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Bellows Seal Control Valve
 Bellows Seal Control Valve

Bellows Seal Control Valve has a compact valve body and an S-shape flow passage that features low pressure loss, allows a large flow capacity, rangeability and high accuracy flow characteristics, complies with the IEC534-2-1976 standards. The Model HLSW Control Valves are widely applicable for reliable control of the most poisonous, flammable, explosive volatile process fluid and rare metal as the bonnet using the bellows seal. And it can be used in a vacuum occasion. The leakage complies with the ANSI B16.104 standards. The actuator integrated with simplest mechanisms utilizes a compact yet powerful diaphragm actuator loaded with multiple springs. This product complies with the GB/T4213-2008 standards.

Type

Straight-through, cast globe valve

Nominal size

DN15200mm

Rated CV value

0.01850

Pressure rating

PN1.66.4MPa,ANSI125600,JIS1040K

Fluid Temperature

-45+350

End connections

FlangedFF、RF、RJ、TG、MFM

Welded end SW、BW

Body & Bonnet Material

SCPH2/WCB,SCPH21/WC6,SCS13A/CF8,SCS14A/CF8M,SCS16A/CF3M,Ti and other alloy steels .etc.

Trim Materials

SUS304,SUS316,SUS316L,SUS420

Rangeability

501 or 301

Flow characteristics

Linear,EQ%

Leakage

Metal seat

ANSI Class III、IV

Soft seat

Bubble-tight ANSI Class VI

Actuator

HA  Pneumatic Diaphragm type

VA/VP Cylinder piston type

EIL Electronic type

M8  Intelligent type

Bellows seal control valve is widely applicable for reliable control of the most poisonous, flammable, explosive volatile process fluid and rare metal as the bonnet using the bellows seal. And it can be used in a vacuum occasion.

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