RESILIENT SEAT GATE VALVES

Size

Code

FFS

FFL

FFB

FFL

Square Top

Turns to open

Body

DIN 3202 F4

DIN 3202 F5

BS 5163

DIN 3202 F5

DN

H

H1

L

kg

L

kg

L

kg

L

kg

a

c

d1

PN10 - 16

PN25

40

185

260

140

8

240

9

168

8

240

9

14

29

20

10

50

205

290

150

11

250

12

178

12

250

13

14

29

20

13

65

270

367

170

14

270

16

190

15

270

16

17

34

24

13

80

280

380

180

17

280

20

203

19

280

20

17

34

24

16

100

355

470

190

22

300

25

229

24

300

26

19

38

26

20

125

380

510

200

28

325

31

254

26

325

33

19

38

26

25

150

440

590

210

38

350

44

267

39

350

45

19

38

26

30

200

525

700

230

64

400

71

292

66

400

73

24

42

30

33

250

640

840

250

104

450

117

330

116

-

-

27

47

35

41

300

730

970

270

144

500

155

356

160

-

-

27

47

35

50

350

730

1000

290

160

550

192

381

181

-

-

27

47

35

50

400

975

1270

310

268

600

314

406

301

-

-

32

55

45

57

450*

975

1300

330

290

650

325

-

-

-

-

32

55

45

57

500

1165

1530

350

458

700

520

-

-

-

-

36

66

50

71

600**

1165

1590

390

550

800

622

-

-

-

-

36

66

50

71

* Has a reduced bore to 400mm

- Dimensions are in millimeters

** Has a reduced bore to 500mm

- Subject to change without any notice
 

Resilient Seat Gate Valves - Specifications

Diameter range

: DN 40 – 600

Applied standards

·        Face to face dim.

: DIN 3202 F4, DIN 3202 F5, BS 5163

·        Flanges

: ISO 2531 - DIN 2501 - BS 4504

Pressure class

: PN10, PN16 and PN25

Operating temperature

: 70°C max.

Hydraulic test

: According to BS 6755

Test pressure

·        Body

: 1.5 times of operating pressure

·        Seat

: In operating pressure

Driving method

·        Standard

: Manually operated by hand wheel, CW closing

·        Optional

: Rising Spindle, top cap, extension spindle, CCW closing

Valve Materials

·        Body and bonnet

: Ductile cast iron, GGG40 or GGG50 (DIN 1693, ISO1083)

·        Cover

: Ductile cast iron, GGG40 or GGG50 (DIN 1693, ISO1083)

·        Cap

: Bronze, GCuSn5Zn5Pb5 for DN40-DN200

: D.I., GGG40 or GGG50 for bigger sizes

·        Gate

: Ductile cast iron, GGG40 (DIN 1693, ISO1083)

  Bronze, GCuSn5Zn5Pb5 for DN40-50

  EPDM or NBR lined for all diameters (EN681.1)

·        Stem

: Stainless steel, X20Cr13 (DIN17440, ASTM A 473 AISI420)

·        Stem nut

: Bronze, GcuSN5ZnPb5, (integral part of gate for DN40-50)

·        Thrust collar

: Bronze, GcuSN5ZnPb5, replaced by roll bearing bigger than DN350

·        Stem sealing

: NBR wiper ring against dust and sand, double NBR O-rings seated in cap

·        Bonnet sealing

: NBR O-ring between cap and bonnet, NBR gasket between bonnet and body

·        Cap and Bonnet bolts

: Zinc coated 8.8 quality steel

·        Hand wheel

: Pressed steel

Painting

: Double fusion bounded, powder sprayed epoxy paint, suitable for potable water,

  min. 250 microns DFT

Packing

: In cartoon boxes

Properties

·        Watertight sealing only by compression of the rubber without friction

·        No seat on the gate and body

·        Sealing surface on the body is non-machined

·        Changing gate without removing the valve from the line

·        Stem seals can be replaced in open position without stoping the line