USER RESPONSIBILITY
This equipment will perform in conformity with the description contained in
this manual and accompanying labels and/or inserts when installed, operated,
maintained, and repaired in accordance with the instructions provided. This
equipment must be checked periodically. Improperly working equipment
should not be used. Parts that are broken, missing, worn, distorted or
contaminated, should be replaced immediately. CONCOA recommends
that a telephone or written request for service advice be made to CONCOA
Customer Service in Virginia Beach, Virginia, PHONE: 1-800-225-0473,
FAX: 1-757-422-3125, or E-MAIL: [email protected].
This equipment or any of its parts should not be altered without prior
written approval by CONCOA. The user of this equipment shall have the
sole responsibility for any malfunction that results from improper use, faulty
maintenance, damage, improper repair, or alteration by anyone other than
CONCOA or a service facility designated by CONCOA.
CUSTOMER SERVICE
In the event of equipment failure, call CONCOA Customer Service. Please
be prepared to provide the model number and serial number of the equipment
involved, in addition to some details regarding its application.
CAUTION
1. Shut down gas supply, drain gas from relief valve and system before
any maintenance is performed.
2. When using a vise or wrench on the valve, use only enough torque
to hold or move the part. Be careful not to score or distort the body,
threads, or other parts.
3. For replacement parts, use only those CONCOA parts designed for
this relief valve.
INTRODUCTION
The CONCOA 9400 series brass high-flow relief valves in Figure 1 are
designed to be field adjustable and offer zero leakage up to 98% of the
nominal set pressure. The O-ring seal is encapsulated to prevent seat
extrusion due to cold flow characteristics. The in-line design offers ½” male
NPT inlet and ½” female NPT outlet for both the 9412 and 9413. The 9414
offers ¼” male NPT inlet and ½” female NPT outlet. Please refer to Table 1,
for material, pressure range and flow data.
Содержание 830-9412
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