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Class 150 Cast Steel Swing Check Valves
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Item # 1572-6-UT
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Item # 1572-6-UT, 6" Class 150 Cast Steel Swing Check Valves
Cast carbon steal swing check valves 150 pound pressure class manufactured in accordance with ANSI B16.34.
Application
These swing check valves are used in pipelines and in facilities for water, steam, non-aggressive gases, naphtha, naphtha derivatives and in other power and process plants, in operating conditions up to 800°F (427°C), according to Table No. 1 Data included in this Table meet the pressure-temperature ratings of ANSI B16.34. They function equally well when installed in either horizontal or vertical lines to prevent backward flow. (In vertical lines, the flow direction must be upwards.)
Technical Data
The basic dimensions of the swing check valves are in accordance with Table No. 4. Face to face dimensions of the swing check valves are in accordance with ANSI B16.10. The pipe flanges are regularly furnished faced and drilled with raised faces 0.062" (1.5 mm) in accordance with ANSI B16.5 (See Note). The raised faces of the pipe flange are machined in accordance with MSS SP-6.
The seat face in the body and on the disc are made by welding on 13 chrome stainless steel to the basic material of the body and disc.
The swing check valves are delivered protected against corrosion. The raised faces on the pipe flanges are protected against damage during shipment.
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Specifications
·
Line Flange
·
Line Flange Bolts
·
Parts and Materials
·
Pressure-Temperature Rating
·
Tests
Specifications
Valve Size
6
in
Face to Face (L)
14.00
in
355.6
mm
Height (H)
9.55
in
242.6
mm
Approx. Weight
162
lb
73.5
kg
Test Pressure
Hydrostatic (Seat) - 325 psig (21.7 bar-gage)
Hydrostatic (Shell) - 450 psig (31.0 bar-gage)
Line Flange
Dia. (N)
6.00
in
152.4
mm
Dia. (D)
11.00
in
279.4
mm
Min. Thickness (b)
1.00
in
25.4
mm
Bolt Circle (K)
9.50
in
241.3
mm
Hole Dia. (d)
0.88
in
22.4
mm
Raised Face Dia. (g)
8.50
in
215.9
mm
Line Flange Bolts
No. of Bolts
8
Bolt Size
3/4
in
19.1
mm
Parts and Materials
Key
Part
Material Specification
1
Body
ASTM A216 Gr. WCB
2
Seat
13 Cr Facing
3
Disc
ASTM A216 Gr. WCB w/13 Cr Facing
4
Strap
ASTM A217 Gr. CA 15
5
Disc Washer
ASTM A276 Type 420
6
Disc Nut
ASTM A194 Gr.6
7
Gasket
Soft Iron, Corrugated
8
Cap
ASTM A515 Gr. 70
9
Hinge Pin
ASTM A276 Type 420
10
Strap Holder
ASTM A216 Gr. WCB
11
Cap Screw
ASTM A276 Type 316
12
Cap Stud Bolt
ASTM A193 Gr. B7
13
Cap Stud Bolt Nut
ASTM A194 Gr. 2H
Pressure-Temperature Rating
Temperature
Working pressure
(ºF)
(ºC)
(psi)
(bar)
100
38
285
19.6
200
93
260
17.9
300
149
230
15.9
400
204
200
13.8
500
260
170
11.7
600
316
140
9.6
650
343
125
8.6
700
371
110
7.6
750
399
95
6.6
800
427
80
5.5
Cast on the swing check valve bodies are the Lunkenheimer Trade Mark, nominal pressure class, nominal size, material designation, and an indication of the flow direction, all in accordance with MSS SP-25.
Tests
The swing check valves are hydrostatically tested in accordance with Table No. 2, meeting the requirements of ANSI B16.34 and MSS SP-61
Note:
Other flange facings and finishes in accordance with ANSI B16.5 are available on request. Butt weld ends will be furnished in accordance with ANSI B16.25, unless otherwise specified.
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