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CN | EN

Bellows seal globe valve

Technical Parameters

Product model: WJ41H

Nominal diameter: NPS 2 "～ NPS24" DN50 ～ DN600

Pressure range: CL150 ～ CL1500 PN10 ～ PN250

Working temperature: - 196 ℃~+600 ℃

Main material: carbon steel, stainless steel, alloy steel

Applicable medium: thermal oil, liquefied gas, steam, inflammable goods, etc


Product Details

Product Overview

J41H bellows globe valve is made of metal bellows sealing technology. High performance metal bellows and bellows sealing globe valve are designed with bellows sealing, which completely eliminate the disadvantage of quick aging and leakage of ordinary valve stem packing. It not only improves the energy efficiency, increases the safety of production equipment, reduces maintenance costs and frequent maintenance, but also provides a clean and safe working environment. Bellows globe valves are widely used in petrochemical, chemical fiber textile, plastic paper making, electric power steel, printing and dyeing rubber, food and other industries.

J41H/W type PN16~PN40 bellows stop valve is applicable to the petroleum, chemical, pharmaceutical, chemical fertilizer, electric power industry and other working conditions with the working pressure of 1.6~4.0MPa and the working temperature of - 29~350 ℃, but the regulating pipeline medium is disconnected or connected.


Product features

1. The product structure is reasonable, the sealing is reliable, and the double durable bellows sealing design (bellows+packing) ensures zero leakage of the valve stem. No fluid loss, reduce energy loss and improve plant equipment safety. And meet the international sealing standards.

2. The sealing surface is welded with Co based cemented carbide, which has good wear resistance, corrosion resistance, friction resistance and long service life.

3. The valve rod is quenched and tempered and the surface is nitrided, with good corrosion resistance and friction resistance; The up and down position indication of the valve rod is more intuitive.


Main connection dimension

Pressure rating PN16
DN 15 20 25 32 40 50 65 80 100 125 150 200 250 300 350
L 130 150 160 180 200 230 290 310 350 400 480 600 730 850 980
H 190 195 225 260 280 310 340 395 435 470 535 590 630 680 720
W 120 140 140 180 200 220 260 280 300 340 400 450 450 500 500
WT（Kg） 5 5 5.5 11 13.5 19 26 36 46 74 102 168 270 420 620

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