SORInc.com | 913-888-2630 | Registered Quality System to ISO 9001
9/16
Form 281 (05.18) ©SOR Inc.
Step 5: Pressure Port
5V1-LA3-N6-C1A-YY
Material Connection Designator
Aluminum Alloy 356
copper-free casting
1/4” NPT(F) B1A
1/2” NPT(F) B2A
316SS CF-8M Casting
1/4” NPT(F) C1A
1/2” NPT(F) C2A
Adjustable Dead Band
Pressure Switches
Step 6: Accessories
5V1-LA3-N6-C1A-YY
Accessory / Option & Description Designator
Wetted parts are cleaned for industrial oxygen service. BB
CSA Certified pressure switch. Available with V1 housing. Housing has earth (ground) lug.
See agency listings on page 10 for details.
CS
Cemented cover gasket on weathertight housing. GC
Universal terminal box, 1/2” NPT(F). 316SS. Explosion proof. FM Approved; CSA Certified.
See form 657 (Catalog GI-30).
HT
Vacuum protector plate retains diaphragm system in the pressure switch if subjected to
intermittent vacuum greater than 10 in Hg. If a pressure switch is subjected to continu-
ous, rapid changes of vacuum, other protection may be available (consult factory). Material
matches or exceeds pressure port material.
MM
Compliance to NACE Certification MR0175/ISO 15156* NC
Pipe (stanchion) mounting kit for (1-1/2” to 2” pipe). Order as a separate line item for CSA
Certified pressure switches.
PK
Tag, fiber. Attached with plastic wire to housing. Stamped with customer-specified tagging
information.
PP
Powder coat epoxy coating. No coating on stainless steel parts or plated screws.
(500 hours-salt spray)
PY
Tag, stainless steel. Attached with stainless steel wire to housing. Stamped with customer
specified tagging information. (2 lines, 18 characters and spaces per line.)
RR
Stainless steel piston and cylinder disc for corrosion resistance. SP
Explosion proof and weathertight electrical junction box with screw terminals. Aluminum
3/4” NPT(F) top or right conduit connections as required. UL Listed and CSA Certified
Class I, Groups A, B, C & D; Class II, Group E, F & G; Division 1 & 2. Includes cover o-ring
for weathertight applications. (V3 housing only.)
TB
Oversize stainless steel nameplate. Permanently attached to housing. Stamped with
customer specified tagging information
TT
Fungicidal varnish. Covers exterior and interior except working parts. VV
Epoxy coating. Exterior only. Polyimide epoxy with 316SS pigment. (200 hours-salt spray) YY
Chained cover with captive screws to conform to former JIC specification ZZ
“X” is used as a suffix to the model number for special requirements not keyed elsewhere in
the model number by an “X”. Each “X” must be completely identified in the text of the order
or inquiry. When more than one “X” is required, use “X” followed by the number of such
items. For example, “X3” means three separate, otherwise unidentifiable requirements.
X
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