
In-line non-return valve made of stainless steel (AISI 304 or AISI 316),
spring-loaded and reinforced welding equipped with FPM seal; check valve suitable for use with
compressed air or vacuum in non-heavy-duty applications. Threaded
female gas connections according to UNI ISO 228/1. Surface treatment:
degreasing, pickling and electropolishing.
The IDRJA/OR check valve, available in sizes from 3/4" to 1" 1/4, is generally used in civil and industrial
hydraulic systems in the outlet position where it is necessary to avoid
fluid return or compressed air and works at a nominal working pressure (PN) of 16 bar.
BUY MODEL VARIANTS
In this section you will find all the variants of this model in the catalog: you can use the filters below to make your search more specific. When you have identified the variant you need, specify the quantity and use the button to add it to your Shopping List.Manufacturing process: pressed stainless steel
Surface treatment: degreasing, pickling and electropolishing
Flow control disc: stainless steel Aisi 316 with reinforced welding between guiding pin and disc
Seal ring: FPM
Threaded ends: female according to UNI ISO 228/1
TIG weldings: without additional filling material
Opening pressure: Min. 0,025 – Max. 0,035 bar
Hydraulic test on the seal ring: 0.2 bar
Nominal working pressure: 16 bar
Working temperature: -20°C – +150°C
Certifications: NSF/ANSI 61 (only version Aisi 316)

Stainless Steel Aisi 304 | Stainless Steel Aisi 316 | ||
---|---|---|---|
1 | Outlet end | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
2 | Valve body | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
3 | Guide bush | PTFE | PTFE |
4 | Flow control disc guide | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
5 | Inlet end | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
6 | Spring | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
7 | Flow control disc | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
8 | Seal ring housing | 1.4301 ⁄ 1.4304 EN 10088 | 1.4401 ⁄ 1.4404 EN 10088 |
9 | Seal ring | FPM | FPM |

A | B | C | D | Weight in gr. | ||
---|---|---|---|---|---|---|
900012R | IDRJA CHECK VALVE 3/4" 304/FPM REINF.PIN | 30 | 67 | 44 | 18,3 | 129 |
900402R | IDRJA CHECK VALVE 3/4" 316/FPM REIF.PIN | 30 | 67 | 44 | 18,3 | 129 |
900017R | IDRJA CHECK VALVE 1" 304/FPM REINFOR.PIN | 35,8 | 83 | 53 | 23,4 | 191 |
900412R | IDRJA CHECK VALVE 1" 316/FPM REIF.PIN | 35,8 | 83 | 53 | 23,4 | 191 |
900022R | IDRJA CHECK VALVE 1"1/4 304/FPM REIN.PIN | 45 | 97 | 66 | 31,4 | 281 |
900422R | IDRJA CHECK VALVE 1"1/4 316/FPM REINF. P | 45 | 97 | 66 | 31,4 | 281 |

