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Diaphragm Valve Series

UHP Products

High Pressure Manual Diaphragm Valve (HPR)

■ Spring type.
■ HPL series diaphragm valves require just one-quarter turn of The handle to actuate the valve from fully open to closed.
■ Position indicator ring provides visual confirmation that the Valve is fully open or closed.
■ Splined handle and actuator prevent handle slippage and Assure positive valve actuator.
■ Various end connections are available (MFS Male, MFS Female, Lok) 
06-High Pressure Manual Diaphragm Valve (SPRING TYPE).gif
Major Specifications
Size 1/4″
Cv Value 0.3
Orifice Size 4mm
Max. Working Pressure (G.) 24.1MPa
Max. Working Temp. -73℃ ~ 80℃
Internal Leakage Allowance (He)
Test Pressure ≤ 1×10-2 Torr
Holding Time ≥ 30 sec.
1x10-10Pa · m3/s
External Leakage Allowance (He)
Test Pressure ≤ 1×10-2 Torr
Holding Time ≥ 1 min.
1x10-10Pa · m3/s
Particle Inspection (EP only)
Pressure : 60~80psi N2 Gas
Sample Volume : 1CFM
0.1㎛ and Larger
No count
Product Grade
GRADE AP BA EP
Inner
Surface
Roughness
Ry ≤ 25㎛
Cut off Length : 2.5mm
Measuring Length : 12.5mm
Ry ≤ 3.0㎛
10 μinch Ra(Avg.)
Cut off Length : 0.8mm
Measuring Length : 4mm
Ry ≤ 0.7㎛
5 μinch Ra(Avg.)
Cut off Length : 0.25mm
Measuring Length : 1.25mm
Polishing Machining Finish Machining Finish Electro Polishing Finish
Material
NO. NAME MATERIAL
1 Body 316L Stainless Steel
316L Stainless Steel Remelted
2 Seat PCTFE
3 Diaphragm Ni-Co Alloy
4 Handle ALUMINUM
Ordering Number
MATERIAL SIZE HANDLE CONNECTION GRADE
S 316L Stainless Steel 4 1/4″ HPR ROUND HANDLE VM MFS Male AP AP Grade
D 316L Stainless Steel Remelted - - HPL LEVER HANDLE VF MFS Female BLANK BA Grade
- - - - - - SW Lok P EP Grade
- - - - - - - - - -

ROUND HANDLE CONNECTION SIZE A B C D E F

MFS Male 1/4″ 58.4 11.4 76 48 26.9 25.4

MFS Female 1/4″ 70.1 11.4 76 48 26.9 25.4

Lok 1/4″ 68.2 11.4 76 48 26.9 25.4