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Figure 65SFTRI & 66SFTRI Standard Weight Flexible couplings are designed for use in piping systems where flexibility is desired. They allow for pipe movement caused by seismic action and thermal variations, and will also attenuate noise & vibration transmitted through the piping system.
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Unit of Measure
Items
65_66sf

66SFTRI 1-1/4 STD FLEX CPLG GALV TRISL
65_66sf

65SFTRI 1-1/2 STD FLEX CPLG GRV TRISL
65_66sf

66SFTRI 1-1/2 STD FLEX CPLG GALV TRISL
65_66sf

65SFTRI 2 STD FLEX CPLG GRV TRISL
65_66sf

66SFTRI 2 STD FLEX CPLG GALV TRISL
Industry Standards/Certifications N/A NSF/ANSI 61
Type N/A Standard Weight Flexible Coupling
Style N/A Grooved
Nominal Size N/A 1 1/4 in N/A 1 1/2 in N/A 1 1/2 in N/A 2 in N/A 2 in
Housing Material N/A Ductile Iron conforming to ASTM A 536, Grade 65-45-12
Coatings N/A Hot dipped galvanized conforming to ASTM A-153 N/A Orange Paint (rust inhibiting) N/A Hot dipped galvanized conforming to ASTM A-153 N/A Orange Paint (rust inhibiting) N/A Hot dipped galvanized conforming to ASTM A-153
Gasket Material N/A EPDM
Gasket Type N/A Triple Seal Gasket
Bolt Material N/A Zinc Electroplated to ASTM-183 Grade 2
Heavy Hex Nut N/A Carbon Steel conforming to ASTM A-563
Application N/A For use with water service, diluted acids, alkali solutions, oil-free air and other chemical services. NOT FOR PETROLEUM, STEAM, OR NATURAL GAS APPLICATIONS.
Min. Service Temperature Range N/A -30 ºF
Max. Service Temperature Range N/A 230 ºF
Max. Working Pressure N/A 1000 psi
Max. End Gap N/A 1/8 in
Deflection from CL Per Coupling N/A 2.1° N/A 1.9° N/A 1.9° N/A 2.0° N/A 2.0°
Number of Sections N/A 2
Product Number N/A 4329002800 N/A 4329004000 N/A 4329002810 N/A 4329000500 N/A 4329002820
UPC Code N/A 092201408914 N/A 092201408549 N/A 092201408921 N/A 092201408556 N/A 092201408938
HPH Code N/A
Weight N/A 2.2 lb N/A 2.3 lb N/A 2.3 lb N/A 2.49 lb N/A 2.49 lb