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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German standard globe valve
Product model: WJ41 nominal diameter: DN15~350mm nominal pressure: PN16~40MPa working temperature: -29~350 ℃
Product details

1、 Product Overview:

The bellows sealed globe valve is a high-performance metal bellows valve manufactured by the company using advanced German technology and advanced metal bellows sealing technology. The bellows sealed globe valve adopts a bellows sealed design, completely eliminating the disadvantages of aging and leakage of ordinary valve stem packing seals. It not only improves energy efficiency, increases production equipment safety, reduces maintenance costs and frequent maintenance, but also provides a clean and safe working environment. Widely used in industries such as petrochemicals, chemical fiber textiles, plastic papermaking, power steel, printing and dyeing rubber, food, etc.


2、 Structural features:
1. The product structure is reasonable, the sealing is reliable, and the double sturdy and durable corrugated pipe sealing design (corrugated pipe+packing) ensures zero leakage of the valve stem. No fluid loss, improving factory equipment safety. And comply with international sealing standards.
2. Sealing surface welding with Co based hard alloy, wear-resistant, corrosion-resistant, good friction resistance, and long service life
3. The valve stem undergoes quenching and surface nitriding treatment, exhibiting excellent corrosion resistance and friction resistance; Valve stem lifting position indication, more intuitive

Drive Type manual
electric
design standards DIN3356
structural length DIN3202
flange connection DIN2543-2545
Testing and Inspection DIN3230


3、 Product performance specifications:

Nominal pressure (MPa) Shell test pressure (MPa) Sealing test pressure (MPa) Applicable temperature (℃)
1.6 2.4 1.76
≤350℃
2.5 3.75 2.75
4.0 6.0 4.4
6.4 9.6 7.04

Note: The series valve connection flange can be designed and manufactured according to user requirements

4、 Material of parts:

Part Name valve body valve cover valve stem valve disc sealing surface filler
WCB WCB WCB 13Cr 2Cr13 2Cr13 flexible graphite
STL
304 CF8 CF8 304 304 304 flexible graphite
STL PTFE
316 CF8M CF8M 316 316 316 flexible graphite
STL PTFE
304L CF3 CF3 316 304L 304L flexible graphite
STL PTFE
316L CF3M CF3M 316 316L 316L flexible graphite
STL PTFE

5、 Specifications, dimensions, and weight:

model WJ41-16
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

model WJ41-25
pressure rating PN25
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 130 130 130 130 150 150 180 180 200 200 400 450 450 500 450
Weight (Kg) 4 4.5 5 7 9.5 13 19 24 43 57 95 168 300 510 680

model WJ41-40
pressure rating PN40
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 8 10 13.5 20 25 45 60 98 171 340 580 780
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