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UHP Single Stage, Tied-Diaphragm Pressure Regulator (up to 3, 500 psig Inlet) - 959W & NPR959W Series
Brand: Parker Hannifin959W Series Tied-diaphragm Pressure Regulators are designed for high-pressure UHP applications.
The series offers excellent reliability and leak integrity, and is ideal for use in gas cabinets, valve manifold boxes, and upstream process lines.
Specifications
Brand
Body Material
- 316L Stainless Steel
Burst Pressure
- 10,500 psig (724 barg)
Cap Material
- Nickel-Plated Brass
Compression Member Material
- 316L Stainless Steel Standard, Hastelloy C-22
Diaphragm Material
- 316L Stainless Steel Standard, Hastelloy C-22
External Leak Rate
- < 2 x 10-10 Scc/sec He
Flow Capacity (Cv)
- Cv 0.04 (Standard), Cv 0.2
Internal Leak Rate
- < 2 x 10-9 Scc/sec He
Internal Volume (cc)
- 5.41 cc without Fittings
Knob Material
- ABS (Black) (959W), ABS (White) (NPR959W)
Maximum Inlet Pressure (barg)
- Cv 0.04 240 barg, Cv 0.2 86 barg
Maximum Inlet Pressure (psig)
- Cv 0.04 3,500 psig, Cv 0.2 1,250 psig
Maximum Working Temperature (°C)
- 65° C
Maximum Working Temperature (°F)
- 150° F
Minimum Working Temperature (°C)
- -40° C
Minimum Working Temperature (°F)
- -40° F
Nut Material
- 316L Stainless Steel
Outlet Pressure
- 1-30 psig (2 barg), 3-100 psig (7 barg), 5-150 psig (10.3 barg) (959W),-25” Hg - 0-30 psig (NPR959W)
Poppet Material
- 316L Stainless Steel Standard, Hastelloy C-22
Poppet Screen Material
- Hastelloy C-22
Poppet Spring Material
- 316L Stainless Steel Standard, Inconel
Proof Pressure
- 5,250 psig (362 barg)
Seat Material
- PCTFE (Standard), Vespel
Surface Finish (Ra)
- 15-20 Micro inch Ra (Standard), 10 Micro inch Ra
Weight (kg)
- 0.9
Weight (Lbs)
- 2