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SpiroNat


Gasket Dimensions:

ASME B16.20   
B16.47 Series A (MSS-SP44)
B16.47 Series B (API 605) 
Class 75-350   
XR-RJ (RTJ)   
Large Male Female

Large and Small Tongue-and-groove



Inner Ring Dimensions:

ASME B16.20       
Large Diameter Series A & B

Style and Color Code       
Temperature Limits

Weight
Tolerance Table