What is the diameter of G2-1/2?

2009-10-22View Original

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What is the diameter of G2-1/2?

Reply #22009-10-22

1\" = 33 mm – 1 inch pipe thread; G1/2\" is 4 fractions, with an outer diameter of 20.96 mm, 1 inch per 14 threads. G seems to be the general term for pipe threads; metric threads are indicated by pitch, while American and British threads are indicated by the number of threads per inch – this is their main difference.

Reply #32009-10-22

It’s DN65; it’s generally not used

Reply #42009-10-26

1/2—4 inches DN15 3/4—6 inches DN20 1—1 inch DN25 1 1/2—1 1/2 inches DN40 2—2 inches DN50 2 1/2—2 1/2 inches DN65 3—3 inches DN80

Reply #52009-10-27

G2 means: threaded connection for parallel pipes; 1/2 means DN15

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