Compact Non Return Valve Screwed ends

 

These compact valves offer minimum resistance to flow in one direction and shut-off in reverse. sealing by 90° C one with packing washer of synthetic material. Valve lift stops therefore safe free outlet shock-absorbing and muffled opening. no reduction of cross section. Maximum flow rate not more than 4-5 m/sec. They are available in a variety of screwed and pipe/ tube ends.
Cracking Pressure 0.3TO 0.5 Kg/cm2 – Standard
Special Cracking Pressure Available
Test Pressure 25° C Room Temperature
Hydrostatic Body – 500 Kg/cm2
Seat – 413 Kg/cm2
Pneumatic Seat – 60 Kg/cm2
Seal BUNA ‘N’, VITON
Material A 105, A 276 SS 304, A 276 SS 316, MONEL, Hastelloy, Brass
Finish CS zinc plated and dichromated. SS & BRASS – Natural

Description

SIZE
S1
S2
BSP ENDS
L1                                       PART No.
NPT ENDS
L1                                       PART No.
1/4″
19
19
51                           4 CVF – R
51                           4 CVF – R
3/8″
27
27
85                           6 CVF – R
90                           6 CVF – R
1/2″
32
32
93                           8 CVF – R
98                         8 CVF – R
3/4″
41
41
108                        12 CVF – R
111                        12 CVF – R
1″
50
50
129                        16 CVF – R
135                        16 CVF – R
1-1/4″
65
65
155                        20 CVF – R
162                        20 CVF – R
1-1/2″
65
65
166                        24 CVF – R
166                        24 CVF – R