Shanghai Pudong Hanwei Valve Co.,Ltd.
Shanghai Hanwei Special Valve Manufacture Co.,Ltd.
245 Hangyin Road,Pudong New Area, Shanghai 201202, P.R.C.
Tel.: 86-21-68783965 Fax: 86-21-68783966 Email: hwvalve@public8.sta.net.cn

9. Check Valves

9.1 Wafer lift check valves

9.2 Double disc swing check valves

9.3 Wafer butterfly check valves

9.4 Wafer swing check valves

9.5 Slow close butterfly check valves

9.6 Forged lift check valves

9.7 Staight way lift check valves

9.8 Vertical lift check valves

9.9 Straignt way swing check valves

9.10 Cryogenic check valves

9.11 High Pressure BW check valves

9.12 High P. wafer lift check valves

9.13 Super high P. check valves

9.14 Slow close swing check valves

9.15 Code Explanation

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9.1 Wafer lift check valves

Wafer lift check valves TOP	Technical Data
	Valve type	H72X H72F H72W H72H
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	15-200 1/2"-8"
	Temperature	<=100°C for NBR <=200°C for PTFE <=425°C for 304 316 13%Cr
	Connection	Wafer
	Connection	Wafer	Design codes	JB/T8937 ANSI B16.34 API594
	Face-to-face Dim.	GB/T15188 ANSI B16.10 API594 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API598 JIS B2003

9.2 Double disc swing check valves

Double disc swing check valves TOP	Technical Data
	Valve type	H76X H76F H46X H46F H76W H46W H76H H46H
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	50-1000 2"-40"
	Temperature	<=100°C for NBR <=200°C for PTFE <=425°C for 304 316 13%Cr
	Connection	Wafer Flange
	Connection	Wafer Flange	Design codes	GB12236 JB/T8937 ANSI B16.34 API6D API594
	Face-to-face Dim.	GB/T15188 ANSI B16.10 API594 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API6D API598 JIS B2003

9.3 Wafer butterfly check valves

Wafer butterfly check valves TOP	Technical Data
	Valve type	H77X H77F H77H
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	50-300 2"-12"
	Temperature	<=100°C for NBR <=200°C for PTFE <=425°C for 13%Cr
	Connection	Wafer
	Connection	Wafer	Design codes	GB12238 JB/T8937 ANSI B16.34 API6D API594
	Face-to-face Dim.	GB/T15188 ANSI B16.10 API594 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API6D API598 JIS B2003

9.4 Wafer swing check valves

Wafer swing check valves TOP	Technical Data
	Valve type	H74X H74F H74H
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	50-300 2"-12"
	Temperature	<=100°C for NBR <=200°C for PTFE <=425°C for 13%Cr
	Connection	Wafer
	Connection	Wafer	Design codes	GB12238 JB/T8937 ANSI B16.34 API6D API594
	Face-to-face Dim.	GB/T15188 ANSI B16.10 API594 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API6D API598 JIS B2003

9.5 Slow close butterfly check valves

Slow close butterfly check valves TOP	Technical Data
	Valve type	HH76X HH46X HH76H HH46H
	Nominal Pressure	1.0 1.6 2.0 2.5MPa 150Lb
	Size	200-1000 8"-40"
	Temperature	<=100°C for NBR <=425°C for 13%Cr
	Connection	Wafer Flange
	Connection	Wafer Flange	Design codes	GB12236 JB/T8937 ANSI B16.34 API594
	Face-to-face Dim.	GB/T15188 GB12221 ANSI B16.10 API594 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API6D API598 JIS B2003

9.6 Forged lift check valves

Forged lift check valves TOP	Technical Data
	Valve type	H11W H61W H11H H61H
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0 6.4 10.0MPa 150Lb 300Lb 600LB 800LB
	Size	15-50 1/2"-2"
	Temperature	<=425°C for 13%Cr 304 316
	Connection	Inner screw Socket welding
	Connection	Inner screw Socket welding	Design codes	JB/T7746 ZBJ16005 GB12235 ANSI B16.34 MSS SP-84
	Face-to-face Dim.	ZBJ16005 GB/T15188 JB/T7746 MSS SP-84
	Connecting dim.	GB7306 JB/T1751 ANSI B2.1 ANSI B16.11
	Inspection & test	GB/T13927 ZBJ16006 API598

9.7 Forged lift check valves

Forged lift check valves TOP	Technical Data
	Valve type	H41W H41H H41Y
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	25-200 1"-18"
	Temperature	<=425°C for 304 316 13%Cr STL(Co-Cr-W)
	Connection	Flange
	Connection	Flange	Design codes	GB12235 ANSI B16.34
	Face-to-face Dim.	GB12221 JB96 ANSI B16.10 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API598 JIS B2003

9.8 Vertical lift check valves

Vertical lift check valves TOP	Technical Data
	Valve type	H42W H42H H42Y
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	15-300 1/2"-12"
	Temperature	<=425°C for 304 316 13%Cr STL(Co-Cr-W)
	Connection	Flange
	Connection	Flange	Design codes	GB12235 ANSI B16.34
	Face-to-face Dim.	GB12221 ANSI B16.10 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API598 JIS B2003

9.9 Straignt way swing check valves

Straignt way swing check valves TOP	Technical Data
	Valve type	H44H H44Y
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	50-400 2"-16"
	Temperature	<=425°C for 304 316 13%Cr STL(Co-Cr-W)
	Connection	Flange
	Connection	Flange	Design codes	GB12236 ANSI B16.34 JIS B2074 JIS B2084
	Face-to-face Dim.	GB12221 JB96 ANSI B16.10 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API598 JIS B2003

9.10 Cryogenic check valves

Cryogenic check valves TOP	Technical Data
	Valve type	DH41Y DH44Y
	Nominal Pressure	1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	50-300 2"-12"
	Temperature	-46 -101 -196°C for STL(Co-Cr-W)
	Connection	Flange
	Connection	Flange	Design codes	GB12236 JB/T7749 ANSI B16.34 JIS B2074 JIS B2084
	Face-to-face Dim.	GB12221 JB96 ANSI B16.10 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 JB/T7749 API598 JIS B2003

9.11 High Pressure BW check valves

High Pressure BW check valves TOP	Technical Data
	Valve type	H61H H61Y
	Nominal Pressure	10.0 16.0 20.0 25.0 32.0MPa 1500Lb 2500Lb 3500LB
	Size	50-300 2"-12"
	Temperature	<=540 <=5706°C for 13%Cr STL(Co-Cr-W)
	Connection	Butt welding
	Connection	Butt welding	Design codes	JB/T3595 GB12236 E101 ANSI B16.34
	Face-to-face Dim.	GB/T15188 E101 ANSI B16.10
	Connecting dim.	GB12224 ANSI B16.25
	Inspection & test	GB/T13927 ZBJ16006 JB/T3595 E101 API598

9.12 High P. wafer lift check valves

High P. wafer lift check valves TOP	Technical Data
	Valve type	H72H H72Y
	Nominal Pressure	10.0 16.0 20.0MPa 600Lb 900Lb 1500Lb
	Size	15-100 1/2"-4"
	Temperature	<=425°C for 13%Cr STL(Co-Cr-W)
	Connection	Wafer
	Connection	Wafer	Design codes	JB/T450 API594
	Face-to-face Dim.	JB2766 API594
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.5
	Inspection & test	JB/T450 GB/T13927 API598

9.13 Super high P. check valves

Super high P. check valves TOP	Technical Data
	Valve type	H12W H12H H42W H42H H71W H71H
	Nominal Pressure	250.0 320.0
	Size	3 6 10 15 20 25
	Temperature	<=280°C for 13%Cr 18-8Cr-Ni
	Connection	Wafer Flange Piping
	Connection	Wafer Flange Piping	Design codes	JB1308 JB1309
	Face-to-face Dim.	JB1310-JB1328
	Connecting dim.	JB1310-JB1328
	Inspection & test	JB1309

9.14 Slow close swing check valves

Slow close swing check valves TOP	Technical Data
	Valve type	HH44X HH44H
	Nominal Pressure	1.0 1.6 2.0 2.5 4.0 5.0MPa 150Lb 300Lb 10K 20K
	Size	200-600 8"-24"
	Temperature	<=100°C for NBR <=425°C for 13%Cr
	Connection	Flange
	Connection	Flange	Design codes	GB12236 ANSI B16.34 JIS B2074 JIS B2084
	Face-to-face Dim.	GB12221 ANSI B16.10 JIS B2002
	Connecting dim.	JB79 GB9113 SH3406 HG20592 ANSI B16.1 ANSI B16.5 JIS B2212 JIS B2214
	Inspection & test	GB/T13927 ZBJ16006 API598 JIS B2003

9.15 Code Explanation

1 - Working conditions.
    B stands for Jacket.
    H stands for Slow-close.
    D stands for Cryogenic.

2 - Valve type
H stands for Check Valves.

3 - Connecting types
    1 stands for inner thread.
    4 stands for flanged.
    6 stands for SW and BW.

4 - Construction Types
    1 stands for Through lift.
    2 stands for Vertical lift.
    4 stands for Single swing.
    6 stands for Double swing.
    7 stands for Butterfly

5 - Seat materials
H stands for stainless steel.
Y stands for STL..

6 - Nominal pressure
    For GB valves, the figure is 10 times more than
    the nominal pressure (MPa).
    For ANSI valves, the figure is class such as
    150Lb, 300Lb,etc.
    For JIS valves, the figure is class such as
    10K, 20K, etc.

7 - Body Materials
    Z stands for Iron.
    C stands for carbon steel.
    P stands for 304 S.S.
    R stands for 316 S.S.
    C1 stands for WC1.
    C6 stands for WC6.
    C9 stands for WC9.

For example:

H44y-16P means the check valves with flange connection single disc swing construction STL seat PN1.6MPa and Cr-Ni S.S. body.

H76X-10C means the check valves with flanged connection double disc swing construction rubber seat PN1.0MPa and C.S. body.