Type
Filter
R90: Disco check valve, metal
DN
Filter
15: DN 15
20: DN 20
25: DN 25
32: DN 32
40: DN 40
50: DN 50
65: DN 65
80: DN 80
100: DN 100
125: DN 125
150: DN 150
200: DN 200
250: DN 250
300: DN 300
Operating pressure
Filter
2: 10 bar
3: 16 bar
5: 25 bar
6: 40 bar
Connection type
Filter
2: PN 10 / Flange EN 1092, FTF EN 558-1 series 49 (R90), series 16 (R91)
3: PN 16 / Flange EN 1092, FTF EN 558-1 series 49 (R90), series 16 (R91)
5: PN 25 / Flange EN 1092, FTF EN 558-1 series 49 (R90), series 16 (R91)
6: PN 40 / Flange EN 1092, FTF EN 558-1 series 49 (R90), series 16 (R91)
D: ANSI B16.5, Class 150, FTF EN 558-1 series 49 (R90), series 16 (R91)
M: ANSI B16.5, Class 300, FTF EN 558-1 series 49 (R90), series 16 (R91)
Body material
Filter
4: 1.4408 / ASTM A351 / CF8M
5: 1.0619 / ASTM A216 / WCB
D: 1.4469, SUPERDUPLEX / ASTM A890 Grade 5A
G: CC333G / 2.0975 / C954
Material shut-off element
Filter
4: 1.4408 / ASTM A351 / CF8M
D: 1.4469, SUPERDUPLEX / ASTM A890 Grade 5A
G: CC333G / 2.0975 / C954
Material guide element
Filter
4: 1.4408 / ASTM A351 / CF8M
D: 1.4469, SUPERDUPLEX / ASTM A890 Grade 5A
G: CC333G / 2.0975 / C954
Liner material
Filter
0: Shut-off element, sealing
2: EPDM (DVGW-Wasser, FDA certification)
5: PTFE
E: EPDM
N: NBR
V: FKM
Spring material
Filter
6: 1.4571
7: HASTELLOY C-4 / 2.4610
Execution type
Filter
OHNE
0101: Media wetted area cleaned to ensure suitability for paint applications, parts sealed in plastic bag
0107: Valve free of oil and grease, cleaned on the media side and packed in a PE bag
Special version
Filter
OHNE
X: ATEX certification