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Pressure Seal Bonnet Globe Valve

Pressure Seal Bonnet Globe Valve

Pressure seal bonnet globe valve is a valve designed for high pressure working conditions, widely used in power, petroleum, chemical and other industries. Different from the traditional bolted bonnet, the pressure seal bonnet relies on the medium pressure to enhance the sealing performance. The stronger the sealing performance under high pressure environment, the safer the valve can operate under high temperature and high pressure conditions.

The  pressure seal bonnet globe valve adopts a straight-through structure, the medium flows in a straight line, reducing fluid resistance, and is suitable for pipeline systems with frequent opening and closing. The stop valve controls the up and down movement of the valve disc by rotating the valve stem to achieve precise regulation and cut-off of the fluid, and has excellent sealing performance. Its internal structure is reasonably designed, which effectively avoids medium leakage and ensures the safety and reliability of the system.

 

The pressure sealing bonnet has a sturdy structure and strong pressure resistance, and can maintain stable performance during long-term operation. Due to its unique sealing method and high durability, the pressure sealing bonnet stop valve is particularly suitable for applications with strict sealing requirements and high working pressure.

 

Pressure seal bonnet globe valve | Product parameters

●Valve core: stainless steel 06Cr19Ni10 (two-way), HPb59-1 (three-way)
●Valve stem seal: four-layer V-type and O-type combined nitrile rubber seal, polytetrafluoroethylene sealing sleeve
●Valve stem: stainless steel 06Cr19Ni10
●Valve body, valve cover material: HT250
●Nominal pressure (PN): 1.6MPa
●Working medium: water, fluid temperature 5~95℃
●Valve leakage: ≤0.03%KV
●Flange standard: GB/T 17241.6 PN16

DDF-S-X

 

Order code Product Model Valve type DN Connection Bolt size Kv value Stroke Dimensions Maximum closing pressure difference
[kPa]
L d D H H1
12451 DDF-S-X-232 2 WAY 32 Flange 4×M16 21 20 180 ∅100 ∅135 138 108 600 ------ ------
12452 DDF-S-X-240 2 WAY 40 Flange 4×M16 28 20 200 ∅110 ∅145 139 119 500 ------ ------
12453 DDF-S-X-250 2 WAY 50 Flange 4×M16 34 20 230 ∅125 ∅165 142 135 350 ------ ------
12454 DDF-S-X-265 2 WAY 65 Flange 4×M16 54 20 290 ∅145 ∅185 154 165 250 ------ ------
12455 DDF-S-X-280 2 WAY 80 Flange 8×M16 67 20 310 ∅160 ∅200 158 180 200 ------ ------
12456 DDF-S-X-2100 2 WAY 100 Flange 8×M16 120 40 350 ∅180 ∅220 200 200 ------ 300 500
12457 DDF-S-X-2125 2 WAY 125 Flange 8×M16 180 40 400 ∅210 ∅250 213 230 ------ 200 350
12458 DDF-S-X-2150 2 WAY 150 Flange 8×M20 256 40 480 ∅240 ∅285 229 270 ------ 150 200
12459 DDF-S-X-2200 2 WAY 200 Flange 12×M20 330 40 600 ∅295 ∅340 259 329 ------ ------ 150
12672 DDF-S-X-332 3 WAY 32 Flange 4×M16 21 20 180 ∅100 ∅135 138 90 600 ------ ------
12673 DDF-S-X-340 3 WAY 40 Flange 4×M16 28 20 200 ∅110 ∅145 139 100 500 ------ ------
12460 DDF-S-X-350 3 WAY 50 Flange 4×M16 34 20 230 ∅125 ∅165 142 115 250 ------ ------
12461 DDF-S-X-365 3 WAY 65 Flange 4×M16 54 20 290 ∅145 ∅185 154 145 200 ------ ------
12462 DDF-S-X-380 3 WAY 80 Flange 8×M16 67 20 310 ∅160 ∅200 158 155 150 ------ -----
12463 DDF-S-X-3100 3 WAY 100 Flange 8×M16 120 40 350 ∅180 ∅220 200 175 ------ 250 350
12464 DDF-S-X-3125 3 WAY 125 Flange 8×M16 180 40 400 ∅210 ∅250 213 200 ------ 200 250
12465 DDF-S-X-3150 3 WAY 150 Flange 8×M20 256 40 480 ∅240 ∅285 229 240 ------ ------ 200
12466 DDF-S-X-3200 3 WAY 200 Flange 12×M20 330 40 600 ∅295 ∅340 259 300 ------ ------ 150

 

 

Product advantages

 

 

Safe and reliable: The sealing performance of the pressure-sealed valve cover increases with the increase of pressure, ensuring the absolute sealing of the system and avoiding potential leakage risks.

 

Easy maintenance: Reasonable design, simple installation and maintenance, and long service life of the valve, reducing downtime and maintenance costs.

 

Easy operation: The medium flow can be easily adjusted or closed by rotating the valve stem, which is suitable for a variety of industrial control scenarios.

 

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