No./ Parts

W/O Lever

SV-B27 (S3W-A)

A22T-16T

With Lever

SV-B29 (S3W-LR)

A221T-16T

Type :

METAL TO METAL

PTFE

1

Valve Seat

FORGE BRASS

FORGE BRASS

2

Valve Disc

FORGE BRASS

FORGE BRASS

3

Valve spindle

(Stem)

FORGE BRASS

FORGE BRASS

3-1

Valve Seal

-

PTFE

4

Valve Body

BRONZE

BRONZE

5

Spring Shoe

BsBM

BsBM

6

Adjusting Screw

BsBM

BsBM

7

Stop Nut

BsBM

BsBM

8

Cap

FORGE BRASS

FORGE BRASS

9

Lever (Type: B29)

STEEL

STEEL

Nominal

Diameter

Valve Seat

Diameter D

Lift

 l

Effective Area mm²

L2

F

L1

E

Fitting Screw

Closed Type

Lever Type

2.22Dl

πD l

0.785D²

Inlet d1

Outlet d2

Amm

Weight

A1mm

Weight

12

12

0.52

13.32

18.84

113.0

29

50

PT 1/2

PF 1/2

138

0.52

161

0.59

19

19

0.76

32.05

45.36

283.3

36

58

PT 3/4

PF 3/4

150

0.66

172

0.74

25

25

1.00

55.50

78.53

490.6

40

70

PT 1

PF 1

180

1.09

202

1.19

32

32

1.28

90.93

128.67

803.8

50

82

PT 1.1/4

PF 1.1/4

206

1.90

222

1.94

38

38

1.52

128.22

181.45

1133.5

54

93

PT 1.1/2

PF 1.1/2

231

2.35

246

2.39

50

50

2.00

222.00

314.15

1962.5

67

102

PT 2

PF 2

265

3.85

282

4.11