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Ultra-High Purity (UHP) High-Pressure Diaphragm Valve - 945 Series
Brand: Parker HannifinThe 945 Series Diaphragm Valve provides excellent reliability and leak integrity, making it ideal for use in UHP applications.
Available in configurations with flow capacities up to 0.25 Cv and working pressures up to 3,500 psig.
Specifications
Brand
Actuation Pressure
- 75 psig (5 barg) Nominal
Air Inlet Size
- 1/8”-27 NPT
Body Material
- VeriClean 316L Stainless Steel
Burst Pressure
- 10,500 psig (724 barg) (AOPHP, I, L, M, S)375 psig (26 barg) (G)
Cap Material
- 17-4 Stainless Steel
Compression Member Material
- 316L Stainless Steel Standard, Hastelloy C-22
Diaphragm Material
- Elgiloy or Equivalent
External Leak Rate
- ≤ 2 x 10-10 Scc/sec He
Flow Capacity (Cv)
- Cv 0.25 (AOP, G, S, I)Cv 0.18 (Lever)
Housing Material
- Anodized Aluminum
Internal Leak Rate
- ≤ 1 x 10-9 Scc/sec He
Internal Volume (cc)
- 1.26
Maximum Inlet Pressure (psi)
- 3,500 psig (241 barg) (AOPHP, I, L, M, S)125 psig (8.6 barg) (G)
Maximum Working Temperature (°C)
- 66° C
Maximum Working Temperature (°F)
- 150° F
Minimum Inlet Pressure (psi)
- Vacuum
Minimum Working Temperature (°C)
- -40° C
Minimum Working Temperature (°F)
- -40° F
Nut Material
- 316L Stainless Steel
Proof Pressure
- 5,250 psig (362 barg) (AOPHP, I, L, M, S)188 psig (13 barg) (G)
Seat Material
- PCTFE (Standard), PEEK or Vespel
Surface Finish (Ra)
- 5 Micro inch Ra
Weight (kg)
- 0.42
Weight (Lbs)
- 0.9