Parameter

Details

Operating Temperature Range

> 0 to 40 °C / > 32 to 104 °F (Must not be exposed to freezing conditions)

Temperature Range for Transportation and Storage

Preferred range 5 to 25 °C / 41 to 77 °F
Allowable range > 0 to 40 °C / > 32 to 104 °F
(shipment/storage in a temperature controlled container (or reefer) at 20 °C / 68 °F recommended).
Modules must not be exposed to freezing conditions and must remain moist at all times.

Typical Feed pH Range

6.0 – 9.0 pH ^{Note ii}

Allowable pH Range for Cleaning

2.0 – 10.5 pH typical ^{Note iii}

Typical Maximum Recommended Trans-Membrane Pressure (TMP) in Filtration (Pressurized Systems)

140 kPa / 20 psi ^{Note iv}

Maximum Allowable TMP at any time

± 150 kPa / ± 22 psi

Typical chlorine concentration during cleaning (MW or CIP)

50 – 200 mg/L @ 25 °C / 50 – 200 ppm @ 77 °F ^{Note v}

Maximum chlorine concentration during cleaning

1000 mg/L @ 25 °C / 1000 ppm @ 77 °F ^{Note v}

Maximum exposure to chlorine in feed or during storage

< 1 mg/L average, < 5 mg/L maximum, pH > 6.0
< 1 ppm average, < 5 ppm maximum, pH > 6.0 ^{Note v}

Maximum total chlorine exposure

1,000,000 mg.h/L @ 25 °C / 1,000,000 ppm.h @ 77 °F ^{Note v}

Maximum exposure to chloramines in feed or during storage

< 2.5 mg/L average, < 5 mg/L maximum, pH > 6.5
< 2.5 ppm average, < 5 ppm maximum, pH > 6.5 500,000 mg.h/L / 500,000 ppm.h ^{Note v}