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Trunnion Mounted DBB Ball Valve Flange Type Series 122

Product Description

• Design Standard: API6D
• Nominal Diameter: DN50-DN600 (2”-24”)
• Top Flange acc: EN ISO 5211
• Flange Connection: ASME B16.5
• Face to Face acc: Manufacturer Standard
• Pressure Rating: Class150, Class300, CL600, CL900
• Seat Type: Soft Seat & Metal Seat
• Test STD: 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

Carbon steels

Stainless Steel

Duplex/Super Duplex

Ni-Al Brz

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

PTFE/RPTFE/PEEK/NYLON/DEVLON material for seat

Brass/Bronze/Stainless material for bearing

Fugitive emission material packing for option

NBR/EPDM/VITON/Lipseal for sealing

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, double block and bleed valve is a diverse product grouping,widely used in process lines or process to instrument interfaces for double isolation applications. The same design features that ensure reliability and long life in our floating and trunnion mounted ball valves are incorporated into our twin ball double block and bleed valve. AFFCO Valve offers a full range of configuration and material options to meet your application requirements.

Top Flange

According ISO 5211

Stem

Stem blowout proof design

With anti-static device

Centric one piece shaft system, 90 degree tight shut off

Available in several materials

Valve Body

Available in several materials

Support

Only for trunnion mounted type

Ball

Two ball with each 90 degree open and close in design

Available in several materials

Grease injector

Only for trunnion mounted ball valve seat and stem part

Available in SS materials

Seat

Self relief valve soft seat

Fire-proof design

Suitable for many conditions excpet high temperture

Suitable sealing size, longer servise life

Available in several materials

Lip seal design available

Dimensions

Class 150

DN D L H1 H2 Gear Box
50*40 152 330 100 115 Q200+C150
80*50 190 380 105 125 Q200+C150
100*80 229 420 126 160 Q200+C150
150*100 279 450 140 180 Q400+W200
200*150 343 695 175 225 Q800+W250
250*200 406 797 250 260 Q2000+W500
300*250 483 926 270 305 Q2000+W500
350*250 533 937 270 305 Q2000+W500
400*300 597 1080 310 360 Q3000+W500
450*350 635 1212 360 410 Q3000+W500
500*400 698 1400 400 450 Q4000+W500
600*500 813 1670 485 530 Q6500+W500

 

Class 300

DN D L H1 H2 Gear Box
50*40 165 345 100 120 Q200+C150
80*50 210 420 105 125 Q200+C150
100*80 254 465 126 160 Q200+C150
150*100 318 488 160 180 Q400+W200
200*150 381 714 190 225 Q800+W250
250*200 444 858 250 260 Q2000+W500
300*250 521 974 280 305 Q3000+W500
350*250 584 974 295 305 Q3000+W500
400*300 648 1130 325 360 Q3000+W500
450*350 711 1266 370 410 Q4000+W500
500*400 775 1460 410 450 Q4000+W500
600*500 914 1720 505 530 Q12000+W500

 

Class 600

DN D L H1 H2 Gear Box
50*40 165 378 105 125 Q200+C150
80*50 210 454 110 130 Q200+C150
100*80 273 540 140 170 Q400+W200
150*100 356 652 180 190 Q800+W250
200*150 419 818 210 230 Q2000+W500
250*200 408 1015 255 275 Q3000+W500
300*250 559 1152 300 350 Q4000+W500
350*250 603 1158 305 350 Q4000+W500
400*300 686 1310 350 400 Q4000+W500
450*350 743 1420 400 445 Q12000+W500
500*400 813 1553 440 490 Q12000+W500
600*500 940 1850 535 580 Q24000+W700

 

Class 900

DN D L H1 H2 Gear Box
50*40 216 450 110 140 Q200+C150
80*50 241 520 120 150 Q200+C150
100*80 292 610 146 180 Q400+W200
150*100 381 685 190 200 Q1500+W500
200*150 470 851 235 245 Q3000+W500
250*200 546 1114 280 300 Q4000+W500
300*250 610 1300 320 360 Q6500+W500
350*250 641 1320 320 360 Q8000+W700
400*300 705 1450 360 410 Q12000+W500
450*350 787 1620 410 460 Q16000+W700
500*400 857 1780 450 505 Q24000+W700
600*500 1041 1950 560 605 Q70000+W700

CASE STUDIES

AFFCO in Marintec China 2023

CASE STUDIES

AFFCO Shanghai will take part in 2023 FFG & MTC