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

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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