- Design standard
- API 602
- Connection standard
- EN 1092-1
- Pressure system
- PN
- Pressure rating
- PN40
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API 602 · FORGED CONSTRUCTION
F321 forged raised face flanged check valve - PN40
F321 body PN40 Trim 1
F321 forged check valve with raised face flanged ends and Trim 1 internals. The catalogue record lists API 602 as the design standard and EN 1092-1 as the connection standard.
CONNECTIONRaised face flanged
SIZESDN15–DN50
LEAD TIMEChecking…
STANDARDEN 1092-1
Construction fixed; internals selected per requirement.
Pressure rating, body and design construction belong to this product. Trim or ball/seat and nominal size are selected for the RFQ line and preliminary datasheet.
- Trim
- Trim 1
- Seat sealing surface
- AISI 410 stainless steel (13Cr)
- Piston / disc sealing surface
- AISI 410 stainless steel (13Cr)
- Body
- A182-F321
- Piston / disc
- A182-F321
- Spring
- SS304
- Gasket
- SS304 + graphite
- Bonnet / cover
- A182-F321
- Bolting
- A193-B8
Typical applications for this body material:
- Chemical processing
- Cryogenic service
- Food & beverage
- HVAC & refrigeration
- Marine & offshore
- Oil & gas
- Petrochemical
- Pharmaceutical
Each nominal size keeps this product’s fixed construction and has its own RFQ product code. Face-to-face standard and length are retained as part of the RFQ line. The remaining dimensions use the available reference data from the preliminary datasheet. All dimensions remain subject to quotation confirmation.
Compare EN 558-1 series.
Open a series tab to see its exact length and DN coverage. Select the same series when adding the valve to RFQ or generating documents.
SELECTED VARIANTEN 558-1 series 14
6 of 6 product sizes have an available length.
| DN | Face-to-face L (mm) | Availability |
|---|---|---|
| DN15 | 115 | Available |
| DN20 | 120 | Available |
| DN25 | 125 | Available |
| DN32 | 130 | Available |
| DN40 | 140 | Available |
| DN50 | 150 | Available |
| DN | Face-to-face length, L (mm) | Height from flow centreline, H (mm) | Port bore diameter, Ød (mm) | Weight (kg) | Flange outside diameter, OD (mm) | Flange thickness, t (mm) | Raised-face height (mm) | Bolt-circle diameter, BC (mm) | Bolt holes (qty) | Bolt-hole diameter (mm) | RFQ product code |
|---|---|---|---|---|---|---|---|---|---|---|---|
| DN15 | — | 58 | 10.5 | — | 95 | 14 | 2 | 65 | 4 | 14 | FF602-CHK-D15-P40-RF-F321-T1 |
| DN20 | — | 58 | 13 | — | 105 | 14 | 2 | 75 | 4 | 14 | FF602-CHK-D20-P40-RF-F321-T1 |
| DN25 | 160 | 72.4 | 17 | 5.35 | 115 | 16 | 2 | 85 | 4 | 14 | FF602-CHK-D25-P40-RF-F321-T1 |
| DN32 | — | 84 | 23 | — | 140 | 16 | 2 | 100 | 4 | 18 | FF602-CHK-D32-P40-RF-F321-T1 |
| DN40 | — | 92 | 28 | — | 150 | 16 | 2 | 110 | 4 | 18 | FF602-CHK-D40-P40-RF-F321-T1 |
| DN50 | — | 112 | 36 | — | 165 | 20 | 2 | 125 | 4 | 18 | FF602-CHK-D50-P40-RF-F321-T1 |