Specifications

Nozzle check valve:
1. Inherent non-slam characteristic
2. Nozzle type & aerodynamic design
3. DN50~DN1200, PN10/16/25

Nozzle Check Valve (Non-Slam) features:
1. Nozzle type & aerodynamic design
2. Inherent non-slam characteristic
Quick closure, less than 0.15 seconds movement from fully
open to fully close.
3. Short stroke
4. Low pressure loss
5. Metal to metal sealing for tight shut-off with 100% reliability;
rubber sealing also available for NRVZ
6. No weak link or soft parts to cause premature valve failure
7. Compact design, short installation length
8. Installed in horizontal, vertical or other position.
9. Longer life without maintenance
10. Flange drilling according to BS 4504, Section3.2, ANSI B16.1
class 125, ANSI B16.2 class250, and DIN 2532 PN10, DIN
2533 PN16, DIN 2534 PN25, JIS 2212/2213/2214.
11. complies with API 598 and BS 6755, part1, 1986.

Pressure rating	PN10	PN16	PN25(only for NRVZ)
Max. working pressure (MPa)	1	1.6	2.5
Seat pressure (MPa)	1.1	1.76	2.75
Body pressure (MPa)	1.5	2.4	3.75
Min. open pressure (MPa)	0.002
Working temperature	0-120
Medium	Clean water, air, oil