Check Valve
Swing and spring check valves to prevent reverse flow. Part numbers: NL-CK-050-S, NL-CK-100-S, NL-CK-200-W, NL-CK-100-SS. Search codes: NLCK050S, NLCK100S, NLCK200W, NLCK100SS.
Flow Control · Technical reference (not for purchase)
Check Valve
Swing and spring check valves to prevent reverse flow.
Northline pages are a fictional non-transactional catalog for SearchUs demos. Specs are illustrative.
Part numbers
Search a catalog number such as NL-CK-050-S or its compact code NLCK050S.
- NLCK050S NL-CK-050-S — 1/2" · Spring · 1 psi · Brass
- NLCK100S NL-CK-100-S — 1" · Spring · 1 psi · Brass
- NLCK200W NL-CK-200-W — 2" · Swing · — · Cast iron
- NLCK100SS NL-CK-100-SS — 1" · Spring · 2 psi · 316SS
Variation matrix
| Part | Size | Style | Cracking | Material |
|---|---|---|---|---|
| NL-CK-050-S | 1/2" | Spring | 1 psi | Brass |
| NL-CK-100-S | 1" | Spring | 1 psi | Brass |
| NL-CK-200-W | 2" | Swing | — | Cast iron |
| NL-CK-100-SS | 1" | Spring | 2 psi | 316SS |
Selection notes
Match media compatibility, pressure, temperature, and end connections before specifying a part number. Download related handbooks from Resources.