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Forged Steel Integral Double Block and Bleed Valve

Forged Steel Integral Double Block and Bleed 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 Body: Split Body or Integral Body Ball: Enp,Chrome Plating,Tungsten Carbide,Chrome...

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

Specification: 1500*1500*2000mm

Origin: China


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.
 

Standards of compliance
Factory certificationISO 9001-2008Quality management system
Valve design & testsANSI B16.34, API 608, API 6D / ISO 14313, ISO 17292Valve design
 ANSI B1.20.1NPT - National Pipe Taper thread
 DIN 3852BSPP
 ANSI B16.11, EN 12760Socket weld end connection
 ANSI B16.25, EN12627-4Buttweld end connection (schedule 5, 10, 40, 80)
 ANSI B16.5, EN 1092 Pt 1&2Flange dimensions
 NACE MR-0175, ISO 15156-1/2/3Materials for use in H2S-containing environments in oil and gas production
 EN 12266-1, API 598Testing of metallic valves - pressure tests, test procedures and acceptance criteria.
 API 607, ISO 10497Testing of valves - fire type-testing requirements
 ISO 15848-1Industrial valves - measurement, test and qualification procedures for fugitive emissions
CertificationsPED 2014/68/EU Module HPressure equipment directive
 ATEX 2014/34/EUequipment and protective systems intended for use in potentially explosive atmospheres (optional for actuated unit only)
 IEC 61508-2 SIL 2/3Safety integrity level - functional safety of electrical/electronic/ programmable electronic safety-related systems (optional for actuated unit only)





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