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Cryogenic Trunnion Mounted Ball Valve - Series 8200

Series - 8200

Dembla cryogenic ball valves can withstand and operate effectively at extremely cold temperatures up to -196°C. Cryogenic ball valves are bi-directional, tight shut-off used in low-temperature applications with hazardous and non-hazardous environments. The unique bonnet design allows only a thin layer of flow between extension ID and stem OD, resulting in minimum energy loss along the extension.

Size & Rating


150#

24 Inch

DN 600

300#

24 Inch

DN 600

600#

24 Inch

DN 600

900#

16 Inch

DN 400

1500#

16 Inch

DN 400

Features


Height of the extended bonnet suitably designed to keep away stuffing box from cryogenic surfaces. This avoids the failure of seals due to low temperature effect.

Anti Blow-out Stem.

Anti-static Device

Automatic Cavity Relief

ISO mounting pad for gearbox/ actuator

Lip seal

Dual seal

Bi-directional

Double Block and Bleed

Cryogenic Trunnion Mounted Ball Valve - Series 8200

Standard


Design

BS 6364, API 6D

Face to Face

ASME B16.10, API 6D

Flange End

ASME B16.5

Test and Inspection

ISO 5208, BS 6364, MESC SPE 77/200, MSS SP-134

Body & Trim MOC


MATERIAL

Limiting Temperature

Forged

Casted

A350 LF3

A352 LC3

-101℃

A182 F304

A351 CF8

-254℃

A182 F316

A351 CF8M

-254℃

A182 F304L

A351 CF3

-254℃

A182 F316L

A351 CF3M

-254℃

Seat / Seal MOC


Properties

PCTFE

PTFE

PEEK

Temperature Range °C (°F)

-302~328
(-150 ~200)

-328~392
(-150 ~200)

-148~500
(-100~260)

Pressure Rating

150# - 1500#

150# - 600#

150# - 2500#

Mechanical Properties

Hardness (D)

75 ~ 85

55 ~ 60

≥ 82

Tensile Strength (MPa)

31.4 ~ 37.5

28 ~ 40

≥ 95

Tensile Elongation (Break, %)

50 ~ 200

> 350

≥ 55

Physical Properties

Specific Gravity (g/cm3)

2.11 ~ 2.16

2.16 ~ 2.18

1.3 ~ 1.4

Water Absorption, 24 hrs. (%)

0.00

0.00

0.2

Water Absorption Saturation

< 0.01

<0.01

0.5

Service Application

Cryogenic & Low Temperature

Chemical & Low Temperature

High Pressure & Temperature

Application Industries


Dembla

Oil & Gas

Dembla

Metallurgy

Dembla

Power Generation

Dembla

Chemical

Dembla

Petrochemical

Dembla

Marine

Global Presence of Dembla

Dembla is one of the major Manufacturer, Exporter and Supplier of Cryogenic Trunnion mounted ball Valve - Series 8200 in Italy, Iraq, Korea, Germany, France, Japan, USA, Russia, Brazil, Mexico, Chile, Canada, Australia, Indonesia, Philippines, Vietnam, Africa, Spain, Turkey, Netherlands, UK and across the Entire Globe.

Our Manufacturing set up is situated at Bhiwandi, Thane - Mumbai, Maharashtra, India.