Product Main

Specifications

Name: Wafer Check Valve /single plate lifting type
Model:H71H,H71W,H71Y
Size Range: NPS 1/2" TO 1 1/2"
Pressure Range: Class 150-900
Material: WCB,, CF8, CF3, CF3M, CF8M.
Design & Manufacture Std. :  API594.API6D
Face to Face Std. : ASME B16. 10.
End Connection Std. : ASME B16. 11, ASME B1. 20. 1, ASME B16. 5, ASME B16. 47, Test Standard:  API 598,
Construction
Type: Wafer Type, Spring Load, Dual Plates.
Operation: N/A

Materials for main part
BODY WCB(A105) ZG1Cr18Ni9Ti CF8(304) CF3(304L) ZG1Cr18Ni12Mo2Ti CF8M(316) CF3M(316L)
DISC CF8 CF8 CF8(304) CF3(304L) CF8M CF8M CF3M
BODY SHAFT 2Cr13 1Cr18Ni9Ti OCr18Ni9 OOCr19Ni10 1Cr18Ni12Mo2Ti 1Cr17Ni12Mo2 OOCr17Ni14Mo2
SPRING oCr18Ni9 oCr19NiP OCr18Ni9 OOCr19Ni10 oCr17Ni12Mo2 oCr17Ni12Mo2 OOCr17Ni14Mo2

Main Dimension and Weight (H71 Single Plate lifting type wafer check valve)              
Pressure Size Diameter Weight 　 Pressure Size Diameter Weight
NPS DN L D NPS DN L D
Class150  1/2 15 25 46 0.28 Class600  1/2 15 25 52 0.4
 3/4 20 31.5 56 0.42  3/4 20 31.5 65 0.8
1    25 35.5 65 0.56 1    25 35.5 72 1
1 1/4 32 40 74 0.75 1 1/4 32 40 81 1.3
1 1/2 40 45 84 1.3 1 1/2 40 45 94 1.8
2    50 56 103 2.1 2    50 56 110 2.8
2 1/2 65 63 122 2.8 2 1/2 65 63 128 4
3    80 71 135 3.6 3    80 71 147 6
4    100 80 173 4.8 4    100 80 191 11
5    125 110 195 12 5    125 110 239 25
6    150 125 220 17 6    150 125 264 32
8 200 160 277 29 8 200 160 318 52
Class300  1/2 15 25 52 0.3 Class900  1/2 15 25 62 0.6
 3/4 20 31.5 65 0.46  3/4 20 31.5 69 0.9
1    25 35.5 72 0.6 1    25 35.5 77 1.2
1 1/4 32 40 81 0.8 1 1/4 32 40 87 1.5
1 1/2 40 45 94 1.5 1 1/2 40 45 97 2
2    50 56 110 2.4 2    50 56 140 5.5
2 1/2 65 63 128 3 2 1/2 65 63 162 7.5
3    80 71 147 4 3    80 71 165 8
4    100 80 179 5.5 4    100 80 204 14
5    125 110 214 13 5    125 110 245 27
6    150 125 249 22 6    150 125 286 41
8 200 160 305 36 8 200 160 356 76