Type
Filter
ZRSK: Check valve
DN
Filter
0032: DN 32
0040: DN 40
0050: DN 50
0065: DN 65
0080: DN 80
0100: DN 100
0125: DN 125
0150: DN 150
0200: DN 200
0250: DN 250
0300: DN 300
0350: DN 350
0400: DN 400
Operating pressure
Filter
1: 6 bar
2: 10 bar
3: 16 bar
Connection type
Filter
1: PN 6 / flange EN 1092
2: PN 10 / flange EN 1092
3: PN 16 / flange EN 1092
D: ANSI B16.5, Class 150
Body material
Filter
37: 1.4408, investment casting
46: 1.4571
4W1: 1.4469, SUPERDUPLEX
5A0: 2.0975 / CC333G
Disc material
Filter
37: 1.4408
46: 1.4571
3HD: 1.0460, galvanised
4W1: 1.4469, SUPERDUPLEX
Liner material
Filter
2: NBR
4: FKM
5: PTFE
10: Steel
14: EPDM
18: EPDM (DVGW-Wasser, FDA certification)
Spring return
Filter
F0: Without return spring
F1: Spring 1.4571
F2: Spring Hastelloy
Manual override
Filter
OHNE
H: Manual override
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