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Wafer Type Two Shaft Ends Series 571

Product Description

• Design Standard: API609/EN593
• Nominal Diameter: DN40-DN600(1 ½”-24”)
• Top Flange acc: EN ISO 5211
• Flange Connection: EN1092(PN6-10-16) ASME B16.5(CL150) JIS B2239 & JISB2220 (JIS5K /10K /16K)
• Temperature range: -23 to + 200℃
• Face to Face acc: EN558-1 row 20

Material Scope

AFFCO valve believes high quality valve starts from high quality casting,forging and other raw materials. we have profound experience in compliance with stringent material standards including NORSOK and wide variety blue chip end user specifications covering both metallic and non-metallic materials.
Increasingly, serve upstream operation conditions demanding not only primary components, but also accessories like bolting, bearing ,O-ring, packing and actuation components. AFFCO valve can cater the needs of any project specifications together with our vast network of material supply chain.

Full material range

Ductile iron

Carbon steels

Stainless Steel

Duplex/Super Duplex

Ni-Al Brz

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

Radiography/UT testing

Coating

Nylon/PTFE etc coating

Painting suitable for marine etc environment

High specification sub-componets

NBR/EPDM/VITON/SILICON/PTFE/PFA material for seat

Brass/Bronze material for bearing

Coating(Nylon etc) to wide range of project requirement

Material standards

ASTM/EN/DIN/JIS/GB standard material for project requirement

Machining

Machining accuracy is controlled by high precision CNC machine

Surface roughness

Surface roughness can reach Ra0.2

Design Feature

AFFCO valve supplies a full range of butterfly valves, Compact design and streamlined disc design a high Kv/Cv values, low pressure loss and energy cost. The vulcanised bonded liner for longer lifetime, no corrosion between body and liner. Because of the limited number of parts our valves are maintenance friendly and easy in use.

Top Flange

According ISO 5211

Shaft

Centric one piece shaft system, 100% bi-directional tight shut off

Valve Body

Minimum GGG40 body

Available in several materials

Support bearing

Extra support bearing for lower valve torque

Disc

Streamlined centric disc to reduce pressure loss and lower energy costs available in several materials

Bearing bush

Bronze bearing bush vulcanised to the liner

No use of O-ring on the shatf

Liner

Vulcanised Lining bonded to the body, no corrosion between valve body and liner for:

Suitable for dry conditions
Longer life time
For end of line service
Low torque

Pin

Cylinderical pin

Stop plug

To seal bottom side of the valve and to guide stem/shatf

Dimensions

NPS ФE F B C D Top Flange
(ISO 5211)
Weight
Appr.(KG)
Key No-Size
1 1/2″ 11 25 61 113 33 F07 2.2kg
2″ 11 25 67 118 43 F07 2.4kg
2 1/2″ 11 25 74 126 46 F07 3.0kg
3″ 11 25 82 133 46 F07 3.8kg
4″ 11 25 100 147 52 F07 4.6kg
5″ 14 28 112 160 56 F07 7.2kg
6″ 14 28 134 180 56 F07 9.5kg
8″ 17 28 159 204 60 F07 13.5kg
10″ 22 30 195 245 68 F10 20.2kg
12″ 22 30 220 270 78 F10 29.6kg
14″ 27 29 282 315 78 F12 39kg
16″ 27 29 307 350 102 F12 70kg
18″ 36 38 352 375 114 F14 98kg
20″ 36 38 387 415 127 F14 128kg
22″ 36 38 420 480 154 F14 178kg
22″ 46 48 420 480 154 F14 185kg
24″ 46 48 452 465 154 F16 203kg
26″ 46 48 475 530 165 F16 281kg
28″ 70 110 502 555 165 F16 270kg 2-20x12x100
28″ 80 120 502 555 165 F25 320kg 2-22x14x110
32″ 80 120 557 620 190 F25 380kg 2-22x14x110
32″ 100 120 557 620 190 F25 430kg 2-28x16x110
36″ 90 120 622 675 203 F25 500kg 2-25x14x110
36″ 110 160 622 675 203 F25 550kg 2-28x16x140
40″ 90 120 672 740 216 F25 750kg 2-25x14x110
40″ 120 160 672 740 216 F25 825kg 2-32x18x140
44″ 105 120 800 756 254 F30 1021kg 2-28x16x110
44″ 125 160 800 756 254 F30 1120kg 2-32x18x140
48″ 110 160 875 824 254 F30 1250kg 2-28x16x140
48″ 130 160 875 824 254 F30 1370kg 2-32x18x140

CASE STUDIES

AFFCO in Marintec China 2023

CASE STUDIES

AFFCO Shanghai will take part in 2023 FFG & MTC