Non-Water Hammer Check Valve

Non-Water Hammer Check Valve
SL series (PAT.)

No valve closure delay means no water hammer and no noise
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SL-NB
SL-NBP
Lift-bend type

P denotes that the check valve is equipped with a No-Feed Detector.

Because of its excellent characteristics and convenient design, highly reliable automatic pumping can be easily accomplished.


Non-Water Hammer Check Valve SL-NB

Unit: mm
Part name
Material code (JIS 10K standard)
B
F
G
X, Y
1

Valve case
FC
FC
FC
SCS
2

Valve cover
FC
FC
FC
SCS
3

Guide arm
FC
SCS/FC
SCS/FC
SCS
3-1

Guide bush
C3603
SUS
SUS
SUS
4

Valve disk
FC
FC
SCS
SCS
4-1

Valve rod
SUS
SUS
SUS
SUS
6

Valve guide
CAC406
SCS
SCS
SCS
7

Valve seat
CAC406
SCS
SCS
-
8

Coil sleeve
SUS
SUS
SUS
SUS
10

Nut
SUS
SUS
SUS
SUS
30-2

Seal ring
Chloroprene
Chloroprene
NBR
NBR
40

By-pass valve
(C3603)
(C3603)
(SUS)
(SUS)
41

No-Feed Detector
(C3603)
(C3603)
(SUS)
(SUS)

Unit: mm
Bore
d
JIS 10K standard
With a No-Feed Detector
Weight
A
B
J
D
C
n
h
R
(kg)

40

100

80

105

140

105

4

19

165

8

50

120

100

110

155

120

4

19

170

10

65

130

110

120

175

140

4

19

180

14

80

150

120

125

185

150

8

19

190

17

100

175

120

130

210

175

8

19

210

23

125

200

150

185

250

210

8

23

265

43

150

215

160

210

280

240

8

23

290

63

200

280

200

235

330

290

12

23

330

100

250

300

235

290

400

355

12

25

370

150

300

380

260

325

445

400

16

25

435

230
Note:

Material code X denotes SCS13, material code Y denotes SCS14.
We also manufacture other materials such as FCD and special duplex type stainless steel.

Regarding material code B and F, the seal ring is replaced by a valve liner when material of the valve disk is FC.

The by-pass valve and the No-Feed Detector are optional parts.

The guide arm and the guide bush are integrated for valves with a bore of 125mm or less.

Material may change according to bore size.

Applicable liquid temperature : 0-70 degree C
Please contact us if liquid temperature is more than 70 degree C.

Please contact us if flange standard is higher than JIS 16K.

SL-NB type characteristics (Water head loss - Flow rate)
Non-Water Hammer Check Valve / Characteristics (Water head loss - Flow rate) SL-NB

Specifications stated here may be subject to change without notice due to product improvement.

Features
Structure
Technical data
Selection & Dimensions
Inquiry form

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