Figure 19001
- Trunnion mounted
- Side entry
- Metal seat
- Full and Reduced Bore
- Bidirectional
- Single piston effect (DBB & Self-relieving seat)
- Anti blow out stem
- Drain and vent connections
- Zero leak
Seat design
- Double piston effect downstream & upstream-DIB I
- Double piston effect downstream & single piston effect upstream-DIB II
- Secondary Soft Seat
Stem
- Stem sealing injector
- Thermic extension, stem or bonnet extension
- Design according to fugitive emissions
- Locking device
Others
- Overlay on seat area or on all wetted parts
- Heating jacket
- Flanged End: ASME B16.5 / GOST 12815-80 / EN 1092.1
- Socket Weld End: ASME B16.11
- **integral nipples and available
- Butt Weld End: ASME B16.25
- **integral nipples and available
- Threaded NPT End: ASME B1.20.1
- Threaded BSPP OR BSPT: BS21
- Others
- Normative: ANSI / DIN
- Design: API 6D / ISO 14313
- Face to Face: ASME B16.10 / EN 558.1 Serie 27
- Top Flange: ISO 5211
- Press-Temp Ratings & Thickness: ASME B16.34
- Test: API 6D / API 598 / EN 12266-1
- Pressure Equipment Directive: PED 2014/68/EU Mod. H1
- Equipment Directive: ATEX 94/9/EC
- Fire Safe: API 6FA / API 607 / ISO 10497-2
- Fugitive Emissions: Class”A” acc.to ISO 15484-2
- Safety integrity level: Sil 2 acc.to IEC 61508
- Material: NACE MR0175 Lastest Edition
- Certification:EN 10204 type 3.1, (3.2 upon request)
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