naval underground ball valves ,
Air release valve / Long female threads / welding EN (DIN), DN 20-50, reduced bore

Materials

Body DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404)
Extension Pipe DN 20-50 : Steel, P235GH (1.0345)
Ball DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404)
Ball seal DN 20-50 : PTFE+C
Stem DN 20-50 : Stainless steel, X2CrNiMo17-12-2 (1.4404)
Stem seal DN 20-50 : FPM/NBR
Plug DN 20-50 : DZR brass

Operation

Equipment

DN 20-50 are equipped with:

plug

Operating conditions

-20 °C – +200 °C
Below -20 °C contact manufacturer
Lowest allowed ambient temperature -40 °C

Leakage rate A (EN 12266-1)

Pressure-temperature diagram DN 65–500

Dimension

DN 20-50

DNPNProduct no.DD1D2HH1HEXHEX19LL1L2L3RSS1kg
2025286035L1526.942.4632119195004844343512,641.5
2525286036L2033.748.3732719195004824253422,641.9
3225286037L2542.460.3762519195004794143053,24,52.8
4025286038L3248.370.0843127195004794032993,74,53.3
5025286039774060.388.9933227195004763862782,944.0

Product numbers and downloads

Product NoEANLVIRSKNRFMMDNPNKvPhotokg
286035L20251.5
286036L25251.9
286037L32252.8
286038L40253.3
2860397750254.0

Technical documentation for the product

Certificates

Declaration of Conformity
Declaration of Conformity
Share file
Declaration ​Of Conformity (DN10-25, FI, EN, SE)
Declaration ​Of Conformity (DN10-25, FI, EN, SE)
Share file
EHP003-certificate
EHP003-certificate
Share file
EN 3834-2 certificate
EN 3834-2 certificate
Share file
EN 488:2020
EN 488:2020
Share file
ISO 14001 certificate
ISO 14001 certificate
Share file
ISO 9001 certificate
ISO 9001 certificate
Share file
Pressure Equipment Directive (PED)
Pressure Equipment Directive (PED)
Share file
Serbia EN488 2018
Serbia EN488 2018
Share file
Vexve Oy Finnish key flag certificate EN
Vexve Oy Finnish key flag certificate EN
Share file

Operation manuals

Ball valve kv values chart and pressure loss diagrams
Ball valve kv values chart and pressure loss diagrams
Share file
Ball valve operating torques
Ball valve operating torques
Share file