Shanghai Shangfa Valve Manufacturing (Group) Co., Ltd
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    No. 52, Lane 58, Lushen Road, Zhaoxiang Town, Qingpu District, Shanghai
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Chlorine specific shut-off valve
Product model: LWJ41F nominal diameter: DN15~400mm, NPS1/2 '~12' nominal pressure: PN1.6~4.0MPa, Class150~300Lb Applicable medium: chlorine gas, liqui
Product details

Structural features:
1. The corrugated tube formed by hydraulic molding forms the first seal, ensuring zero leakage of the valve stem seal.
2. The multi-stage PTFE packing combination in the packing box forms a second seal on top of the corrugated pipe, increasing the reliability of the seal.
3. The middle flange adopts a groove sealing structure, which ensures reliable sealing of the middle flange even in the case of pipeline pressure fluctuations.
4. The paired structure of the sealing pair adopts cone and plane types, with automatic sealing compensation to achieve a dual safety effect, stable sealing performance, no adhesive wear, and long service life.

Main component materials:

serial number Part Name material
1 valve body Nickel containing high silicon corrosion-resistant steel
2 valve cover Nickel containing high silicon corrosion-resistant steel
3 valve stem Chromium stainless steel
4 Valve disc sealing surface Plasma spray welding and surfacing corrosion-resistant alloys
5 Valve seat sealing surface Compression molded integral sintered polytetrafluoroethylene
6 filler Polytetrafluoroethylene
7 shim Polytetrafluoroethylene
8 bellows 316L、C-276

Product Features:
1. According to the specific characteristics of the medium, corrosion-resistant alloys are selected for the valve body material of the chlorine gas specific corrugated pipe globe valve, which is resistant to chlorine gas and liquid chlorine corrosion. The low temperature can reach -40 ℃, ensuring the maximum use requirements under working conditions.
2. The corrugated tube formed by hydraulic molding forms the first seal, ensuring zero leakage of the valve stem seal.
3. The multi-stage PTFE packing combination in the packing box forms a second channel above the corrugated tube, increasing the reliability of the seal.
4. The middle flange adopts a mortise and tenon sealing structure, which ensures reliable sealing of the middle flange even under pressure fluctuations in the pipeline.
5. The non rotating valve stem prevents the bellows from twisting, ensuring a longer service life of the valve.
6. The sealing pair adopts a conical and planar structure, with automatic sealing compensation to achieve a dual safety effect. The sealing performance is stable, without adhesive wear, and has a long service life.

Main dimensions:

pressure rating PN16
caliber 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 195 200 220 225 235 250 260 265 370 400 515 550 600 630 680
Do 130 130 130 130 150 150 180 180 200 200 400 450 450 500 500
Weight (Kg) 4 4.5 5 7 9 12.5 18 23 41 54 90 160 260 410 610


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