Check valve KM 9901 (Z35)

Application

Lift-type check valve KM 9901 (Z 35) is unidirectional valve designed to prevent from reverse flow of the service fluid. The direction of the fluid flow is marked with an arrow on the valve's body from the bottom to the top, i. e. under the disc. In case the fluid starts flowing back, the disc closes the check valve automatically. Check valve is not designed as conventional isolating valve. For temperatures from −60 °C to +550 °C.

Suitable for water, steam, gas, oil, crude oil, and other liquids and gases.

Approved for fluids in groups 1 (hazardous) and 2 according to 2014/68/EU.

Production range

• DN 50 – DN 400, PN 16 – PN 400

Characteristics

• unidirectional valve,
• lift-type,
• primary sealing: metal-metal.

Connection to piping

• flanged – EN, API

Compliance with standards

• EN 13709, EN 12516–1, EN 1092–1,
• EN 558–1 or not standardised,
• ČSN 13 3048.

Testing

• EN 12266–1, leakage rate A (rate C allowed)

Materials

• standard: S355J2, A350 LF2, 1.4541, 1.4571,
• upon request: P265GH, 1.7335, 1.5415 (16Mo3) and other.

Optional accessories, adjustments and services

• different face-to-face dimensions,
• adaptation of face form (Groove, Tongue, Spigot, Recess, O-ring groove, RTJ),
• special adjustments according to customer requests.