250C Submersible Valve, Metal Seat

Kitz SCT KDK series product.

250C Submersible Valve, Metal Seat

Kitz SCT's all-metal KDK Valve Series is fully submersible up to 250°C. The valves function with minimal drop in Cv at maximum temperature, making them ideal to use where thermal uniformity is crucial.

Product Details

Specifications
SizeKD4K (1/4")KD8K (1/2")
CvRoom Temperature0.250.7
250°C (Reference Value)0.230.5
250°C Internal Vacuum (Reference Value)0.20.35
Maximum Operating Pressure142psig (0.98MPa(G))
Wetted Area Volume0.083in3 (1.36cm3)0.447in3 (7.3cm3)
Straight flow, CVC male, OPEN state
Fluid Temperature20ºC~250ºC
Leak RatesAcross the Seat He Leak Test Rates≤ 3×10-9 sccs (≤ 3×10-10Pa·m3/sec)
Inboard He Leak Test Rates≤ 3×10-9 sccs (≤ 3×10-10Pa·m3/sec)
Actuation Pressure 72~101psig (0.5~0.7MPa(G))
Cycle Life*50,000 cycles
*Test Condition / Seat material : PCTFE Gas : N2 Pressure : 0.98MPa
Product Grade
GradeEP
Body MaterialSUS316L
Surface Roughness≤ Rz 0.7 µm
≤ Ra 0.13 μm / 5 μin
PolishElectro Polished
CleaningDegreasing + Precision cleaning
PackagingDouble bagged package
PRODUCT CODE KEY
Model
Size
Operation
Valve Shape
Connection
Seat Material
Grade + Body Material
KD
4
K
C
S
-
V
M
-
EP-316L
KD - type diaphragm valve
4: 1/4"
6: 3/8"
8: 1/2"
K: High-temperature type
C: Normally closed
O: Normally open
S: Straight
A: Angle (Option)
B: Branch (Option)
V: CVC male
VF: CVC female
W: Butt weld
M: Metal
EP-316L: Electro Polished + SUS316L
*1

*1 For the grade and material, we handle EP-316L only