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Fakai Valve Factory Site: Yongxing Industrial Zone, Longwan District, Wenzhou City Tel: 0577-88767789
Fax: 0577-85983279
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BH44H / W Jacket Insulation Check Valve

Structure diagram of BH44H / W jacket insulation check valve
Structure diagram of BH44H / W jacket insulation check valve

Scope of application

BH44H / W jacket insulation check valve adopts jacket insulation design. The jacket is welded with carbon steel pipe, which is more pressure-resistant and stronger than the cast one. This product has good heat preservation and cold preservation characteristics, and can effectively reduce the heat loss of the medium in the pipeline. It is mainly used in petroleum, chemical, asphalt, metallurgy, pharmaceutical, food and other systems to prevent the backflow of high-viscosity media that will solidify under conventional transportation.

working principle

The jacket of the heat-preserving check valve is welded between the two flanges of the valve, and the side and the bottom of the valve are provided with jacket connection ports. Due to the increase of the jacket, the size of the connection flange of this valve is one or two sizes larger than that of a common ball valve of the same specification, but the structure length is the same as that of the valve of the same specification. Or other hot insulation medium to ensure that the viscous medium can flow smoothly through the valve.

Dimensions (1.6MPa, 2.5MPa, 4.0MPa, 6.4MPa)

GB 1.6MPa
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L 130 150 160 180 200 230 290 310 350 400 480 600 650 750
H 90 95 100 105 110 115 140 170 200 230 255 285 290 300
Wt 14 15 16 17 18 19 twenty four 29 40 58 83 100 105 110
GB 2.5MPa
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L 130 150 160 180 200 230 290 310 350 400 480 600 650 750
H 90 95 100 105 110 115 140 170 200 230 260 285 290 300
Wt 14 15 16 17 18 19 twenty four 29 40 72 104 145 180 230
GB 4.0MPa
DN 32 40 50 65 80 100 125 150 200 250 300
L 180 200 230 290 310 350 400 480 600 650 750
H 120 140 150 160 175 200 225 260 315 320 300
Wt 9 12 15 20 33 41 73 104 147 180 230
GB 6.4MPa
DN 32 40 50 65 80 100 125 150 200 250 300
L 230 260 300 340 380 430 500 550 600 775 900
H 160 170 170 190 205 230 265 310 350 480 520
Wt 12 20 29 35 47 68 100 142 195 250 300

Dimensions (10.0MPa, 16MPa)

GB10.0MPa
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L 130 150 160 180 200 230 290 310 350 400 480 600 650 750
H 90 95 100 105 110 115 140 170 200 230 255 285 290 300
Wt 14 15 16 17 18 19 twenty four 29 40 58 83 100 105 110
GB 16.0MPa
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300
L 130 150 160 180 200 230 290 310 350 400 480 600 650 750
H 90 95 100 105 110 115 140 170 200 230 260 290 290 300
Wt 14 15 16 17 18 19 twenty four 29 40 72 104 180 180 230