LD ball valves for gas
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BALL VALVES

CHSGS Ltd. - as part of LD GROUP - is a leading Russian manufacturer of steel valves for district heating/cooling, natural gas, petroleum products and chemical industry. Established in 2002, the plant produces and distributes 1 100 000 items per year. Today, LD is a famous quality mark recognized not only in Russia and CIS countries but also in Armenia, Azerbaijan, Belarus, Bulgaria, Estonia, Finland, Hungary, Kazakhstan, Kyrgyzstan, Latvia, Lithuania, Moldavia, Mongolia, Poland, Romania, Serbia, Slovakia, Sweden, Ukraine, Uzbekistan. We comply with all necessary international requirements...

lD.GAS ball.valve.major.features: • DN 15 – 800, PN up to 40 bar • Working media temp. - 400 C (- 600 C) to +800 C, ambient temp. -400 C (-600 C) to +600 C • Applicable for transportation of non-aggressive natural gas, LPG, non-agressive gas medium to which the valve materials are corrosion resistant. • carbon steel (Steel 20, 1.1151) for district heating/cooling, oil and gas (climate class N) • alloyed steel (09G2S) for district heating/cooling, oil and gas (climate class NF) • stainless steel (AISI 321, 1.4541) for utility water, non-aggressive media • stainless steel (AISI 321, 1.4541)...

LD baLL vaLve construction And mAteriAls of mAin pArts lD.ball.valve. ConStruCtion. 3 - Disc spring 4 - L-shaped back-up ring 5 - Ball seal 13 - Additional sealing by FVMQ ring MaterialS.of.Main.partS Climate.class.n Carbon steel Alloyed steel Carbon steel Alloyed steel Carbon steel Alloyed steel Zinc plated spring steel Zinc plated spring steel Zinc plated spring steel Carbon steel Alloyed steel Zinc plated steel with polymer Zinc plated steel with polymer Zinc plated steel with polymer Zinc plated steel with polymer Zinc plated steel Zinc plated steel Zinc plated steel Zinc plated steel...

BALL VALVE reDuCeD.bore. FLANGE/FLANGE Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.FVMQ Stem.sealing/washer:.PTFE+C, PTFE ball.sealing:.PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN) / GOST on request • Dn.15-250: lever – painted carbon steel with polymer end • Dn.200-250: ISO top flange for manual gear on default • Dn.300-800:.manual gearbox on default Gearbox in horizontal arrangement on default *To be supplied with a gearbox on default. H...

BALL VALVE.full.bore. Design of DN 350-800 FLANGE/FLANGE Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing: FVMQ Stem.sealing/washer:.PTFE+C, PTFE ball.sealing:.PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN) / GOST on request • Dn.15-200:.lever – painted carbon steel with polymer end • Dn.150-200:.ISO top flange for manual gear on default • Dn.250-700: manual gearbox on default Gearbox in horizontal arrangement on default *To be supplied with a gearbox on...

BALL VALVE.reDuCeD.bore WELD/WELD Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.FVMQ Stem.sealing/washer:.PTFE+C, PTFE ball.sealing:.PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN)/ GOST on request • Dn.15-250: lever – painted carbon steel with polymer end • Dn.200-250:.ISO top flange for manual gear on default • Dn.300-800:.manual gearbox on default Gearbox in horizontal arrangement on default *To be supplied with a gearbox on default. H indicated...

BALL VALVE full.bore WELD/WELD Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.FVMQ Stem.sealing/washer:.PTFE+C, PTFE ball.sealing:.PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN)/ GOST on request • Dn.15-250: lever – painted carbon steel with polymer end • Dn.150-200: ISO top flange for manual gearbox with worm gear installation • Dn.250-700:.manual gearbox on default Gearbox in horizontal arrangement on default *To be supplied with a gearbox on...

service Life 25 years or 10 000 cycles BALL VALVE.full.bore.MoDerniZeD Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.FVMQ Stem.sealing/washer:.PTFE+C, PTFE thread:.straight pipe thread ball.sealing: PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN)/ GOST on request • Dn.15-100: lever – painted carbon steel with polymer end

BALL VALVE THREAD/THREAD Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.EPDM, FVMQ Stem.sealing/washer:.PTFE+C, PTFE thread:.straight pipe thread operation • Dn.15-100:.lever – painted carbon steel with polymer end Gearbox in horizontal arrangement on default TECHNICAL DATA for.reDuCeD.bore Dn TECHNICAL DATA for.full.bore Dn

ServiCe.BALL VALVE COMBINED (THREAD/WELD) Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing:.FVMQ Stem.sealing/washer:. PTFE+C, PTFE thread:.straight pipe thread operation Welding end acc. to DIN (EN) / GOST on request • Dn.15-100:.lever – painted carbon steel with polymer end

BALL VALVE.reDuCeD.bore COMBINED (FLANGE/WELD) Material.SpeCifiCation.(Mat..code.02) body:.carbon steel Stem:.stainless steel AISI 420 ball:.stainless steel AISI 304, AISI 409 Stem.sealing: FVMQ Stem.sealing/washer:.PTFE+C, PTFE ball.sealing:.PTFE+C with additional sealing made of FVMQ operation Connection dimensions acc. to DIN (EN) / GOST on request • Dn.15-250: lever – painted carbon steel with polymer end • Dn.125-250: manual gearbox with worm gear recommended Gearbox in horizontal arrangement on default