Cryogenic Floating Ball Valve Series 173L

Product Description

• Design Standard: API6D
• Nominal Diameter: DN15-DN150 (1/2”-6”)
• Top Flange acc: ISO 5211
• Flange Connection: ASME B16.5 (Class150, Class300)
• Temperature range: -196 to + 200℃
• Test STD: BS6364/API6D

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




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


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

Sealing performance satisfy BS6364/SHELL 77/200

Quick shut-off

Extended bonnet to make sure reliable packing sealing performance

Fugitive emmision is available

Fire safe design

Top entry is available

Low torque and long life


Class 150

15 140 245 165
20 152 250 215
25 165 255 215
32 178 310 250
40 190 320 300
50 216 385 350


Class 300

15 140 245 165
20 152 250 215
25 165 255 215
32 178 310 250
40 190 320 300
50 216 385 350


AFFCO Shanghai will take part in 2023 FFG & MTC


AFFCO Mideast will take part in 2023 NAPEC & WETEX