CHECK VALVES - NON RETURN VALVE
IS:778 STANDARD
CAT NO. : PVT / NRV / 778




Screwed Ends 
   


 Flanged Ends
S. NO.
PARTS
MATERIAL OF CONSTRUCTION
1
Cap
Gun metal
2
Disc
Bronze / Neoprene rubber
3
Body
Gun metal

T E S T    P R E S S U R E - Hydrostatic kg/cm2
Rating
Body
Seat
PN 1.0
15
10
PN 1.6
24
16
600#
124
82
DURATION
5 MINS.
2 MINS.

 

D E T A I L S
Description
Automatic Non-return valve (one way valve), Horizontal line
MOC (body)
GM / CI / SS304 / SS316
MOC (seat) GM / SS / Rubber / Teflon
Design Screwed cover / Union cover / Bolted cover
End Conn. Screwed / Flanged
Rating PN1.0 / PN1.6 / 600#
On request Spring loaded
Suitable for Water, oil, gas, steam

 

 

 

 

 

 

 

D I M E N S I O N S (in mm)
Sizes ->
15
20
25
32
40
50
65
80
100
Flanged end
B
75
85
95
100
120
145
165
185
216
D
95
105
115
140
150
165
185
200
220
T
6
6
8
8
9
11
13
13
16
Screwed end
F/F
60
70
80
95
110
125
160
180
216

 


CI = Cast Iron  CS = Cast Steel  MS = Mild Steel  SS = Stainless Steel(304/316)  GM = Gun metal(copper alloy)