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When the expected service or design temperature is out of the standard temperature range of SRi ball valve, SRi manufactures high temperature or cryogenic ball valves. The minimum temperature of cryogenic ball valve is -196°C.

The maximum temperature of high temperature ball valve is +450°C for TCC (Tungsten Carbide Coating) and +650°C for CCC (Chromium Carbine Coating).



ND 1/2" (DN15) to ND 36" (DN900


ASME CLASS 150 to 2500
DIN-PN PN 10 to 64


Carbon & low alloy Steels
Stainless steels
Duplex & Super Duplex
Nickel Alloys

Design features

API 6D/6A design & construction
API 6D & ASME B1610 face to face
Antistatic device
Thermic extension
Double block and bleed (DBB)
Drain plug
Connection ends upon request
Firesafe design
O-ring seals
Self-Relieving seat

On request

Full/reduced/customize bore
Manual or actuated operation

Optional Design features

Automatic bleeding system
By-pass system
Double Piston Effect (DPE)
Double Isolation & Bleed (DIB)
ENP on seat/ball/stem/body
Extended stem
Heating jacket
Locking device
Metal to metal seats
Overlay on seat pocket
Overlay on dynamic seal pockets
Overlay on all wetted parts
Polymeric lip-seals
Single Piston Effect
Stem injection fitting
Seat injection fitting

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