seat Ring
Swaling Face
1.4408
STL
STL
1.4306
STL
STL
1.4301
STL
STL

  
DIN3352 GATE VALVE - DIN3202-F5

Pressure
(MPa)
PN1.6MPa - Flange Ends :DIN2543

Size
Mm
50
65
80
100
125
150
200
250
300
350
400
450
500
600

L
250
270
280
300
325
350
400
450
500
550
600
650
700
800

H
417
452
530
607
720
790
885
1014
1190
1350
1460
1630
1800
2200

W
200
280
280
300
350
350
400
450
500
600
600
650
700
800

Weight(Kg)
16
25
30
55
75
95
150
245
353
400
750
958
1063
1390

DIN3352 GATE VALVE - DIN3202-F5

Pressure
(MPa)
PN2.5MPa - Flange Ends :DIN2544

Size
Mm
50
65
80
100
125
150
200
250
300
350
400
450
500
600

L
250
270
280
300
325
350
400
450
500
550
600
650
700
800

H
417
452
530
607
720
790
885
1014
1190
1350
1460
1630
1800
2200

W
200
280
280
300
350
350
400
450
500
600
600
650
700
800

Weight(Kg)
16
31
43
58
82
103
180
265
385
547
835
1050
1130
1500

 
  
DIN3352 GATE VALVE - DIN3202-F7

Pressure
(Mpa)
PN 4.0 Mpa - Flange Ends :DIN2545

Size
50
65
80
100
125
150
200
250
300
350
400
450
500
600

L
250
290
310
350
400
450
550
650
750
850
950
1050
1150
1350

H
404
456
604
607
720
780
875
1260
1480
1605
1788
1956
2168
2601

W
200
280
300
350
350
400
450
500
500
600
650
700
700
800

Weight(kg)
18
32
47
60
95
130
220
290
490
760
900
1250
1450
1700

 
DIN3352 GATE VALVE - DIN3202-F7

Pressure
(Mpa)
PN 6.4 Mpa - Flange Ends :DIN2546

Size
50
65
80
100
125
150
200
250
300
350
400
450
500
600

L
250
290
310
350
400
450
550
650
750
850
950
1050
1150
1350

H
404
456
604
607
720
780
875
1260
1480
1605
1788
1956
2168
2601

W
200
280
300
350
350
400
450
500
500
600
650
700
700
800

Weight(kg)
20
35
52
66
103
140
230
300
510
780
940
1300
1600
1850

For SUMITOMO Cylinder Seal Kit

Maintenance of Sumitomo hydraulic cylinder seals


Hydraulic Cylinder Sealing Kit 40


Daily maintenance and upkeep can effectively solve the sealing problem of hydraulic cylinders, extend the service life of hydraulic cylinders, and improve the work efficiency of construction machinery.
1. Regularly check the wear of the hydraulic cylinder seals, and if severe wear is found, it should be replaced in a timely manner.
2. Clean the hydraulic cylinder seals to prevent impurities such as dust and sand from entering the interior of the seals.
3. Use appropriate hydraulic oil and avoid using expired or non compliant hydraulic oil to avoid damage to the hydraulic cylinder seals.
4. Avoid using hydraulic cylinders under excessive pressure or load to avoid damage to the seals.
5. Regularly check the liquid level and pressure of the hydraulic cylinder to ensure its normal operation and avoid damage to the sealing components due to hydraulic cylinder failures.
6. When the hydraulic cylinder is stopped for a long time, regular maintenance should be carried out, such as applying anti rust oil, to prevent aging or deformation of the sealing components.


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