Check Valve

Wafer Type Piston-Lift Check Valve
Wafer Type Piston-Lift Check Valve

Wafer Type Piston-Lift Check Valve

Product Description

Model schedule illustration

 

 

●Feature code: Bolt-jointed bonnet structure omitted Ps-Pressure sealed structure

●Valve type code: H-Check valve

●Connecting type code: 1-Interior whorl    2-Other whorl    4-Flange 6-Welding    7-To inserting    8-Bear and insert welding

●Design feature code:1-Lifting type 2-Lifting vertical type 4-Single-disc swing type 6--Dual-disc swing type

●Sealing formation code: Y—Hard alloy    H—Alloy steel    X-Rubber    F-Polytetrafluoroethylene (PTFE)

●Pressure grade code: The 10 times of the nominal pressure MPa, pound grade io practical number

●Body material code: (1)Cast the valve body: C-WCB    I-WC6、ZG1Cr5Mo V-WC9、ZG20CrMoV    P-CF8、ZG1Cr18Ni9Ti

                                     R-CF8M、ZG1Cr18Ni12Mo2Ti    S-CF3    L-CF3M    F-LCB N-LC3

                                 (2)Forge thevalve body: C-A105    E-LF2    A-F11    V-F22    P-F304    R-F316    S-F304L L-F316L
 

 

 

Products design features

 

Check valves are used in pipes under pressures between PN1.6~16.0MPa (Class150~250oLb), working temperatures -196~ 60℃, They are used in industries include oil, chemistry, pharmaceutical, fertilizer, and power gene-ration to prevent the backward flux of the media.

 

The main structure features include:

1. The products feature a reasonable structure, reliable seal, good performance and nice modeling.

2. Either soft or hard seal can be selected for the product upon different working conditions.The sealing face is built up with Co-based carbide alloy, leaving a better wearability, corrosion and scrap resistance and a longer duration.

3. Smallopening pressure, the disc can be opened fully with a very small pressure differential.

4. Inside-set bolt-bearing structure reduces leakage and reliable use.

5. PN>16.0Mpa (class15oo), the middle cavity uses a self-tightening sealing structure to have the sealing performance reinforced along with the pressure rise so as to ensure the sealing performance.

6. Different parts materials and different sizes for flange, butt-welding are available for sensible combination according to different working facts and customers' requirements.

 

 

 

Main Parameter of the Products

 

Serial models (Ps)H44H(Y)、(Ps)H64H(Y)、(Ps)H41H(Y)、(Ps)H61H(Y)、(Ps)H42H(Y)、(Ps)H62H(Y)
(Ps)H74H(Y)、(Ps)H71H(Y)、(Ps)H76H(Y)、(Ps)H72H(Y)
Pressure grade range PN1.6~42.0MPa (Class150~2500)
Drift diameter range DN15~1000mm (1/2"~40")

 

 

Products Performance Specification

 

Pressure Testing pressure at constant temperature (Mpa) Applicable temperature Applicable medium
The shell testing Sealand test
(MPa)
Nominal rating pressure
(PN)
1.6 2.4 1.76 -196~600℃ Water,oil,steam,etc.
2.5 3.75 2.75
4.0 6.0 4.4
6.4 9.6 7.04
10.0 15.0 11.0
16.0 24.0 17.6
25.0 37.5 27.5
(Lb)
Pound grade
(Class)
150 3.0 2.2
300 7.5 5.5
600 15.0 11.0
900 22.5 16.5
1500 37.5 27.5
2500 63.0 46.2

 

 

 

Technical specification

 

Structural formation Butt-clamped lifting vertical type check valve
Design standard GB/T 12224
Face to face GB/T 15188.2
Flanged ends JB/T 79、GB/T9113、HG20592
Test& inspection JB/T9092

 

Notes: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.

 

 

Major parts material form

 

No. Part name Material
1 Body WCB、CF8、CF8M、CF8C、CF3、CF3M
2 Disc WCB、CF8、CF8M、CF8C、CF3、CF3M
3 Spring 4Cr13、60Si2Mn、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti
4 Plate WCB、CF8、CF8M、CF8C、CF3、CF3M
5 Lock ring 4Cr13、60Si2Mn、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti

 

 

 

Main size of outside & weight

 

Model: H72H、H72Y

 

PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
L D L D L D
1.0
1.6
15 16 53 0.15 2.5 15 16 53 0.2 4.0 15 25 63 0.3
20 19 63 0.25 20 19 63 0.3 20 31.5 74 0.4
25 22 73 0.4 25 22 73 0.45 25 35.5 84 0.6
32 28 84 0.55 32 28 84 0.6 32 40 90 1.0
40 31.5 94 0.75 40 31.5 94 0.8 40 45 105 1.5
50 40 109 1.2 50 40 109 1.2 50 56 115 2.0
65 46 129 2.0 65 46 129 2.3 65 63 140 3.2
80 50 144 2.6 80 50 144 3.0 80 71 150 7.2
100 60 164 5.7 100 60 170 7.0 100 80 177 11
125 90 194 10 125 90 197 12 125 110 213 18
150 106 220 13 150 106 220 13 150 125 250 22

 

 

Technical specification

 

Structural formation Butt-clamped lifting vertical type check valve
Design standard GB/T 12224
Face to face GB/T 15188.2
Flanged ends JB/T 79、GB/T9113、HG20592
Test& inspection JB/T9092

 

Notes: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.

 

 

 

Major parts material form

 

No. Part name Material
1 Body WCB、CF8、CF8M、CF8C、CF3、CF3M
2 Disc WCB、CF8、CF8M、CF8C、CF3、CF3M
3 Spring 4Cr13、60Si2Mn、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti
4 Plate WCB、CF8、CF8M、CF8C、CF3、CF3M
5 Lock ring 4Cr13、60Si2Mn、1Cr18Ni9Ti、0Cr18Ni12Mo2Ti

 

 

 

Main size of outside & weight

 

Model: H72H、H72Y

 

PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
PN
(MPa)
DN
(mm)
Dimensions (mm) Weight
(kg)
L D L D L D
6.4 15 25 63 0.3 10.0 15 25 63 0.3 16.0 15 25 59 0.3
20 31.5 74 0.4 20 31.5 74 0.4 20 31.5 70 0.4
25 35.5 84 0.6 25 35.5 84 0.6 25 35.5 80 0.6
32 40 90 1.0 32 40 90 1 32 40 93 1.0
40 45 105 1.5 40 45 105 1.5 40 45 101 1.5
50 56 115 2.0 50 56 122 2.2 50 56 143 2.2
65 63 140 3.2 65 63 147 3.5 65 63 163 3.5
80 71 150 7.2 80 71 157 7.5 80 71 178 7.5
100 80 177 11 100 80 183 12 100 80 210 12
125 110 213 18 125 110 220 18 125 110 249 19
150 125 250 22 150 125 260 24 150 125 282 24

 

 

 

 

Technical specification

 

Structural formation Butt-clamped lifting vertical type check valve
Design standard API 594
Face to face ASME B16.10
Flanged ends ASME B16.5
Test& inspection API 598

 

Notes: The sizes of valve connecting flange and butt-welding terminas can be designed according to customer's requirement.

 

 

 

Major parts material form

 

No. Part name Material
1 Body ASTM A216-WCB、ASTM A351-CF8、CF8M、CF8C、CF3、CF3M
2 Disc ASTM A216-WCB、ASTM A351-CF8、CF8M、CF8C、CF3、CF3M
3 Spring AISI9260、AISI6150、ASTM A182-F304、F316、F321、F304L、F316L
4 Plate ASTM A216-WCB、ASTM A351-CF8、CF8M、CF8C、CF3、CF3M
5 Lock ring AISI 9260、AISI 6150、ASTM A 182-F304、F316、F321、F304L、F316L

 

 

 

Main size of outside & weight

 

Model: H72H、H72Y

 

Class 150 300 600 900
PN
(MPa)
NPS
(in)
Dimensions (mm) Weight
(kg)
Dimensions (mm) Weight
(kg)
Dimensions (mm) Weight
(kg)
Dimensions (mm) Weight
(kg)
L D L D L D L D
15 ¹/₂  16 47 0.2 25 53 0.23 25 53 0.25 25 63 0.3
20 ³/₄ 19 57 0.3 31.5 65 0.36 31.5 65 0.38 31.5 69 0.4
25 1 22 66 0.45 35.5 72 0.52 35.5 72 0.55 35.5 78 0.6
32 1 ¹/₄ 28 75 0.6 40 81 0.75 40 81 0.8 40 88 1.0
40 1 ¹/₂  31.5 85 0.8 45 95 1.1 45 95 1.2 45 98 1.5
50 2 40 103 1.2 56 110 1.95 56 110 2.0 56 142 2.5
65 2 ¹/₂  46 122 2.3 63 129 2.9 63 129 2.0 63 164 4.0
80 3 50 135 3.0 71 148 5.5 71 148 6.0 71 167 8.0
100 4 60 173 7.0 80 180 9.0 80 192 10 80 205 13
125 5 90 196 12 110 215 15 110 240 17 110 247 20
150 6 106 222 15 125 250 20 125 265 22 125 288 25

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