High Temperature Triple Eccentric Butterfly Valve Series 760H / 770H / 780H / 790H

Product Description

• Design Standard: API609

• Nominal Diameter: DN80-DN1200 (3”-48”)

• Top Flange acc: ISO 5211

• Flange Connection: EN1092/ ASME B16.5 (PN10,PN16, Class150, Class300)

• Flange Connection Type: Wafer / Lug / Flange

• Temperature range: -29 to +670℃

• Face to Face acc: EN558/API609

• 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

High Temperature Carbon steels

Stainless Steel

Casting and forging grades

According to your project specifications

Non-destructive testing

PMI

MPE

DPI/LPE

UT testing/Radiography

X ray /gamma ray

High specification sub-componets

High temperature bearing.etc

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, high temperature 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 High temperature valve models have been cycle tested to ensure good seating performance even after 100,000–200,000 times open and close.

Maximum temperature 815°C

Quick shut-off

Special bearing material for high temperature service

Multiple materials are available according to service conditions

Extended bonnet

Interchangable seat

Low torque and long life

Wafer, lug, double flange, butt-welding body style for options

Dimensions

DN	H1	H	L	F	K	G	W	GearBox
80	110	590	48	34.5	43.5	145	150	Q200+W150
100	132	620	55	39	52.5	213	200	Q400+W200
125	157	650	58	48	69	269	250	Q800+W250
150	169	710	58	48	69	269	250	Q800+W250
200	191	775	65	52	84	290	300	Q1500+W300
250	220	865	72	52	84	290	300	Q1500+W300
300	266	942	81	50	96.5	339	500	Q2000+W500
350	287	1077	94	73.5	137.5	408	500	Q4000+W500
400	325	1120	104	73.5	137.5	408	500	Q4000+W500
450	353	1155	114	73.5	137.5	408	500	Q4000+W500
500	398	1215	129	71.5	180	467	500	Q12000+W500
600	450	1295	154	71.5	180	467	500	Q12000+W500