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UHP Diaphragm Y-Valve - Manual or Air-Actuated (Vacuum to 250 psig) - 955Y Series
Brand: Parker HannifinThe 955Y Series Diaphragm Valve (Y block body) combines two high flow capacity valves into a single compact body simplifying the integration of a purge system into a gas manifold while improving the effectiveness of the purge process.
Specifications
Brand
Flow Capacity (Cᵥ)
- Cᵥ 0.35 (Purge Valve)
- Cᵥ 0.43 (Process Valve)
Weight
- 0.98 kg (2.11 lbs)
Diaphragm Material
- Elgiloy, Equivalent
Cap Material
- 17-4 Stainless Steel
External Leak Rate
- ≤ 2 x 10⁻¹⁰ Scc/sec He
Maximum Working Temperature
- 66°C (150°F)
Burst Pressure
- 750 psig (52 barg)
Proof Pressure
- 375 psig (26 barg)
Maximum Inlet Pressure
- 250 psig / 17.22 barg (NC, M)
- 125 psig / 8.62 barg (NO)
Seat Material
- PCTFE (Standard), PEEK, Vespel
Housing Material
- Anodized Aluminum
Surface Finish
- 5 Micro inch Ra
- 10 Micro inch Ra (Standard)
Minimum Working Temperature
- -40°C (-40°F)
Air Inlet Size
- ⅛”-27 NPT
Nut Material
- 17-4 Stainless Steel
Internal Leak Rate
- ≤ 4 x 10⁻⁹ Scc/sec He
Internal Volume (cc)
- 4.49 cc
Body Material
- VeriClean 316L Stainless Steel
Actuation Pressure
- 75 psig (5 barg) Nominal