Ball Valve

C-Tech provided full range of ball valves for various application from Class 150—Class4500. The temperature scope is from -196 centigrade to 800 centigrade. The size scope is from DN10 to DN800. It is available for all kinds of conditions like LNG, Oil, Vapor, Acid, Oxygen, Steam, etc. The operate method is manual, worm gear, pneumatic, hydraulic and electric. Especially, our metal seated floating ball valve could reach the leakage Class 6.

C-Tech Company cast steel floating ball valves are designed in accordance with ISO17292 featuring 2 pc split body side entry or uni-body. This series of valves are usually used in service of low pressure (150~300LB) and wide temperature range (-196℃~500℃). C -Tech full range of cast steel floating ball valves is fire safe test certified by TUV’s Register as per API 607 and API 6FA.

Size 1/2~4” (DN15~DN250)
Rating 150~300LB (PN16~PN40)
Body Material Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim Carbon Steel, Stainless Steel, Duplex Steel
End Connection RF, BW

Design Feature

Full port or reduced port Fire safe certified
Blowout-proof stem Anti-static
Low emission control Optional locking device & ISO 5211 flange

C-Tech Company forged steel floating ball valves are designed in accordance with ISO17292 featuring 2 pc split body or 3 pc split body, ideal for medium of high pressure and wide temperature range (-196℃~700℃). It can substitute the small size trunnion mounted ball valves to save cost. C-Tech full range of forged steel floating ball valves are fire safe test certified by TUV’s Register per API 607 and API 6FA.

Size 1/2~4” (DN15~DN250)
Rating 150~300LB (PN16~PN40)
Body Material Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim Carbon Steel, Stainless Steel, Duplex Steel
End Connection RF, BW, SW

Design Feature

Full port or reduced port Fire safe certified
Blowout-proof stem Anti-static
Low emission control Optional locking device & ISO 5211 flange

C-Tech Company trunnion mounted ball valves are designed in accordance with API 6D featuring 2 pc or 3 pc split body side entry or top entry design with wide range of sealing material including PTFE, Peek, Devlon, Nylon etc. This series of valves are optional designed with double block and bleed or double piston type and can be used in working temperature range -46℃~700℃. All valves are equipped with sealant injection system for both stem and seats to allow external intervention to prevent seat or stem leakage. The top entry ball valve can be used for in-line maintenance services. C-Tech full range of trunnion mounted ball valves are fire safe test certified by TUV’s Register per API 607 and API 6FA.

2 PC Side Entry Size 2~24” (DN50~DN600)
Rating 150~1500LB (PN16~PN250)
Body material Cast Carbon Steel, Stainless Steel, Duplex Steel
Trim Carbon Steel, Stainless Steel, Duplex Steel
Top Entry Size 2~36” (DN50~DN900)
Rating 150~1500LB (PN16~PN250)
Body material Cast Carbon Steel, Stainless Steel, Duplex Ste
Trim Carbon Steel, Stainless Steel, Duplex Steel
3 PC Side Entry Size 150~2500LB (PN16~PN420)
Rating 150~2500LB (PN16~PN420)
Body material Forged Carbon Steel, Stainless Steel, Duplex Steel
Trim Carbon Steel, Stainless Steel, Duplex Steel
Design Features Full port or reduced port Fire safe certified
Double block & bleed Emergency sealant injection
Cavity pressure self-relief & Blowout-proof stem Optional double piston design & Antic-static

Compared with soft seal ball valves, C-Tech metal-to-metal ball valves have wider working temperature and medium range during working condition, they have the features of reliable and safe sealing performance, long service life, easy operation and less pressure loss. They are mainly used in service of high temperature, high pressure, severe corrosion and solid material containing services such as coal chemical, polysilicon and vitriol/nitric acid industry.

Type Floating and trunnion mounted ball valves
Size 1/2~24” (DN15~DN600)
Rating 150~4500LB (PN16~PN420)
Body material Carbon Steel, Stainless Steel, Alloy Steel, Duplex Steel
Trim Tungsten carbide, Stellite
Temperature Scope
-46℃~700℃

Design Feature

Metal to metal seal design between ball and seats Double block and bleed
Seat designed with dust-proof and automatic cleaning function Blowout-proof stem
Cavity pressure self – relief Antic-static device

C-Tech Company cryogenic ball valves are suitable for the service of working temperature down to -196℃ such as LNG, LPG and air separation industry. C-Tech cryogenic trunnion ball valves are produced by the most advanced technology and they are designed with LIP SEAL which can keep valves with excellent sealing performance in ultra-low temperature. C-Tech modern cryogenic test equipment can test valves from 1/2 to 48 inches.

Type Floating and trunnion mounted ball valves (side and top entry)
Size 3/8~24” (DN10~DN600)
Rating 150~1500LB (PN20~PN260)
Body material Stainless Steel, Cryogenic Alloy Steel, Dual-Stainless steel
Trim Stainless, LIPSEAL Seal Ring, Cryogenic resistant with nonmetal seal seat/ring

Design Feature

Extended bonnet & Lip seal Fugitive emission
Cavity pressure self – relief High performance cryogenic seal material adopted
Seat and pressure relief structure can be adopted for varies working condition Top entry structure is convenience to on-line maintenance

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