Double Flange Type Series S780/S781

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

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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

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