The JCM 474 Fabricated Mechanical Joint Tapping Sleeve combines the high strength and versatility of fabricated steel with the traditional side and end gasketed mechanical joint design. These sleeves are ideal for potential problem installations where strength, weight and beam load considerations are critical.
MATERIAL SPECIFICATIONS – JCM 474 MECHANICAL JOINT TAPPING SLEEVE
Body: ASTM 283, ASTM 285 Grade C, ASTM A516 Grade 70 Steel or equal
Bolts: Corrosion resistant, high strength low alloy ASTM A242, A193 B5, B7. Optional A193 B8 304 stainless steel or 315 stainless steel.
Gasket: Nitrile Butadiene Rubber (NBR, Buna-N) per ASTM D2000. Molded with virgin rubber with a pressure activated hydromechanical design. Gasket is bonded into a cavity for internal and external retention.
Gasket temperature range -40°F to 212°F (-40°C – 100°C). Gasket suitable for water, salt solutions, mild acids, bases and sewage. Optional gasket materials available.
Finish: Heavy coat of corrosion resistant metal primer.
Optional Fusion Epoxy Coating available.
Standard Flange: ASME/ANSI B16.5 Class 150, 300, ASTM A105.
Design code and NDE specifications upon request. JCM Fabricated Tapping Sleeves can be manufactured
in a variety of styles and configurations including offset outlets, tapping crosses and other designs to best fit your needs. Contact Pacific Flow Control for design requests.
