3-Way Flanged Type Double-Blade Air Sealing Series 452-3

Product Description

• Design Standard: The Manufacturer’s Standard
• Nominal Diameter: DN250-DN2000(10”-80”)
• Top Flange acc: ISO 5211
• Flange Connection: EN1092-1/DIN 86044/JIS B 2220/JIS F7805/CB/T3766/GB/T9119/GB/T2506
• Temperature range: 100°C-650°C
• Face to Face acc: The Manufacturer’s Standard
• Pressure Rating: 0.1 bar

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

Carbon steels

Stainless Steel

Duplex/Super Duplex

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

X ray /gamma ray

Coating

Painting suitable for marine and high temperature etc environment

High specification sub-componets

Graphite material for packing

Duplex,stainless material for seat

Material standards

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

Machining

Accuracy is ensured by high precision CNC machine and measured by CMM

Surface roughness

Surface roughness can reach Ra0.2

Design Feature

AFFCO valve, damper valve range offers space and weight saving quarter-turn isolation for applications that does not require an unobstructed bore. Our design offers zero leakage shut off, with material and seating configurations. We provide reliable service and long life in critical applications. In place across the range, you can be assured of outstanding reliability and sealing performance through design life of your asset.

Zero leakage

Optional material available for different working condition

Special blade and compact design, quick open & close

Optional flange connection & Operator

Reliable bearing and bearing bush design prolong service life of shaft

Easy installation & Maintenance

Unique dual-blade solution, controls deformation of blade effectively

Heat-resistant and anti-corrosion

Low torque, long life

Widely applied in flue gas & scrucbber system

Excellent regulated performance, flow curve tending to straight line

Dimensions

DN H1 H H2 L1 L2 L
250 400 860 420 540 778 815
350 415 1023 446 615 950 915
400 508 1063 446 615 973 915
600 593 1375 504 755 1205 1205
700 671 1530 530 815 1325 1325
900 896 1875 636 930 1550 1555
1000 965 1985 636 1055 1735 1805
1100 1015 2075 636 1105 1865 1905
1200 1210 2506 665 1185 1999 2065
1300 1280 2606 665 1235 2070 2165
1500 1465 3100 695 1355 2315 2355
1600 1595 3301 695 1495 2567 2455
1700 1665 3301 695 1543 2657 2555

CASE STUDIES

Affco’s largest plug valves aid desalination project in Saudi Arabia

CASE STUDIES

Hundreds of Ball Valves for the FPSO Customer in the Middle East