Cast Steel Globe Double Block & Bleed 280DBB PN16 – Sizes 50mm to 250mm

FIG. 640 PN16 BLEED FLANGE
SIZE 50 65 80 100 125 150 200 250
A 565 617 667 769 869 971 1123 1315
B 285 321 324 394 460 553 678 780
C 165 175 182 200 217 235 252 285
D 311 337 362 413 463 514 590 686
E 200 200 200 250 315 400 530 530
F 50 50 50 50 50 50 50 50
G 165 185 235 270 270 305 340 405
H 150 150 160 160 160 170 180 200
J M16 M16 M16 M16 M16 M20 M20 M24
WGT.(kg) 50 65 80 100 125 150 200 250
280 DBB 55 72 87 133 206 293 455 711
640 9 10 11 15 20 23 25 31

ALL DIMENSIONS ARE IN mm. WEIGHTS ARE APPROXIMATE.

THESE VALVES SHOULD BE INSTALLED WITH THE VALVE HEAD VERTICAL

                           FIG. 640 PN16 BLEED FLANGE WITH DRAIN OUTLET   (SUPPLIED WITH BLANKING FLANGE)

 

The Fig. 640 Bleed flange is an approved seal welded assembly, consisting of the body, extension tube and Ø15mm PN16-40 flange (or as specified by Customer) in certified carbon steel, B7 tie-rods with 2H nuts and 2 spiral wound graphite filled gaskets (suitable for use on steam).

15mm Fig. 280 PN40 rated Cast steel globe stop valve is available as a drain valve upon request, replacing the standard blanking flange.

FIG. 280 GLOBE VALVE DETAILS FOUND UNDER GLOBE STOP.

 

 

 

 

Double Block & Bleed unit c/w blanking flange and 15mm Globe valve used for end of line service.

Additional Fig. 640 Bleed flanges are available for fitting downstream from the Double Block & Bleed unit assembly to assist drainage of the system and to verify the closure of both of the double isolation valves or for end of line service (as shown)

Fig. 280 globe valves are supplied to PN16 rating. Valves can be supplied PN40 rated (refer to PN40 data sheet). Details of other flange ratings supplied upon request.