Series “CKD” Compact Diaphragm Check Valves
Designed To Prevent Reverse Flow of Extremely Corrosive and Ultra-Pure Liquids
Sizes 1/4″ and 1/2″
Made in USA. brand PLAST-O-MATIC, model CKD
International delivery to Europe, Asia and Africa.
Our warehouses are located in the UK, UAE and Senegal.
price by request
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A specialty diaphragm check valve that opens with virtually no forward pressure. However, Series CKD requires a minimum back pressure of 1/2 PSI to close. When inlet pressure is sensed the sealing disc is pushed off the valve seat opening the valve. In this position the sealing disc is supported internally allowing the valve to operate under high flow conditions with relatively no force or stress on the disc.
1/4″ and 1/2″ sizes in PVC, Natural Polypro, PTFE or PVDF.
OPERATION:
The “CKD” Check Valves utilize a flexible elastomer disc for their sealing action. This sensitive disc offers very low pressure sealing. In addition, the disc requires extremely minimal pressure to move to the open position. Since these sealing discs are self-centering, they seal in the identical position every time, allowing more reliable sealing and prolonged life. The elastomer disc is kept clean by the constant flushing action of the inlet flow, keeping the sealing area free of particles which otherwise might cause leakage.
The minimum back pressure required to close Series “CKD” is 1/2 PSI.
When inlet pressure is sensed the sealing disc is pushed off the valve seat opening the valve. In this position the sealing disc is supported internally allowing the valve to operate under high flow conditions with relatively no force or stress on the disc.
| PIPE SIZE (NPT) | MAX. PSI @ 75°F | MAXIMUM TEMP. RATING °F (°C) | MATERIAL | MODEL NUMBERS |
|---|---|---|---|---|
| 1/4″ | 140 | 140°F (60°C) | PVC | CKD025V-PV |
| 125 | 180°F (82°C) | POLYPRO | CKD025V-PP | |
| 100 | 280°F (138°C) | PVDF | CKD025V-PF | |
| 100 | 300°F (149°C) | TEFLON | CKD025V-TF | |
| 1/2″ | 140 | 140°F (60°C) | PVC | CKD050V-PV |
| 125 | 180°F (82°C) | POLYPRO | CKD050V-PP | |
| 100 | 280°F (138°C) | PVDF | CKD050V-PF | |
| 100 | 300°F (149°C) | TEFLON | CKD050V-TF |
You can request the necessary certificates, documentation, instructions and user manuals for PLAST-O-MATIC CKD using the special form.
You can buy PLAST-O-MATIC CKD in UK or Europe at a favourable price in «DOLCHETRADE» by leaving a request on the website, by phone +441225535040 or by email dolce@dolcetrade.com. PLAST-O-MATIC CKD price are subject to change depending on exchange rates. We deliver instruments by transport companies in the United Kingdom and Europe.
See also: Check Valves, Valves & Fitting
