The largest manufacturer of fully welded steel ball valves .
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LD Ball valves production. About company, technologies, product range

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 and standards, such as ISO 9001:2015, PED 2014/68/EU, EN 488.

Горловина DN15-100


In order to guarantee competitive price and high quality only domestically produced raw materials are used for production of LD ball valves. For timely delivery, warehouses in Saint-Petersburg, Moscow and Novosibirsk are at your convenience and service.

Склад готовой продукции LD

 LD ball valve major features:

• DN 15 – 800, PN up to 40 bar
• Working media temp. -40C (-60C) to +200C, ambient temp. -40C (-60C) to +80C
• 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) for chemical industry (aggressive media)
Контроль качества
• Tightness A rate acc. to EN12266-1
• Service life 30 years (10 000 cycles)
• Warranty 3 years