NON RETURN VALVE- PN 400 SCREWED ENDS

Non Return Valve – PN 400 Screwed ends

 

A reliable high pressure non-return/check valve for free flow in one direction only with minimum pressure drop. Soft seating arrangement without any force on the soft BUNA ‘N’ or VITON seals results in zero leakage at back pressure and long life available with screwed ends, tube/pipe ends in single and double ferrule design and combination 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 – 620 Kg/cm2
Seat – 413 Kg/cm2
Pneumatic Seat – 60 Kg/cm2
Seal BUNA ‘N’, VITON
Material A 105, A 479 SS304, A 479 SS316, Monel, Hastelloy
Finish CS zinc plated and dichromated. SS Natural

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Description

CONNECTIONS
SIZE
S1
S3
B.S.P. Ends
N.P.T. Ends
L1
PART No.
L1
PART No.
1/8″
22
22
65
2 NRF-R
64
2 NRF-N
1/4”
22
22
75
4 NRF-R
76
4 NRF-N
3/8”
27
27
85
6 NRF-R
90
6 NRF-N
1/2”
32
32
93
8 NRF-R
98
8 NRF-N
3/4”
41
41
108
12 NRF-R
111
12 NRF-N
1”
50
50
129
16 NRF-R
135
16 NRF-N
1-1/4”
65
65
155
20 NRF-R
162
20 NRF-N
1-1/2”
65
65
166
24 NRF-R
166
24 NRF-N
ø2”
90
90
185
32 NRF-R
191
32 NRF-N

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