Double Flange Type Series S780/S781

26 S780,771 triple eccentric

Product Description

• Design Standard: API609
• Nominal Diameter: DN80-DN2000(3“-80“)
• Top Flange acc: ISO 5211
• Flange Connection: EN1092-1(PN20/PN50/PN100/PN150/PN250)/ASME B16.5/B16.47 (CL150/CL300/CL600/CL900/CL1500/CL2500)
• Temperature range: -46°C + 450°C
• Face to Face acc: API 609 CATEGORY B /EN558-1
• Test STD: API 598

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

Ni-Al Brz

Inconel, Titanium

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

UT testing/Radiography

Coating

Painting suitable for marine, offshore etc.

High specification sub-componets

Graphite material for packing

Fugitive emission material packing for option

Duplex,Inconel material for seat ring

Stellite 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,triple eccentric butterfly valves are engineered to meet the standard requirements of most project specifications, and a range of additional features and options make our valves suitable for even the most severe conditions. Low torque enables the most cost-effective actuation operations, all AFFCO triple eccentric butterfly valve models have been cycle tested to ensure good seating performance even after 100,000-200,000 times open and close.

Zero leakage in accordance with API598

Quick shut-off

Full pressure bi-directional sealing

Suitable for flow regulation

Inherent fire safe design

Multiple material available

Rotate with no friction

Fugitive emmision available

Low torque and on-off with no wear lead to long life

Interchangable seat and seat ring

Dimensions

DN H1 H L F K G W GearBox
80 110 228 114 34.5 43.5 145 150 AMQ-2+W150
100 132 273 127 39 52.5 213 200 AMQ-4+W200
125 157 315.5 140 48 69 269 250 AMQ-8+W250
150 169 318.5 140 48 69 269 250 AMQ-8+W250
200 191 361.5 152 52 84 290 300 AMQ-15+W300
250 220 392 165 52 84 290 300 AMQ-15+W300
300 265 465 178 50 96.5 339 500 AMQ-20+W500
350 287 575 190 73.5 137.5 408 500 AMQ-40+W500
400 322 600 216 73.5 137.5 408 500 AMQ-40+W500
450 353 610 222 73.5 137.5 408 500 AMQ-40+W500
500 395.5 680.5 229 71.5 180 467 500 AMQ-120+W500
600 445 731 267 71.5 180 467 500 AMQ-120+W500
700 508 886 292 101 252.5 619 700 AMQ-160+W700
750 554 936 318 101 252.5 619 700 AMQ-240+W700
800 585.5 981 318 101 252.5 619 700 AMQ-240+W700
900 653 1046 330 101 252.5 619 700 AMQ-240+W700

CASE STUDIES

EXHIBITION – FLOWTECH 2024

CASE STUDIES

EXHIBITION – NEFTEGAZ 2024