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Cryogenic Double Eccentric Butterfly Valve Series 974/984

S984

Product Description

• Design Standard: API609
• Nominal Diameter: DN50-DN600 (2”-24”)
• Top Flange acc: EN ISO 5211
• Flange Connection: EN1092/ ASME B16.5 (PN10, PN16, Class150, Class300)
• Flange Connection Type: Flange / Lug
• Temperature range: -196 to + 200℃
• Face to Face acc: EN558/API609
• Test STD: BS6364/API598

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

Low 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

Fugitive emission material packing for option

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

Designed according to BS6364/SHELL 77/200

Quick shut-off

Extended bonnet to make sure reliable packing sealing performance

Fugitive emmision available

Full pressure bi-directional sealing

Interchangable seat

Fire safe design

Top entry and side entry are also for option

Low torque and long life

Testing according to BS6364/SHELL 77/200

Dimensions

DN H1 H L F K G W GearBox
50 105 575 108 34.5 43.5 213 150 Q200+W150
65 115 585 127 34.5 43.5 213 200 Q200+W150
80 130 600 114 34.5 43.5 145 150 Q200+W150
100 145 630 127 39 52.5 213 200 Q400+W200
125 150 700 140 48 69 269 250 Q800+W250
150 170 720 140 48 69 269 250 Q800+W250
200 220 780 152 52 84 290 300 Q1500+W300
250 245 865 165 52 84 290 300 Q1500+W300
300 290 950 178 50 96.5 339 500 Q2000+W500
350 325 1080 190 73.5 137.5 408 500 Q4000+W500
400 350 1120 216 73.5 137.5 408 500 Q4000+W500
450 385 1155 222 73.5 137.5 408 500 Q4000+W500
500 410 1215 229 71.5 180 467 500 Q12000+W500
600 488 1295 267 71.5 180 467 500 Q12000+W500

CASE STUDIES

AFFCO in Marintec China 2023

CASE STUDIES

AFFCO Shanghai will take part in 2023 FFG & MTC