Insulation jacket valve structure characteristics and working principle

Insulation jacket valve is mainly used in petroleum, chemical, metallurgical, pharmaceutical and other systems, insulation jacket valve installed in the valve sleeve between the two flanges , the valve side, the bottom is provided with a jacket connector , The jacket can freely flow steam or other hot insulation medium, to ensure that the viscous medium can flow smoothly through the valve .

Insulation jacket valve for nominal pressure PN1.0 ~ 10.0MPa, Class150 ~ 600, JIS10K ~ 20K, operating temperature -29 ~ 425 ℃ (carbon steel), -40 ~ 500 ℃ (stainless steel) for opening and closing the pipeline , And can heat and prevent crystallization of the medium. Selection of different materials, respectively, for heavy oil, plastic, nitric acid, acetic acid, strong oxidizing media and urea and other media.

保温夹套闸阀结构图

Insulation jacket valve structure

Insulation jacket valve Features:

Jacket welding installed in the valve between the two flanges, the valve side, the bottom of the jacket with a connection port. Connecting flange size than the same specifications of the ordinary valve connecting flange size one to two specifications, the same structure with the same length of the ordinary valve. The jacket can freely flow steam or other hot insulation medium, to ensure that the viscous medium can flow smoothly through the valve.

Insulation valve works:

Insulation valve has a good thermal insulation properties, and the valve diameter and diameter of the same, but can effectively reduce the pipeline medium heat loss. Has a good thermal insulation properties, while reducing the pipeline medium heat loss. Insulation valves in the petroleum, chemical, metallurgical, pharmaceutical and other systems are more applications, effectively reducing the heat loss of the pipeline medium, to prevent the crystallization medium, such as the appearance of solidification. Insulation valve is the role of high or low temperature conditions through the valve, the insulation material inside the valve insulation effect, so that the medium will not condense or stick in the valve body, so that the valve opening and closing to normal operation.

Insulation jacket valve standard:

Design and manufacture of standards: GB / T 12234

Structure length standard: GB / T

Connection flange standard: GB / T 9113

Pressure temperature grade: GB / T

Test test standards: GB / T

Insulation jacket valve parts materials and conditions:

Part Name

ZG1Cr18Ni19Ti

ZG00Cr18Ni10

ZG1Cr18Ni12MO2Ti

ZG00Cr17Ni14MO2

WCB

Body / bonnet

ZG1Cr189Ti

ZG00Cr18Ni10

ZG1Cr18Ni12MO2Ti

ZG00Cr17Ni14MO2

WCB

gate

ZG1Cr189Ti

ZG00Cr18Ni10

ZG1Cr18Ni12MO2Ti

ZG00Cr17Ni14MO2

1Cr13

Valve stem

1Cr189Ti

00Cr18Ni10

1Cr18Ni12MO2Ti

00Cr17Ni14MO2

1Cr13

filler

PTFE braid

PTFE braid

PTFE braid

PTFE braid

graphite

Gasket

304 + -PTFE

304L + PTFE

316 + PTFE

316 + PTFE

Graphite +304

Gland

ZG1Cr189Ti

ZG00Cr18Ni10

ZG1Cr18Ni12MO2Ti

ZG00Cr17Ni14MO2

WCB

Packing pressure ring

1Cr189Ti

00Cr18Ni10

1Cr18Ni12MO2Ti

00Cr17Ni14MO2

1Cr13

bolt

1Cr17Ni2

1Cr17Ni2

1Cr17Ni2

1Cr17Ni2

35CrMoA

Nut

1Cr189Ti

1Cr189Ti

1Cr189Ti

1Cr189Ti

45

Insulation valves and ordinary valves What is the difference:

Insulation valve and the difference between the ordinary valve is the insulation of the outer insulation interlayer insulation layer, there are two entrances and exits in the junction. You can use steam or hot oil as the insulation valve through the medium without temperature reduction and curing.

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