API 623 DIN 3356 Bellow Seal Globe Valve DN40 - DN300
API 623 BELLOW-SEAL GLOBE VALVES
Product Range:
Pressure: ASME CLASSES 150 & 300
Body Material: CAST CARBON, STAINLESS STEEL OR ALLOY STEE
Connection: BOLTED BONNET,
DESIGN FEATURES:
•Standard trim is API trim 12 with 316Ti bellows.
•Each valve is shell, seat and backseat pressure tested per industry standard API 598.
•Other Bellows material options are available. Bellows are hydro-formed rather than welded.
•Each valve has a unique certification number that is traceable to the valve certification sheet which includes MTR data, pressure test, inspection result and certificate of conformance.
•Other available options as follows:
• Alternate valve materials such as chrome and stainless steel alloys
• Operation : Gear, motor, and cylinder actuators available
• Alternate trim materials
• Bypass, drain and other auxiliary
STANDARD MATERIALS (Other materials available)
| PART | MATERIALS | |
| Body | A216 Gr. WCB | A351 Gr. CF8M (1) |
| Bonnet | A216 Gr. WCB | A351 Gr. CF8M |
| Disc |
A105 or A216 WCB + 316 Faced |
A351 Gr. CF8M |
| Disc Nut | SST 316 | |
| Seat Ring |
A105 or A216 WCB + Stellite 6 Faced |
A351 Gr.CF8M + Stellite 6 Faced |
| Stem | SST 316 | |
| Stem Bushing | A 439 Ductile NI-Resist Gr. D2 | |
| Stem Bushing Set Screw | Steel | Series 300 SST |
| Bellows | 316Ti | |
| Gland Flange | Carbon Steel | A351 Gr. CF8M |
| Eye Bolt | A193 Gr. B7 | Series 300 SST |
| Eye Bolt Nut | A194 Gr. 2H | A194 Gr.8 |
| Groove Pin | Steel | SST 316 |
| Gland | Series 300 SST | |
| Packing | Graphite | PTFE |
| Packing Washer | SST 316 | SST 316 |
|
Gasket |
Class 150: Corrugated SST Encapsulated w/ Graphite Class 300: Spiral Wound SST with Graphite |
Class 150: PTFE
Class 300: Spiral Wound SST with PTFE |
| Back Seat | SST 316 | SST 316 |
| Hand Wheel | Malleable Iron or Steel | |
| Hand Wheel Nut | Malleable Iron or Steel | |
| Body / Bonnet Stud | A193 Gr. B7 | A193 Gr. B8 |
| Body / Bonnet Nut | A194 Gr. 2H | A194 Gr.8 |
| Identification Plate | Series 300 SST | |
(1) Weld end valve body A351 Gr. CF3M
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