Japan, Risyo Valve
Risyo Non-Return Valve Types Manual Valve
Made in Japan
Manufacturer: Risyo Valve Works Co., Ltd.
Product name: Non-Return Valve
Type
Lift type (up to 40A), swing type (from 50A)
Main materials handled
| Carbon steel | SCPH2/WCB, SFVC2A/A105 |
|---|---|
| Low alloy steel | SCPH21 / WC6, SCPH32 / WC9, F11 / SFVAF11A, F22 / SFVAF22B |
| stainless steel | SCS13A, SCS14A, SCS16A, SUS304, SUS316, SUS316L |
Stellite plating on seat
- For standard valves, both the valve body and the valve seat are plated with Stellite.
- Standard valves are tested with leakage = 0.
- Mitsubishi Stellite’s brand name was changed to Bishilite in April 2012.
General characteristics of each valve
| Y-type valve | Pressure loss ⇒ Medium Operating force ⇒ Large Opening/closing time ⇒ Medium |
|---|
