SPECIAL WARNINGS!
1. Always maintain a minimum of 5 PSI above the nominal pressure rating to
avoid severe distortion of sprinkler distribution patterns and decreased flow.
2. Remove the MRDC and drain the irrigation system during freezing conditions
to prevent damage to the MRDC and the irrigation system. THIS PRODUCT
IS NOT RECOMMENDED FOR USE IN FREEZING CONDITIONS.
3. Partial plugging of the MRDC inlet can cause severe distortion of distribution
patterns and decreased flow.
4. The maximum inlet pressure is 150 PSI.
5. This product requires flow through it to regulate pressure. IT IS NOT FOR
USE IN CONTINUOUSLY STATIC CONDITIONS.
Nelson Irrigation Corp. 848 Airport Rd. Walla Walla, WA 99362-2271 USA Tel: 509.525.7660 Fax: 509.525.7907 E-mail: [email protected] Web site: www.nelsonirrigation.com
MINI REGULATOR/MINI REGULATOR DRAIN CHECK
8/03
WARRANTY AND DISCLAIMER:
The Nelson Mini Regulator and Mini Regulator Drain Check are warranted for one year from date of original sale to be free of defective materials and
workmanship when used within the working specifications for which the product was designed and under normal use and service. The manufacturer assumes no responsibility for installation,
removal or unauthorized repair of defective parts. The manufacturers liability under this warranty is limited solely to replacement or repair of defective parts and the manufacturer will not
be liable for any crop or other consequential damages resulting from defects or breach of warranty. THIS WARRANTY IS EXPRESSLY IN LIEU OF ALL OTHER WARRANTIES, EXPRESS OR IMPLIED,
INCLUDING THE WARRANTIES OF MERCHANTABILITY AND FITNESS FOR PARTICULAR PURPOSES AND OF ALL OTHER OBLIGATIONS OR LIABILITIES OF MANUFACTURER. No agent, employee
or representative of the manufacturer has authority to waive, alter or add to the provisions of this warranty, nor to make any representations or warranty not contained herein. The Mini Regulator
Drain Check is covered by the following U.S. Patents: 5875815, 5257646, and other pending US and Foreign Patents.
Use the Nelson Pressure Gauge
Tap assembly to check your system
operating pressures at the inlet of
the MRDC.
HOW THE MINI
REGULATOR
(MR)
AND
MINI REGULATOR DRAIN
CHECK
(MRDC)
WORK:
LOW PRESSURE
(neither regulate, the MR is open,
the MRDC is closed to draining)
DRAINING AFTER SHUT OFF
(the MR is open, the MRDC is
closed to draining)
NORMAL PRESSURE
(with adequate pressure
they both regulate)
