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Double Block and Bleed Floating Ball Valve

Double Block and Bleed Floating Ball Valve

Basic Info Type: Floating Ball Valve Function: Blow-Down Valve, Relief Valve, Atmospheric Valve, Bypass-Valve Temperature: Normal Temperature Application: Industrial Usage, Water Industrial Usage, Household Usage

Details

Basic Info

Type: Floating Ball Valve

Function: Blow-Down Valve, Relief Valve, Atmospheric Valve, Bypass-Valve

Temperature: Normal Temperature

Application: Industrial Usage, Water Industrial Usage, Household Usage

Body: Split Body or Integral Body

Ball: Enp,Chrome Plating,Tungsten Carbide,Chrome Carbide

Stem: Blowout-Proof Stem

Seat Ring: Single Piston Effect or Double Piston Effect Seat

Seat Insert: PTFE,Rptfe, Nylon, Devlon, Peek,Molon

O Ring: Aed O Ring

Fire Safe: External Leakage Prevention, Internal Leakage Prev

Sealing: Double Block and Bleed

Cryogenic Services: Extended Bonnet for Cryogenic Services

Special: Nace Mr-0175

Transport Package: Plastic+Wooden Case

Origin: China

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Product Description

DOUBLE BLOCK AND BLEED BALL VALVE 
ARAN Double block and bleed Ball Valve require two isolation in one line and a bleed function. It is applied to control the flow between the two 'ball valves' cavity in order to block the downstream pipeline in a safety way. The double block is playing the role of venting the pressure safety during maintenance by a valve stead of two bolted valves.

Product Design Features
-Ball - Floating Ball or Trunnion Mounted. Choice of bleed valve.
-Gate Type - Stelited Seats. Choice of bleed valve.
-Sealing options including additional graphite, O-rings and/or lip seals.
-Seating options including PTFE, PEEK and metal seated.
-Seating options including Devlon, Nylon, PTFE, PEEK, PCTFE and TCC metal seated.

Production Range
-1-1/2" to 8"
-150lb to 2500lb
-Full and Reduced bore
-Manual and Actuated
-Ball Needle Ball
-Gate Needle Gate

Material Scope
-Statoil approved QTR qualified to NORSOK M650 edition IV.
-Carbon and Low Temperature Carbon Steel
-Austenitic and Super Austenitic Stainless Steels
-Duplex and Super Duplex
-Nickel alloys and Super alloys eg 6Mo, Hastelloy, Inconel and Monel.
All from high quality forgings & castings. Other material combinations available against specific requirements.

Option
-Metal Seated Ball valves with Tungsten Carbide Coating (TCC) on the seat and ball
-Inconel overlay seat pockets
-Hot Dipped Galvanised Bolting (HDG)

 

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