Zhejiang Naibang Valve Co.,Ltd
+86-577-67991298 sale@nipovalve.com

Products

Check Valve

Single Disc Check Valve Long Type

Single Disc Check Valve Long 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...

Products Details

Product Description

1. Design According to API 6D 

2. Flange Dimension According to ASME B16.5 

3. Face to face according to API6D

4. Pressure & Temperature Rating according to ASME B16.34

5. Test & inspection According to API 598

6. Materials: CF8M (SS316), CF8 (SS304), DIN4.4408/4.4308 Available

7. Working Pressure: PN10-PN40

8. Suitable Temp.: -196ºC-550ºC( Different temp. for different material)

9. Suitable Medium: Water, Natural Gas, Oil and some corrosive liquid


Main Technical Specification

ModelNominal PressureTest Pressure(MPa)Working Temperature
(ºC)
Suitable Medium
PN(MPa)ShellSealing
H77X
H77H
H77Y
H77W
1.01.51.1Soft Sealing:
100~225
Metal Sealing
200~550
Water,Oil,Gas,Acid.,etc
1.62.41.76
2.53.752.75
1.06.04.4
6.49.67.0


Main Parts and Material

Part NameMaterial
H77X-10C,25 16,40H77H-16C,40 25,64H77Y25I 40I164IH77W10C,25 16C,40H77W-10P,25P 16P,40P
BodyWCBWC6WCBlCrl8Ni9Ti
Stem2Crl3lCrl8N19Tl20r13
Seat
STLSTL

SpringlCrl8N19TiAlloy1Crl8Ni9Ti


Main External Dimensions

Tilting Disc Wafer Type Swing Check Valve (GAH77H)




DN
LD2D3DN
 
LD2D3
H77XH77H
H77Y
H77W
LJH77XH77H
H77Y
H77W
50431004346400140485376390
80641 057l80d50152545427427
1006415591 594500152608479490
12570185115118600178718579588
1507621014l145700229800675686
20089265191200800241905774784
2501143202302509002411005875-
3001143752903001000300lll5974-
350127435340340120036013251165-


Features

1. Investment casting 

2. Low pressure drop 

3. Highest degree of tightness 

4. Low pressure drop, low friction 

5. Seat: NBR/EPDM/Viton/Metal






Equipped with a professional factory, Naibang Valve is a professional manufacturer and supplier of single disc check valve long type in China. If you want to buy quality product of various beautiful bags, you can get it at a cheap price from us.
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Address: No.43 Zhongxing Road, Tangtou Industrial Zone, Oubei Town, Yongjia County, Wenzhou, Zhejiang, China
Tel: +86-577-67991298
Fax: +86-577-67991298
E-mail:sale@nipovalve.com
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