Back New Product Launch: FITOK Replaceable-Seat Diaphragm Valves
Introduction
FITOK proudly introduces DQX Series Replaceable-Seat Manual Diaphragm Valves and DPX Series Replaceable-Seat Pneumatic Diaphragm Valves. Designed upon the foundation of the DQ and DP series diaphragm valves, the DQX and DPX series introduce replaceable valve seats and diaphragms. These valves are ideal for applications requiring frequent valve maintenance and replacement, such as precursor containers and canisters. FITOK offers Replaceable-Seat Diaphragm Valves DQX/DPX Series featuring easy operation, long cycle life, and optimal sealing performance, facilitating cost savings for customers.
Features
- Easily replaceable valve seat, without need for special tools
- Valve seat assembly with perfectly symmetrical structure to eliminate need to distinguish the orientation of seats
- Actuator color coded for easy identification of replaceable-seat diaphragm valve
- Corresponding service kit available
Technical Data
| Series | DQX Series | DPX Series | |
| Actuator Type | Manual | Pneumatic | |
| Body Material | 316L, 316L VAR | ||
| Seat Material | PCTFE, PFA | ||
| Port Size | 1/4" to 3/8" or 6 mm to 8 mm | ||
| Flow Coefficient (Cv) | 0.3 | ||
| Orifice Size | 0.16" (4.1 mm) | ||
| Working Pressure | Vacuum to 250 psig (17.2 bar) | ||
| Working Temperature | PCTFE: -10 ~ 176 °F (-23 ~ 80 °C) PFA: -10 ~ 302 °F (-23 ~ 150 °C) |
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| Wetted Surface Roughness | Ra 5 μin. (0.13 μm) | ||
| Leak Rate (Helium) | Internal | ≤ 1×10-9 std cm3/s | |
| External | ≤ 1×10-9 std cm3/s | ||
In addition to DQX Series and DPX Series Replaceable-Seat Diaphragm Valves, FITOK offers other types high purity diaphragm valves (DQ, DP, DH, DM, DS, DR, DV, DL, DF, DE, and DK series), along with the atomic layer deposition diaphragm valves ALD series. These products are tailored to meet the exacting demands of fluid system components across industries such as semiconductor manufacturing.
Please see the Replaceable-Seat Diaphragm Valves Catalog for more information. Should you have any questions, please contact us directly and We will reach you soon.
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