CAST BELLOW SEAL Y- GLOBE VALVE, BUTT WELD ENDS

DN 15 - DN 300
300#
  C.S S.S Low temp.
T min. -29°C -29°C -29°C
T max. +425°C +538°C +345°C

Available on request :

  • Special Corrosion resistant materials for :
    Complete Valve, Bellows and Trim
  • Soft sealing and regulating disc, needle type disc.
  • Optional Actuator/Gear Operator
  • Optional valve with CE marking size above DN25.
  • Optional valve with High Pressure Ratings.



Component Materials
C.S S.S Low temp.
CBGL(Y) - B - CS CBGL(Y) - B - SS CBGL(Y) - B - LT
Body & Bonnet WCB CF8M / CF8 LCC / LCB / LC3
Plug WCB + HF CF8M / CF8 + HF LCC / LCB / LC3 + HF
Integral Seat WCB + HF CF8M / CF8 + HF LCC / LCB / LC3 + HF
Bellow SS316Ti / SS321 SS316Ti / SS321 SS316Ti / SS321
Top/Bottom
Bellow collar
SS316 / SS321 SS316 / SS321 SS316 / SS321
Stem SS410 SS316 / 304 SS304
Gland Bush SS410 SS316 / 304 SS304
Gland Flange Carbon Steel SS316 / 304 SS304
Guide Plate Carbon Steel SS316 / 304 SS304
Packings Graphite / PTFE
Yoke Sleeve SG Iron/NI Resist / 416*
Hand Wheel Cast Iron / MI*
Hand Wheel Nut Carbon Steel SS304 SS304
Gasket SPW SS304 / SS316 + Graphite
Yoke Nut SS410 SS304 SS304
Fastners A193 Gr.B7 / A194 Gr.2H A193 Gr.B8 / A194 Gr.8 A320 Gr.L7 / A194 Gr.7

* Available on request

Testing Pressure in bar (API 598) :

Materials WCB CF8M
/CF8
LCC
/LC3
LCB
HYDRO SHELL 77 75 78 72
SEAT 57 55 57 53
AIR SEAT 07 07 07 07

Dimensional Details :

DN L H
closed
ØD ØC Cv Weight
(approx.)
[mm] [mm] [mm] [mm]   [kgs]
15 152 238 150 9 7 5.5
20 178 260 150 12 10 6.0
25 203 330 150 16 15 7.0
40 229 355 200 25 50 12.0
50 267 410 200 30 69 17.0
65 292 455 250 9 106 22.0
80 318 505 300 12 149 33.0
100 356 575 300 16 241 44.0
150 444 725 350 23 482 95.0
200 559 920 450 25 942 165.0
250 622 1065 500 30 1497 300.0
300 711 1380 600 30 2138  

Cast Bellow Seal Y-type globe valve, with butt weld end acc. to ASME B 16.25, face to face as per ASME B16.10 and with ACME stem screw thread and grounded shaft. Multiple wall liquid contacted bellows made of stainless steel. Min. life cycle of Bellow tested for 10,000 cycles, metal back seat, safety stuffing box packing made of pure graphite/PTFE, Spiral wound bonnet gasket made of stainless steel with graphite or PTFE filler material, housed in a tongue and grooved flange.

Carbon steel : Body and Bonnet made of cast material WCB, seat hardfaced with stellite, disc with conical plug made of WCB, hardfaced with stellite.
Stainless steel : Body and Bonnet made of cast material CF8M/CF8, seat hardfaced with stellite, disc with conical plug made of CF8M/CF8, hardfaced with stellite.
Low temperature carbon steel : Body and Bonnet made of cast material LCC/LCB/LC3, seat hardfaced with stellite, disc with conical plug made of LCC/LCB/LC3, hardfaced with stellite.