Check Valves - ASME Class 150, 300 &

Check Valve image

Dimensions (in mm, unless specified) & Weights (in kg)

Valve Size Class 150 Class 300 Class 600
L H Approx. Wt. L H Approx. Wt. L H Approx. Wt.
FI. B/W FI. B/W FI. B/W FI. B/W FI. B/W FI. B/W
50 (2”) 203 203 165 21 19 267 267 165 24 19 292 292 178 35 30
65 (21/2”) 216 216 175 24 20
80 (3”) 241 241 181 34 30 317 317 190 45 36 356 356 203 55 46
100 (4”) 292 292 213 49 42 356 356 229 70 56 432 432 229 92 70
150 (6”) 356 356 273 88 79 444 444 279 151 129 559 559 365 204 161
200 (8”) 495 495 335 168 154 533 533 343 242 210 661 661 442 323 260
250 (10”) 622 622 406 280 260 622 622 368 333 284 787 787 450 550 455
300 (12”) 698 698 483 413 382 711 711 412 450 378 838 838 590 790 680
350 (14”) 788 788 515 509 466 839 839 559 659 556
400 (16”) 864 864 455 580 524 864 864 636 873 747
450 (18”) 978 978 500 635 583 978 978 562 1090 900
500 (20”) 978 978 675 925 855 1016 1016 675 1360 1176
600 (24”) 1295 1295 780 1500 1403 1346 1346 790 1850 1573

Fl. – Flanged ; B/W – Butt-weld.

Check Valve Exploded View

Component Name & Quantity

No. Component Name Qty.
1 Body 1
2 Cover 1
3 Gasket 1
4 Seat Ring 1
5 Disc 1
6 Hinge 1
7 Disc Washer 1
8 Disc Nut 1
9 Hinge Pin 1
10 Guide Bush 2
11 Body Nut 12
12 Body Bolt 6
13 Lifting Eye Bolt 1
Check Valve image

Check Valves - ASME Class 900 & 15

Check Valve image

Dimensions (in mm, unless specified) & Weights (in kg)

Valve Size Class 900 Class 1500
L H Approx. Wt. L H Approx. Wt.
FI. B/W FI. B/W FI. B/W FI. B/W
50 (2”) 368 368 250 69 53
65 (21/2”)
80 (3”) 381 381 250 88 70 470 470 285 118 89
100 (4”) 457 457 280 162 131 546 546 340 177 134
150 (6”) 610 610 350 336 275 705 705 400 566 467
200 (8”) 737 737 420 673 569 832 832 465 892 728
250 (10”) 838 838 510 938 789 991 991 570 1730 1447
300 (12”) 965 965 610 1480 1280 1130 1130 680 2580 2157

Fl. – Flanged ; B/W – Butt-weld.

Check Valve image

Forged Steel Check Valve

Conventional Port Opening, Piston, Ball or Swing
NPS 1/4-2 (DN 8-50), ASME CLASS 800, 1500

Part                           Standart Materials
Body A105
Cover A105
Seat (integral) CoCr alloy
Disc CA 15 HT or CoCr alloy
Ball Gr. 440C
Spring Gr. 302
Cap Screw Gr. B7
Gasket Gr. 304 (stainless & graphite)
Swing Holder CA 15 HT
Swing Pin Gr. 410

1) Ball type only.  2) Swing type only.  3) Bolted bonnet only

4) Piston or swing type only  5) Piston or ball type only

6) Bolted bonnet swing check disc CoCr alloy Gr. 6 only

Check Valve image

Bolted Swing Check Dimension and Weights

Size NPS DN A Port B End to end C Center to top, bolts K Socket Weld bore L Socket Weld depth Weight kg
800 1500 800 1500 800 1500 800 1500
8 14.1 9.5
10 17.5 9.5
15 12.7 12.7 89 152 64 94 21.7 9.5 2.1 2.0
20 12.7 12.7 89 152 64 94 27.1 12.7 2.1 3.0
25 19.1 19.1 127 152 89 94 33.8 12.7 5.4 5.4
32 31.8 31.8 133 178 86 94 42.5 12.7 7 9
40 31.8 31.8 133 178 86 107 48.6 12.7 7 9
50 38.1 38.1 152 229 109 132 61.1 15.9 10 12

Ordering Information of Gate, Globe &

As Per Our Design

Type of Valves
Types Nomen.
Globe Valve GL
Gate Valve GT
Check Valve CH
Y-Type Strainer YS
 Materials
Type Of Materials Nomen.
S S310 S1
SS304 / ASTM A182

Gr. F304

 

S4

SS304 L S4L
SS316 S6
SS316L S6L
SS317 S7
SS321 S21
SS446 S46
Monal 400 M4
Incoloy 625 I6
Incoloy 825 I8
Carbon Steel CS
A105 A1
Alloy 20 A20
ASTM A182 F51 (Duplex F51)  

F51

ASTM A182 F60 (Duplex F60)  

F60

ASTM A182 F53

(Super Duplex F53)

 

F53

ASTM A312 TP 304L P4L
ASTM A182 F11 F11
ASTM A182 Gr. F5 F5
ASTM A312 TP 304 TP4
Hastelloy C276 HC2
A350 Gr. LF1/ LF2/ LF3  

LF2

SS410 S41
ASTM A240 TP 316L P6L
Inconel-600 I60
ASTM A234 Gr. WPB WPB
Mild Steel MS
Nickel Alloy NA
Galvanized GLV
Sizes
Size Nomen. Size Nomen.
1/8″ 6 8″ 200
1/4″ 8 10″ 250
3/8″ 10 12″ 300
1/2″ 15 14″ 350
3/4″ 20 16″ 400
1″ 25 18″ 450
1 1/4″ 32 20″ 500
1 1/2″ 40 22″ 550
2″ 50 24″ 600
2 1/2″ 65 26″ 650
3″ 80 28″ 700
4″ 100 30″ 750
5″ 125 32″ 800
6″ 150 36″ 900
Type Of Bore
Type Nomen.
Full Bore FB
Reduced Bore RB
Type of End Connections.
Type Nomen.
Flange End FL
Butt Weld End BW
Socket Weld End SW
Tounge & Groove TG
Ring Type Joint RTJ
Check Valve image
Type Of Class
Types Nomen.
Class 150 #150
Class 300 #300
Class 400 #400
Class 600 #600
Class 900 #900
Class 1500 #1500
Class 2500 #2500
Class 4500 #4500
Sch 10 S10
Sch 20 S20
Sch 40 S40
Sch 80 S80
Sch 160 S160
Sch XXS SXXS
Table F F
Table E E
Table D D
Special Requirement
Types Nomen.
IBR IBR
Fire Safe FS

Ex. GATE VALVE, 100NB, FLANGE END
ASTM 182 A SS 316 FULL BORE #300, WITH IBR = GT-S6-100FB-FL-#300-IBR