Category: Check Valves

Categories
Check Valves

Lug Type Dual Plate Swing Check Valve

Lug Type Dual Plate Swing Check ValveStructural Feature

Short structural length,only 1/4~1/8 of that of traditional flanged check valve;

Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;

Quick valve disc closedown,low water hammer pressure;

Applicable for and easily installed for vertical or horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1.5″~48″(DN40~DN1200)

End Connection: RF,RTJ, BW

Pressure range: Class150~2500(PN16~PN420)

Working temperature:-196℃~+560℃

Categories
Check Valves

Y-Pattern Piston Check Valve, Forged Steel, Threaded, Socket weld

Y-Pattern Piston Check Valve, Forged Steel,
Threaded, Socket weld

NO. Part Name CS to ASTM AS to ASTM SS to ASTM
Type A105 Type F22 Type F304(L) Type F316(L)
1 Body A105 A182 F22 A182 F304(L) A182 F316(L)
2 Piston Disc A276 420 A276 304 A276 304(L) A276 316(L)
3 Bonnet A105 A182 F22 A182 F304(L) A182 F316(L)
4 Nameplate SS
Suitable Medium W.O.G. etc W.O.G. etc HNO3,CH3OOH etc
Suitable Temperature -29°C~425°C -29°C~550°C -29°C~180°C

Class 800 Lb: Bolted Cover-Threaded and Socket weld Ends-Dimensions (mm) and Weights (kg)

NPS Reduced 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/8 1/2 3/4 1 1-1/4 1-1/2 2
L 98 98 110 120 140 140 170 200
H(OPEN) 85 85 95 105 114 114 132 145
Weights 3.1 3.0 3.7 6.5 8.5 8.0 10.9 12.5
Categories
Check Valves

Forged Steel Swing Check Valve

Forged Steel Swing Check Valve

 

Forged Steel Piston Check Valves, Welded

ASME Pressure Classes 800, 900, 1500, 2500 Lb
Swing-Bolted Cover-Threaded and Socket weld Ends-Dimensions (mm) and Weights (kg)

NPS 3/8 1/2 3/4 1 1-1/4 1-1/2 2
L 800Lb 79 79 92 111 120 120 140
900~1500Lb 92 111 111 120 120 140 178
H 800Lb 61 61 78 84 101 120 133
900~1500Lb 79 79 79 97 105 120 140
Weights 800Lb 1.1 1.0 1.9 3.9 4.5 7.3 10.0
900~1500Lb 3.1 3.0 3.6 4.3 6.1 8.8 12.6
Categories
Check Valves

Forged Steel Piston Check Valve, Threaded, Welded, Flanged

Forged Steel Piston Check Valve, Threaded
Welded, Flangedb

Class 150, 300, 600, 800 Lb-Bolted Cover
Threaded and Socket weld Ends- dimensions (mm) and weights (kg)

NPS Reduced. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/4 1/2 3/4 1 1/4 1-1/2 2
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Weights Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9

Class 900, 1500 Lb-Bolted Cover
Threaded and Socket weld Ends- dimensions (mm) and weights (kg)

NPS Reduced. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/8 1/2 3/4 1 1/4 1-1/2 2
L 92 111 111 120 152 172 200 220
H 65 79 79 97 104 120 139 215
Weights Bolted 1.6 3.4 3.3 5.5 6.0 9.2 12.9 16.2
Welded 1.3 3.2 3.1 4.8 5.4 8.5 11.2 14.3

Class 150, 300, 600, 800 Lb-Bolted Cover
Flanged Ends- dimensions (mm) and weights (kg)

NPS 1/2 3/4 1 1-1/4 1-1/2 2
L(RF)L1(BW) 150 108 117 127 140 165 203
300 152 178 203 216 229 267
600 165 190 216 229 241 292
H 150,300 61 61 79 95 103 118
600 61 79 95 103 118 135
Weights 150 RF 2.56 3.37 4.37 8.17 8.94 12.64
BW 1.70 1.90 2.10 5.12 5.50 7.89
300 RF 2.73 3.65 4.74 8.77 9.60 13.70
BW 1.90 2.10 3.00 5.12 6.60 7.85
600 RF 3.00 4.00 5.83 9.47 10.10 15.6
BW 2.00 3.12 4.25 7.25 8.56 13.60

Class 900, 1500 Lb-Bolted Cover- Flanged Ends- dimensions (mm) and weights (kg)

NPS 1/2 3/4 1 1/4 1-1/2 2
L(RTJ) 216 229 254 279 305 371
L1(BW) 216 229 254 279 305 368
H 79 79 95 104 120 139
Weights RTJ 8.5 10.5 15.7 20.8 27.2 33.0
BW 6.4 8.0 13.2 17.8 24.2 29.7

Class 150, 300, 600, 800 Lb-Welded Cover
Threaded and Socket weld Ends- dimensions (mm) and weights (kg)

NPS Reduced. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/4 1/2 3/4 1 1/4 1-1/2 2
L 79 79 92 111 120 152 172 200
H 61 61 65 79 95 103 118 132
Weights Bolted 1.4 1.2 1.5 3.1 3.9 5.6 8.9 12.5
Welded 1.1 1.0 1.2 2.9 3.3 4.9 8.1 10.9

Class 900, 1500 Lb-Welded Cover
Threaded and Socket weld Ends- dimensions (mm) and weights (kg)

NPS Reduced. 3/8 1/2 3/4 1 1-1/4 1-1/2 2
Full 3/8 1/2 3/4 1 1/4 1-1/2 2
L 92 111 111 120 152 172 200 220
H 65 79 79 97 104 120 139 215
Weights Bolted 1.6 3.4 3.3 5.5 6.0 9.2 12.9 16.2
Welded 1.3 3.2 3.1 4.8 5.4 8.5 11.2 14.3
Categories
Check Valves

Wafer Type Single Plate Swing Check Valve(Short Type)

Wafer Type Single Plate Swing Check Valve(Short Type)Structural Feature

Short structural length,only 1/4~1/8 of that of traditional flanged check valve;

Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;

Quick valve disc closedown,low water hammer pressure;

Applicable for and easily installed for vertical or horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1/2″~48″(DN15~DN1200)

End Connection: RF,RTJ

Pressure range: Class150~900(PN16~PN150)

Working temperature:-196℃~+560℃

Categories
Check Valves

Wafer Type Dual Plate Swing Check Valve

Wafer Type Dual Plate Swing Check ValveStructural Feature

Short structural length,only 1/4~1/8 of that of traditional flanged check valve;

Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;

Quick valve disc closedown,low water hammer pressure;

Applicable for and easily installed for vertical or horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1.5″~60″(DN40~DN1500)

End Connection: RF,RTJ, BW

Pressure range: Class150~2500(PN16~PN420)

Working temperature:-196℃~+560℃

Categories
Check Valves

Forged Lug Type Dual Plate Swing Check Valve

Forged Lug Type Dual Plate Swing Check Valve

Structural Feature

Short structural length,only 1/4~1/8 of that of traditional flanged check valve;

Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;

Quick valve disc closedown,low water hammer pressure;

Applicable for and easily installed for vertical or horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1.5″~48″(DN40~DN1200)

End Connection: RF,RTJ, BW

Pressure range: Class150~ 2500(PN16~PN420)

Working temperature:-196℃~+560℃

Categories
Check Valves

Double Flange Dual Plate Swing Check Valve

Double Flange Dual Plate Swing Check Valve

Structural Feature

Short structural length,only 1/4~1/8 of that of traditional flanged check valve;

Low volume,light weight,only 1/4~1/20 of those of traditional flanged check valve;

Quick valve disc closedown,low water hammer pressure;

Applicable for and easily installed for vertical or horizontal pipelines;

Smooth flow passageway and small fluid resistance;

Flexible action and good sealing performance;

Narrow valve travel and small closedown impact;

Integrated structure,simple and compact,in beautiful shape;

Long service life and good reliability.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1.5″~48″(DN40~DN1200)

End Connection: RF,RTJ, BW

Pressure range: Class150~2500(PN16~PN420)

Working temperature:-196℃~+560℃

Categories
Check Valves

Lift Type / Piston Type Check Valve

Lift Type / Piston Type Check Valve

MAIN FEATURES:

The valve is opened/closed by the valve disc moving in a direction parallel to the valve seat hole axis and can only be installed on horizontal pipelines with the major function of preventing medium backflow when shutting down the pump and maintaining the water column required by pumping.

Main Parameter Specification

Design and Manufacture：Cast Steel Check Valve to BS 1868,ASME B16.34,API 6D

Inspection and Test：API598,API600 or API 6D

End Flange Dimension：ASME B16.5(for NPS≤24,ASME B 16.47 series B,API 605,ASME B16.47 A Series,MSS SP-44(for NPS＞24)

BW end Dimension：ASME B16.25

Face to Face and End to End：ASME B16.10

Pressure-temperature ratings：ASME B16.34

Wall Thickness Dimension：API 600,BS 1868

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1/2″~48″(DN15~DN1200)

End Connection: RF,RTJ, BW

Pressure range: Class150~2500(PN16~PN1200)

Working temperature:-196℃~+560℃

Categories
Check Valves

Nozzle Check Valve / Non-Slam Check Valve

Nozzle Check Valve / Non-Slam Check Valve

Main Feature

It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect.

The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise.

It can be installed on horizontal and vertical pipelines.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1/2″~48″(DN15~DN1200)

End Connection: RF,RTJ,BW

Pressure range:Class150~2500(PN16~PN420)

Working temperature:-29℃~+425℃

Categories
Check Valves

Nozzle Check Valve / Non-Slam Check Valve

Nozzle Check Valve / Non-Slam Check ValveMain Feature

It is opened or closed by the valve clack moving to-and-fro through the valve body guiding axle under the spring effect.

The valve body passageway is designed in a wing-shaped streamline type, allowing the medium to flow through the passageway rapidly and steadily with no noise.

It can be installed on horizontal and vertical pipelines.

Main Parameter Specification

Design and manufacture:API594,API 6D,JB/TB8937;
Face to face and end to end:API594,API6D,DIN3202,JB/T8937;
Pressure-temperature rating:ASME B16.34,DIN2410,GB/T9124,HG20625,SH3406,JB/T74;
Inspection and test: API598,JB/T9092;
Pipe flange: JB/T74~90,JB/T9112-9124,HG20592~20635,SH3406,ASME B16.5,DIN2543~2548,GB/T13402,API605,ASME B16.47.

Product Range

Body material: carbon steel, stainless steel, alloy steel,bronze

Nominal diameter:1/2″~48″(DN15~DN1200)

End Connection: RF,RTJ,BW

Pressure range:Class150~2500(PN16~PN420)

Working temperature:-29℃~+425℃

Categories
Check Valves

Cl 150, 300, 600 Lb Cast Steel Swing Check Valves

Structure of Cl 150, 300, 600 Lb Cast Steel Swing Check Valves
No. Parts Materials
1 Body ASTM A216 GR.WCB
2 Seat Ring ASTM A105 + Setllite Faced
3 Disc ASTM A216 GR.WCB + 13Cr Faced
4 Disc Washer ASTM A276 Type 410
5 Disc Nut Pin Stainless Steel
6 Disc Nut Stainless Steel
7 Hinge ASTM A216 GR.WCB
8 Hinge Pin ASTM A182 GR.F6
9 Bearing Bracket ASTM A216 GR.WCB
10 Spring Washer Carbon Steel
11 Hex, Bolt Carbon Steel
12 Gasket Soft Iron + Graphite
13 Cover Bolt ASTM A193 GR.B7
14 Cover Bolt Nut ASTM A194 GR.2H
15 Cover ASTM A216 GR.WCB
16 Eyebolt Carbon Steel
17 Plug Carbon Steel

ASME Pressure Class 150 Lb-Dimensions and Weights

NPS
d		 in 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
mm 51 64 76 102 127 152 203 254 305 337 387 438 489 591
L-L1
(RF-BW)		 in 8.00 8.50 9.50 11.50 13.00 14.00 19.50 24.50 27.50 31.00 34.00 38.50 38.50 51.00
mm 203 216 241 292 330 356 495 622 698 787 864 978 978 1295
L2
(RTJ)		 in 8.50 9.00 10.00 12.00 13.50 14.50 20.00 25.00 28.00 31.50 34.50 39.00 39.00 51.50
mm 216 229 254 305 343 368 508 635 711 800 876 991 991 1306
H
(open)		 in 5.31 6.10 6.61 9.37 9.80 10.91 13.35 15.67 20.67 21.77 22.99 26.30 28.03 29.13
mm 135 155 168 235 249 277 339 398 525 553 584 688 712 740
WT
(Kg)		 BF 17 21 29 42 69 74 108 177 282 372 570 665 900 1359
BW 13 17 24 35 57 62 96 158 238 324 483 548 782 1150

ASME Pressure Class 300 Lb-Dimensions and Weights

NPS
d		 in 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
mm 51 64 76 102 127 152 203 254 305 337 387 432 483 585
L-L1
(RF-BW)		 in 10.50 11.50 12.50 14.00 15.75 17.50 21.00 24.50 28.00 33.00 34.00 38.50 40.00 53.00
mm 267 292 318 356 400 444 533 622 711 838 864 978 1016 1346
L2
(RTJ)		 in 11.12 12.12 13.12 14.62 16.37 18.12 21.62 25.12 28.62 33.62 34.62 39.12 40.75 53.88
mm 283 308 333 371 416 460 549 638 727 854 876 994 1035 1368
H
(open)		 in 6.22 6.57 7.40 10.20 11.06 12.56 15.79 19.02 21.85 23.03 24.21 25.31 26.81 27.95
mm 158 167 188 259 281 319 401 483 555 585 615 643 681 710
WT
(Kg)		 BF 21 32 43 61 84 131 213 384 449 680 840 1025 1320 1960
BW 16 24 35 44 61 105 167 272 375 560 710 828 1070 1586

ASME Pressure Class 600 Lb-Dimensions and Weights

NPS
d		 in 2 2-1/2 3 4 5 6 8 10 12 14 16 18 20 24
mm 51 64 76 102 127 152 200 248 298 327 375 419 464 559
L-L1
(RF-BW)		 in 11.50 13.00 14.00 17.00 20.00 22.00 26.00 31.00 33.00 35.00 39.00 43.00 47.00 55.00
mm 292 330 356 432 508 559 660 787 838 889 991 1092 1194 1397
L2
(RTJ)		 in 11.62 13.12 14.12 17.12 20.12 22.12 26.12 31.12 33.12 35.12 39.12 43.12 47.25 55.38
mm 295 333 356 435 511 562 664 791 841 892 994 1095 1200 1407
H
(open)		 in 7.76 8.15 9.09 11.06 12.56 14.25 17.20 19.39 20.79 22.52 25..98 28.35 29.37 37.80
mm 197 207 231 281 319 362 437 490 528 572 660 720 746 960
WT
(Kg)		 BF 36 49 68 111 164 230 416 673 875 944 1220 1620 2120 3100
BW 28 40 57 83 152 191 361 543 770 773 1015 1350 1750 2520

Features

Bolted Cover
Swing Type Disc
6″ & Larger With Eyebolt
4″ & Larger With Eyebolt (300Lb)
By Pass on Request
Lever&Wight Optional

Specifications

Design: ASME B16.34/BS 1868
Face to Face: ASME B16.10
End to End: ASME B16.10
End Flange: ASME B16.5
BW End: ASME B16.25
Test: API 598
Special: NACE MR-01-75