This kind Gate Valves can be used for water supply, sewage, fire fighting, irrigation, heating, cooling system, etc.

Technical specification

Part list

No Parts name Material Standard

1 Body Ductile iron En GJS 500-7

2 Wedge nut Forged brass/bronze Cz122 / ca103

3 Stem Stainless steel AISI 420 / AISI 431

4 Gasket Rubber NBR

5 Bonnet Ductile iron En GJS 500-7

6 O-ring Rubber NBR

7 Washer PTFE Commercial

8 O-ring Rubber NBR

9 Bushing PTFE Commercial

10 O-ring Rubber NBR

11 Dust wiper Rubber NBR

12 Handwheel Cs Commercial

13 Hex bolt Cs Commercial

14 Washer Cs Commercial

15 Gland Ductile iron En GJS 500-7

16 In hex bolt Cs Commercial

17 Cap Ductile iron En GJS 500-7

18 In hex bolt Cs Commercial

19 Washer Cs Commercial

20 Wedge lining Rubber EPDM

21 Guide Plastic Nylon 66

22 Wedge Ductile iron En GJS 500-7

Option: WRAS approved gate valve 

All rubber parts, epoxy, lubricant are WRAS approved. 

Confirms to BS 5163; BS EN 1074; BS EN 1171 

Flanges comply with en 1092-2 

250 um powder epoxy coating thickness 

Tests 

Hydraulic test to BS / en 

Seat :1.1 x PN body: 1.5 x PN 

link:http://www.afcvalvechina.com/pdf/1-1-1-gate-valve.pdf