York brass non-return valve
A York brass non-return valve is a flow control device designed to allow fluid to pass in only one direction and automatically prevent backflow, made of brass and with a York type connection, commonly used in refrigeration and air conditioning systems.
Applications: compressors, HVAC installations, refrigeration and air conditioning systems.
Main features:
A York brass check valve is a one-way valve that operates automatically without external actuation. It allows fluid to flow only in the intended direction and closes when the pressure drops or the flow reverses, preventing unwanted backflow that could damage equipment or disrupt system operation.
The brass body provides good mechanical, thermal and corrosion resistance, while the York connection (usually a flare type used in refrigeration) ensures a leak-proof, detachable and reliable joint.
| Code | Extent | DN | D | L | t | SW | PN | Weight (g) |
| 15015016 | 1/2" | 14.5 | 33 | 43 | 9 | 24 | 16 | 100 |
| 15015018 | 3/4" | 20 | 36.5 | 45.5 | 10 | 30 | 16 | 140 |
| 15015020 | 1" | 27.5 | 48 | 56 | 12 | 37.5 | 16 | 240 |
| 15015022 | 1-1/4" | 37 | 59 | 61 | 12 | 46 | 10 | 330 |
| 15015024 | 1-1/2" | 42 | 68 | 68 | 12 | 53 | 10 | 500 |
| 15015026 | 2" | 54 | 81 | 77 | 15 | 65 | 10 | 700 |
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