ꯑꯌꯥꯝꯕꯥ ꯃꯇꯃꯗꯥ “ꯗꯤ.ꯑꯦꯟ.”ꯒꯤ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯅꯁꯤꯡꯒꯤ ꯃꯔꯛꯇꯥ ꯂꯩꯔꯤꯕꯥ ꯃꯔꯤ ꯑꯁꯤ ꯈꯉꯕꯥ ꯉꯃꯗꯕꯥ ꯃꯔꯨꯄꯁꯤꯡ ꯂꯩ, “Φ" ꯑꯃꯁꯨꯡ """. ꯉꯁꯤ ꯑꯩꯍꯥꯛꯅꯥ ꯑꯗꯣꯃꯒꯤꯗꯃꯛ ꯑꯍꯨꯝ ꯑꯁꯤꯒꯤ ꯃꯔꯛꯇꯥ ꯂꯩꯔꯤꯕꯥ ꯃꯔꯤ ꯑꯗꯨ ꯁꯃꯖꯤꯟꯅꯍꯅꯒꯅꯤ, ꯑꯗꯣꯃꯒꯤ ꯃꯇꯦꯡ ꯄꯥꯡꯒꯅꯤ ꯍꯥꯌꯅꯥ ꯑꯥꯁꯥ ꯇꯧꯔꯤ!
ꯏꯟꯆꯤ ꯑꯃꯥ ꯍꯥꯌꯕꯁꯤ ꯀꯔꯤꯅꯣ”
ꯏꯟꯆꯤ (“) ꯑꯁꯤ ꯑꯃꯦꯔꯤꯀꯥꯒꯤ ꯁꯤꯁ꯭ꯇꯦꯃꯗꯥ ꯃꯍꯧꯁꯥꯅꯥ ꯁꯤꯖꯤꯟꯅꯕꯥ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯟ ꯌꯨꯅꯤꯠ ꯑꯃꯅꯤ, ꯃꯗꯨꯗꯤ ꯁ꯭ꯇꯤꯜ ꯄꯥꯏꯄꯁꯤꯡ,ꯚꯜꯌꯨꯁꯤꯡ ꯌꯥꯑꯣꯔꯤ꯫, ꯐ꯭ꯂꯦꯡꯖ, ꯑꯦꯂꯕꯣ, ꯄꯝꯄ, ꯇꯤ, ꯑꯁꯤꯅꯆꯤꯡꯕꯥ, ꯍꯥꯌꯕꯗꯤ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯟ ꯑꯁꯤ ꯱꯰′′ꯅꯤ꯫
ꯏꯟꯆꯤ (inch, abbreviated as in.) ꯍꯥꯌꯕꯁꯤ ꯗꯆ꯭ꯁꯇꯥ ꯊꯨꯝ ꯍꯥꯌꯕꯅꯤ, ꯑꯃꯁꯨꯡ ꯏꯟꯆꯤ ꯍꯥꯌꯕꯁꯤ ꯊꯨꯝ ꯑꯃꯒꯤ ꯂꯝꯕꯤꯅꯤ꯫ ꯇꯁꯦꯡꯕꯗꯤ, ꯈꯣꯡꯎꯄꯀꯤ ꯂꯝꯕꯤ ꯑꯁꯤꯁꯨ ꯇꯣꯉꯥꯜꯂꯤ꯫ ꯱꯴ꯁꯨꯕꯥ ꯆꯍꯤꯆꯥꯗꯥ ꯅꯤꯡꯊꯧ ꯑꯦꯗꯑꯣꯌꯥꯔꯗ ꯑꯅꯤꯅꯥ “ꯁ꯭ꯇꯦꯟꯗꯔꯗ ꯂꯤꯒꯦꯜ ꯏꯟꯆꯤ” ꯂꯥꯎꯊꯣꯀꯈꯤ꯫ ꯋꯥꯐꯝ ꯑꯁꯤꯗꯤ ꯕꯥꯔꯂꯤꯒꯤ ꯀꯥꯡꯒꯤ ꯃꯔꯛꯇꯒꯤ ꯈꯅꯒꯠꯂꯕꯥ ꯑꯃꯁꯨꯡ ꯃꯊꯪ ꯃꯊꯪ ꯁꯦꯃꯖꯤꯟ ꯁꯥꯖꯤꯅꯈꯤꯕꯥ ꯈ꯭ꯕꯥꯏꯗꯒꯤ ꯆꯥꯎꯕꯥ ꯆꯦꯡ ꯑꯍꯨꯃꯒꯤ ꯂꯝꯕꯤ ꯑꯁꯤ ꯏꯟꯆꯤ ꯑꯃꯅꯤ꯫
ꯃꯍꯧꯁꯥꯅꯥ 1′′=2.54cm=25.4mm ꯑꯣꯏ꯫
ꯗꯤ.ꯑꯦꯟ. ꯍꯥꯌꯕꯁꯤ ꯀꯔꯤꯅꯣ꯫
ꯗꯤ.ꯑꯦꯟ.ꯅꯥ ꯆꯥꯏꯅꯥ ꯑꯃꯁꯨꯡ ꯌꯨꯔꯣꯄꯤꯌꯟ ꯁꯤꯁ꯭ꯇꯦꯃꯁꯤꯡꯗꯥ ꯃꯍꯧꯁꯥꯅꯥ ꯁꯤꯖꯤꯟꯅꯕꯥ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯟ ꯌꯨꯅꯤꯠ ꯑꯃꯅꯤ, ꯑꯃꯁꯨꯡ ꯃꯁꯤꯅꯥ ꯄꯥꯏꯄꯁꯤꯡ ꯃꯥꯔꯛ ꯇꯧꯕꯒꯤ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯟꯁꯨ ꯑꯣꯏꯔꯤ,ꯚꯜꯌꯨꯁꯤꯡ ꯌꯥꯑꯣꯔꯤ꯫, ꯐ꯭ꯂꯦꯡꯁꯤꯡ, ꯐꯤꯇꯤꯡꯁꯤꯡ, ꯑꯃꯁꯨꯡ ꯄꯝꯄꯁꯤꯡ, ꯃꯈꯣꯌꯁꯤꯡ ꯑꯗꯨꯗꯤꯗꯤ.ꯑꯦꯟ.꯲꯵꯰ ꯑꯃꯁꯨꯡ ꯑꯦꯟ.
DN ꯍꯥꯌꯕꯁꯤꯅꯥ ꯄꯥꯏꯄꯀꯤ ꯅꯣꯃꯤꯅꯦꯜ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ (ꯅꯣꯃꯤꯅꯦꯜ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯍꯥꯌꯅꯥ ꯈꯪꯅꯕꯥ) ꯑꯗꯨꯕꯨ ꯈꯪꯅꯩ, ꯅꯣꯠ ꯇꯧꯕꯤꯌꯨ: ꯃꯁꯤ ꯃꯄꯥꯅꯒꯤ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯅꯠꯠꯔꯒꯥ ꯃꯅꯨꯡꯒꯤ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯅꯠꯇꯦ, ꯑꯗꯨꯕꯨ ꯃꯄꯥꯅꯒꯤ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯑꯃꯁꯨꯡ ꯃꯅꯨꯡꯒꯤ ꯗꯥꯏꯑꯦꯃꯤꯇꯔꯒꯤ ꯆꯥꯡꯆꯠꯇꯥ ꯑꯣꯏꯕꯥ, ꯆꯥꯡꯆꯠꯇꯥ ꯅꯨꯡꯒꯤ ꯑꯣꯏꯕꯥ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯍꯥꯌꯅꯥ ꯀꯧꯏ꯫
ꯀꯔꯤꯅꯣΦ
Φ ꯑꯁꯤ ꯀꯃꯟ ꯌꯨꯅꯤꯠ ꯑꯃꯅꯤ, ꯃꯁꯤꯅꯥ ꯄꯥꯏꯄꯁꯤꯡ, ꯅꯠꯠꯔꯒꯥ ꯑꯦꯂꯕꯣꯁꯤꯡ, ꯒꯣꯜꯗ ꯁ꯭ꯇꯤꯜ ꯑꯃꯁꯨꯡ ꯑꯇꯩ ꯃꯆꯥꯀꯁꯤꯡꯒꯤ ꯃꯄꯥꯅꯒꯤ ꯗꯥꯏꯑꯦꯃꯤꯇꯔ ꯑꯗꯨꯕꯨ ꯈꯪꯅꯩ꯫
ꯑꯗꯨꯅꯥ ꯃꯈꯣꯌꯒꯤ ꯃꯔꯛꯇꯥ ꯀꯔꯤ ꯃꯔꯤ ꯂꯩꯅꯕꯒꯦ?
ꯑꯍꯥꯅꯕꯗꯥ, “”" ꯑꯃꯁꯨꯡ “DN”ꯅꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯥ ꯑꯔꯊꯁꯤꯡ ꯑꯁꯤ ꯆꯥꯎꯔꯥꯛꯅꯥ ꯃꯥꯟꯅꯩ꯫ꯃꯈꯣꯌꯅꯥ ꯃꯔꯨꯑꯣꯏꯅꯥ ꯅꯣꯃꯤꯅꯦꯜ ꯗꯥꯏꯑꯦꯃꯤꯇꯔꯕꯨ ꯈꯪꯅꯩ, ꯃꯁꯤꯅꯥ ꯁ꯭ꯄꯦꯁꯤꯐꯤꯀꯦꯁꯟ ꯑꯁꯤꯒꯤ ꯁꯥꯏꯖ ꯑꯗꯨ ꯇꯥꯀꯏ, ꯑꯃꯁꯨꯡ...Φ ꯍꯥꯌꯕꯁꯤ ꯑꯅꯤꯁꯤꯒꯤ ꯃꯔꯛꯇꯥ ꯄꯨꯟꯅꯥ ꯆꯠꯃꯤꯟꯅꯕꯅꯤ꯫
ꯈꯨꯗꯝ ꯑꯣꯏꯅ
ꯈꯨꯗꯝ ꯑꯣꯏꯅꯥ, ꯀꯔꯤꯒꯨꯝꯕꯥ ꯁ꯭ꯇꯤꯜ ꯄꯥꯏꯞ ꯑꯃꯅꯥ DN600 ꯑꯣꯏꯔꯕꯗꯤ, ꯀꯔꯤꯒꯨꯝꯕꯥ ꯆꯞ ꯃꯥꯟꯅꯕꯥ ꯁ꯭ꯇꯤꯜ ꯄꯥꯏꯞ ꯑꯗꯨ ꯏꯟꯆꯤꯗꯥ ꯃꯥꯔꯛ ꯇꯧꯔꯕꯗꯤ, ꯃꯗꯨ 24′′ ꯑꯣꯏꯔꯀꯏ꯫ ꯑꯅꯤꯁꯤꯒꯤ ꯃꯔꯛꯇꯥ ꯀꯔꯤꯒꯨꯝꯕꯥ ꯃꯔꯤ ꯑꯃꯥ ꯂꯩꯕꯔꯥ?
ꯃꯁꯤꯒꯤ ꯄꯥꯎꯈꯨꯃꯗꯤ ꯍꯣꯌ! ꯖꯦꯅꯦꯔꯦꯜ ꯏꯟꯆꯤ ꯑꯁꯤ ꯏꯟꯇꯤꯖꯔ ꯑꯃꯅꯤ ꯑꯃꯁꯨꯡ ꯍꯀꯊꯦꯡꯅꯅꯥ 25 ꯏꯀꯨꯏꯂꯁ DNꯅꯥ ꯃꯁꯤꯡ ꯌꯥꯃꯍꯅꯕꯥ, ꯍꯥꯌꯕꯗꯤ 1′′*25=DN25, 2′′*25=50, 4′′*25=DN100, ꯑꯁꯤꯅꯆꯤꯡꯕꯥ ꯇꯁꯦꯡꯕꯗꯤ, ꯇꯣꯉꯥꯟ-ꯇꯣꯉꯥꯅꯕꯥ ꯂꯩ ꯍꯥꯌꯕꯗꯤ 3′′*25=75 ꯔꯥꯎꯟꯗꯤꯡ ꯑꯁꯤ DN80ꯅꯤ, ꯑꯃꯁꯨꯡ ꯁꯦꯃꯤꯀꯣꯂꯣꯟ ꯅꯠꯠꯔꯒꯥ ꯗꯦꯁꯤꯃꯦꯜ ꯄꯣꯏꯟꯇ ꯂꯩꯕꯥ ꯏꯟꯆꯤ ꯈꯔꯗꯤ ꯂꯩ꯫ 1/2′′, 3/4′′, 1-1/4′′, 1-1/2′′, 2-1/2′′, 3-1/ 2′′ ꯑꯁꯤꯅꯆꯤꯡꯕꯥ, ꯍꯥꯌꯔꯤꯕꯁꯤꯡ ꯑꯁꯤ ꯑꯁꯨꯝꯅꯥ ꯂꯦꯄꯊꯣꯀꯄꯥ ꯉꯃꯗꯦ, ꯑꯗꯨꯕꯨ ꯍꯤꯁꯥꯕ ꯑꯁꯤꯗꯤ ꯆꯥꯎꯔꯥꯛꯅꯥ ꯃꯥꯟꯅꯩ, ꯃꯔꯨꯑꯣꯏꯅꯥ ꯑꯀꯛꯅꯕꯥ ꯚꯦꯜꯌꯨ ꯑꯗꯨ:
꯱/꯲′′=ꯗꯤ.ꯑꯦꯟ.꯱꯵ ꯑꯣꯏꯒꯅꯤ꯫
꯳/꯴′′=ꯗꯤ.ꯑꯦꯟ.꯲꯰ ꯑꯣꯏꯒꯅꯤ꯫
꯱-꯱/꯴′′=ꯗꯤ.ꯑꯦꯟ.꯳꯲ ꯑꯣꯏꯒꯅꯤ꯫
꯱-꯱/꯲′′=ꯗꯤ.ꯑꯦꯟ.꯴꯰ ꯑꯣꯏꯒꯅꯤ꯫
꯲′′=ꯗꯤ.ꯑꯦꯟ.꯵꯰ ꯑꯣꯏꯒꯅꯤ꯫
꯲-꯱/꯲′′=ꯗꯤ.ꯑꯦꯟ.꯶꯵ ꯑꯣꯏꯒꯅꯤ꯫
꯳′′=ꯗꯤ.ꯑꯦꯟ.꯸꯰ ꯑꯣꯏꯒꯅꯤ꯫
ꯄꯣꯁ꯭ꯇꯀꯤ ꯃꯇꯝ: ꯐꯦꯕ꯭ꯔꯨꯋꯥꯔꯤ-꯰꯳-꯲꯰꯲꯳꯫
