CAST BELLOW SEAL Y- GLOBE VALVE, BUTT WELD ENDS

DN 15 - DN 250
300# (ASME B16.34)
  904L CG3M CF3M
Tmin. Pr. Max -29°C / 51.3bar -29°C / 49.6bar -29°C / 49.6bar
T max. Pr. Max +375°C/28.2bar +455°C / 28.7bar +455°C / 28.7bar

Available on request :

  • Special Corrosion resistant materials for :
    Complete Valve, Bellows - Trim
  • Regulating disc, needle type disc.
  • Optional Actuator/Gear Operator
  • Optional valve with CE marking size above DN25.
  • Optional Socket weld ends



Component Materials
CCBGL(Y) - B - 904/904L CCBGL(Y) - B - CG3M / 317LMN CCBGL(Y) - B - CF3M
Body & Bonnet 904/904L CG3M / 317LMN CF3M
Plug 904/904L + HF CG3M / 317L / 317LMN + HF CF3M / 316L + HF
Integral Seat 904/904L + HF 317LMN / CG3M + HF CF3M + HF
Bellow HASTELLOY -C276 HASTELLOY -C276 HASTELLOY -C276
Top/Bottom
Bellow collar
HASTELLOY -C276 HASTELLOY -C276 HASTELLOY -C276
Stem 904/904L SS 317 / 317LMN SS316L
Gland Bush 904/904L SS 317L/CG3M SS 3316L / CF3M
Gland Flange SS304 / CF8 SS304 / CF8 SS304 / CF8
Guide Plate SS304 / CF8 SS304 / CF8 SS304 / CF8
Packings Graphite
Yoke Sleeve ASTM - A439 Gr. D2
Hand Wheel SG iron / ASTM - A 216 Gr. WCB
Hand Wheel Nut SS304 SS304 SS304
Gasket SPW SS 904 / 904L + Graphite SPW SS 317L + Graphite SPW SS 316L + Graphite
Yoke Nut SS304 SS304 SS304
Fastener A193 Gr.B8 / A194 Gr.8 A193 Gr.B8 / A194 Gr.8 A193 Gr.B8 / A194 Gr.8

* Available on request

Testing Pressure in bar (API 598) :

Materials 904L CG3M CF3M
HYDRO SHELL 77 75 75
SEAT 57 55 55
AIR SEAT 07 07 07

Dimensional Details :

DN L H
closed
ØD Cv (approx) Weight
(approx.)
[mm] [mm] [mm] [kgs]
15 152 245 150 7 8
20 178 260 150 10 9
25 203 265 150 15 10
40 229 310 200 50 12
50 267 340 200 69 17
65 292 450 250 106 22
80 318 475 300 149 33
100 356 605 300 241 45
150 444 760 350 590 95
200 559 880 450 942 165
250 622 975 500 1497 300

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 Hastelloy C 276.. Min. life cycle of Bellow tested for 10,000 cycles, metal back seat, safety stuffing box packing made of pure graphite, Spiral wound bonnet gasket made of stainless steel with graphite or PTFE filler material, housed in a tongue and grooved flange.

Stainless steel : Body and Bonnet made of cast material 904/904L,CC3M / 317LMN & CF3M, seat hardfaced with stellite, disc with conical and 360° rotating plug made of 904/904L,CC3M /317L/ 317LMN & CF3M / 316L, hardfaced with stellite.