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VariAS-Blocks
Typically provided with two ball valves for isolation and a needle valve for bleeding.
Standard Valve Head Unit
Ball Valve
Bore Size 10 mm (0.39″)
- Floating Ball Design
-
Body Cavity Relief
Ball with pressure relief hole -
Ball Valve Seat
– Soft Seated: Reinforced PTFE or PEEK.
Totally enclosed in seat carrier.
– Metal Seated: Ball and seats coated with
Hardalloy and Carbide Compounds. -
Stem Seal
PFTE or Graphite
- Anti-Blowout Stem Design
- Anti Static Design
-
Fire Safe Tested
Acc. to ISO 10497 / API 607 – With Graphite Seals only -
Positive Stop Pins
-
All Non-wetted Parts
In 316 Stainless Steel -
Lockable Handle with Color Coded Handle Grip
Isolate BLUE | Vent RED
Ball Valve
Bore Size Ø 14 mm [0.55″] and Ø 20 mm [0.79″]
- Floating Ball Design
-
Body Cavity Relief
Ball with pressure relief hole -
Ball Valve Seat
Reinforced PTFE or PEEK -
Stem Seal
– PFTE or Graphite
– Lip Seal and FKM O-Ring Steam Seals optional
- Anti-Blowout Stem Design
- Anti Static Design
-
Fire Safe Tested
Acc. to ISO 10497 / API 607 – With Graphite Seals only -
Positive Stop Pins
-
All Non-wetted Parts
In 316 Stainless Steel -
Lockable Handle with Color Coded Handle Grip
Isolate BLUE | Vent RED
Needle Valve
-
Integral Valve Seat
Metal to metal seated - External Stem Thread
-
Interface of Stem and Needle
Is above the packing - Non-rotating Needle
-
Needle Seal
PTFE or Graphite
-
Back Seat
Metal to metal secondary needle seal -
Color Coded Dust Cap
For operation thread protection -
All Non-wetted Parts
In 316 Stainless Steel -
Lock Pin
Eliminates unauthorized removal of the bonnet